A.01.13_Transformer_Supply_Contract_Drawings.pdf
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PROJECT PHOTO
LOCAL VICINITY MAP
PROJECT SITE MAP
LOCATION
PROJECT OF ENGINEERS
US ARMY CORPS
U .S
A R
M Y C
O R
P S O
F E
N G
IN
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R S
P O
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PORTLAND DISTRICT
S
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P L
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T H
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A L L E
S L
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K A
N D D
A M
GSU TRANSFORMER SUPPLY
THE DALLES LOCK AND DAM
W
N -1
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P L
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C A
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C O
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R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
D R
A W
IN
G N
U M
B E
R of Engineers
US Army Corps
P L
O T D
A T
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54321
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S p a c e \p ro je c ts \L o c a l R e s o u rc e
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N F
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BORDER VERSION UPDATE [09-2012]
G-001SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:00:10 AM
D R
A W
N B
Y
C H
E C
K E
D B
Y
OREGON
WASHINGTON
LONGVIEW
VANCOUVER
ASTORIA
PORTLAND
SALEM
INTERSTATE
INTERSTATE
INTERSTATE
W I L
L A
M E
T T
E
R E
V I
R
HOOD RIVER
THE DALLES
COLUMBIA RIVER
L O
C K A
N D D
A M
J O
H N D
A Y
L O
C K A
N D D
A M
T H
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A L
L E
S
L O
C K A
N D D
A M
B O
N N
E V
IL
L E
MILES
0 10 20 30 40 50
NAVIGATION
BUILDING
ADMINISTRATION
ACCESS ROAD
POWERHOUSE
SPILLWAY
F L O
W
184.9 bb q bb q bb q bb q bb q
184.9 bb q bb q bb q bb q bb q a re a
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INTERSTATE
D A
L L E S P O
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TO THE DALLES
T O B
IG
G S
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N C T
IO
N
WASHINGTON
LOCK
OREGON
ISLANDS
BRIDGE
ISLAND
BRZ
POWERHOUSE
PO
W
ER
H
O U
SE
LAKE CELILO
NON-OVERFLOW DAM
RIVER
COLUMBIA
W A
SC
O C
O
K
LI
C K
IT
A T C
O
ACCESS
CONTRACTOR
0 800400
FEET
THE DALLES PROJECT SITE MAP
U .S
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P S O
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IN
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G-002
TITLE
NO.
SHEET
CADD FILE NAMEFILE NUMBER TITLE
NO.
SHEET
CONTRACT DRAWINGS
INDEX TO DRAWINGS
GENERAL
REFERENCE DRAWINGS
DRAWING NUMBER
I-003
I-002
I-001
115 KV EQUIPMMENT MATERIAL AND DETAILS (T2 RIGID BUS SCHEMATIC MATERIAL LIST)
115 KV EQUIPMENT INSTALLATION (T2 RIGID BUS SCHEMATIC)
MANUFACTURER TX LAYOUT AND DIMENSIONS
DDP-1.3-6-1A5_4.TIF
DDP-1.3-6-1A5_2.TIF
3841.DGN
230 KV SINGLE PHASE
I-005
I-004
DDP-1.3-6-1A5_4.TIF
DDP-1.3-6-1A5_3.TIF
115 & 230 KV EQUIPMENT MATERIAL & DETAILS
230 KV EQUIPMENT INSTALLATION
3921C642 LV BUSHING CONNECTORI-006
CONNECTOR.PDF
3921C642 LV BUSHING
115KV SINGLE PHASE
T8 230 KV THREE PHASE
A N
S I
D
E-001
STRUCTURAL
NOTES AND LEGEND
ELECTRICAL GENERAL
ELECTRICAL TRANSFORMER LAYOUTS
ELECTRICAL - CONTROL SHEMATICS AND PLANT INTERFACE
E-206
E-205
E-204
E-203
E-202
E-201
THREE PHASE TRANSFORMER PLANT CONTROL CONNECTIONS TO PLANT
THREE PHASE 125 VDC ANNUNCIATION/CONTROL SCHEMATIC DIAGRAMS
THREE PHASE 480 VAC AND 120 VAC COOLING/CONTROL SCHEMATIC DIAGRAMS
SINGLE PHASE TRANSFORMER PLANT CONTROL CONNECTIONS TO PLANT
SINGLE PHASE 125 VDC ANNUNCIATION/CONTROL SCHEMATIC DIAGRAMS
SINGLE PHASE 480 VAC AND 120 VAC COOLING/CONTROL SCHEMATIC DIAGRAMS
ELECTRICAL - THERMAL MONITORING
E-304
E-303
E-302
E-301
CONDUIT ENTRY CABINET CONSTRUCTION
POWER CABINET LAYOUT
CONTROL CABINET LAYOUT
CONTROL CABINET CONSTRUCTION
MISCELLANEOUS DETAILS
E-405
E-404
E-403
E-402
E-401
ELECTRICAL - CONSTRUCTION DETAILS
DDP1.111_E-001XXX.DGN
DDP1.111_E-206XXX.DGN
DDP1.111_E-205XXX.DGN
DDP1.111_E-204XXX.DGN
DDP1.111_E-203XXX.DGN
DDP1.111_E-202XXX.DGN
DDP1.111_E-201XXX.DGN
DDP1.111_E-304XXX.DGN
DDP1.111_E-303XXX.DGN
DDP1.111_E-302XXX.DGN
DDP1.111_E-301XXX.DGN
DDP1.111_E-405XXX.DGN
DDP1.111_E-404XXX.DGN
DDP1.111_E-403XXX.DGN
DDP1.111_E-402XXX.DGN
DDP1.111_E-401XXX.DGN
THREE PHASE ELECTRONIC TEMPERATURE MONITORING COMPONENTS
THREE PHASE FIBER OPTIC TEMPERATURE SYSTEM
SINGLE PHASE ELECTRONIC TEMPERATURE MONITORING COMPONENTS
SINGLE PHASE FIBER OPTIC TEMPERATURE SYSTEM
DDP-1.111-6-0/1
DDP-1.111-6-0/12
DDP-1.111-6-0/11
DDP-1.111-6-0/10
DDP-1.111-6-0/9
DDP-1.111-6-0/8
DDP-1.111-6-0/7
DDP-1.111-6-0/16
DDP-1.111-6-0/15
DDP-1.111-6-0/14
DDP-1.111-6-0/13
DDP-1.111-6-0/21
DDP-1.111-6-0/20
DDP-1.111-6-0/19
DDP-1.111-6-0/18
DDP-1.111-6-0/17
S-103
S-102
S-101
DDP-1.111-5-0/3
DDP-1.111-5-0/2
DDP-1.111-5-0/1
DDP1.111_S-103XXX.DGN
DDP1.111_S-102XXX.DGN
DDP1.111_S-101XXX.DGN
TRANSFORMER VAULTS EL 185.00
TRANSFORMER TRANSPORT PATH INTAKE DECK EL 185.00
SEISMIC ANCHORING BRACKETS
E-104
E-103
E-102
E-101
DDP-1.111-6-0/5
DDP-1.111-6-0/4
DDP-1.111-6-0/3
DDP-1.111-6-0/2
DDP1.111_E-104XXX.DGN
DDP1.111_E-103XXX.DGN
DDP1.111_E-102XXX.DGN
DDP1.111_E-101XXX.DGN
TRANSFORMER T8 LIMITING DIMENSIONS
TRANSFORMER T8 LAYOUT
TRANSFORMER BANKS T3 AND T5 - T7 LAYOUT AND LIMITING DIMENSIONS
TRANSFORMER BANK T1 LAYOUT AND LIMITING DIMENSIONS
G-008
G-007
G-006
G-005
G-004
G-003
G-002
G-001
DDP-1.111-0-0/8
DDP-1.111-0-0/7
DDP-1.111-0-0/6
DDP-1.111-0-0/5
DDP-1.111-0-0/4
DDP-1.111-0-0/3
DDP-1.111-0-0/2
DDP-1.111-0-0/1
DDP1.111-G-008XXX.DGN
DDP1.111_G-007XXX.DGN
DDP1.111_G-006XXX.DGN
DDP1.111_G-005XXX.DGN
DDP1.111_G-004XXX.DGN
DDP1.111_G-003XXX.DGN
DDP1.111_G-002XXX.DGN
DDP1.111_G-001XXX.DGN
REQUIREMENTS SUMMARY SHEET 4
REQUIREMENTS SUMMARY SHEET 3
REQUIREMENTS SUMMARY SHEET 2
REQUIREMENTS SUMMARY SHEET 1
GENERAL NOTES
SITE PLAN
INDEX OF DRAWINGS
PROJECT LOCATION AND VICINITY MAPS
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S U
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D B
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P L
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C A
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C O
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R A
C T N
O
IDENTIFICATION
SHEET
D A
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A P
P R
D R
A W
IN
G N
U M
B E
R of Engineers
US Army Corps
P L
O T D
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54321
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S p a c e \p ro je c ts \L o c a l R e s o u rc e
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BORDER VERSION UPDATE [09-2012]
G-002SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:00:24 AM
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G-003
F L O
W
F L O
W
N
LONG-TERM STORAGE AREA.
SPARE TRANSFORMER
APPROXIMATE LOCATION OF
POWERHOUSE
ACCESS ROAD
POWERHOUSE
EXISTING 115 KV
SINGLE PHASE T1
TRANSFORMER BANK
EXISTING 230 KV
SINGLE PHASE T3
TRANSFORMER BANK
EXISTING 230 KV
SINGLE PHASE T5
TRANSFORMER BANK
EXISTING 230 KV
SINGLE PHASE T6
TRANSFORMER BANK
EXISTING 230 KV
SINGLE PHASE T7
TRANSFORMER BANK
A N
S I
D
EXISTING 230 KV
THREE PHASE T8
TRANSFORMER
S
IT
E P
L
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IC
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N N
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S U
B M
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D B
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P L
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C A
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C O
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R A
C T N
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IDENTIFICATION
SHEET
D A
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A P
P R
D R
A W
IN
G N
U M
B E
R of Engineers
US Army Corps
P L
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54321
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D E
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N F
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BORDER VERSION UPDATE [09-2012]
G-003SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:00:35 AM
D R
A W
N B
Y
C H
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K E
D B
P .1
G -0
X X
X .d g n
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PORTLAND DISTRICT
S T
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IA
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IV
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A G
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D C
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G-004
G E
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NOTES:
THREE-PHASE TRANSFORMERS SINGLE-PHASE TRANSFORMERS
HIGH VOLTAGE
230KV L-L BANK NOMINAL
HIGH VOLTAGE
230KV L-L BANK NOMINAL
HIGH VOLTAGE
115KV L-L BANK NOMINAL
TRANSFORMER BANK T5
TRANSFORMER BANK T6
TRANSFORMER BANK T7
TRANSFORMER BANK T1TRANSFORMER T8
SINGLE-PHASE CLASS II GSU DESIGN
ONAN/ONAF/ONAF
45,000/60,000/75,000 KVA
13,200V DELTA (X)
115,000 GRDY/66,395V (H)
THREE TRANSFORMERS
THREE-PHASE CLASS II GSU DESIGN
ODAF/ODAF
175,000/233,000 KVA
13,200V DELTA (X)
230,000 V GRDY(H)
ONE TRANSFORMER
/0
/2
G S
U T
R A
N S
F O
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E R S
U P
P L
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T H
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A L L E
S L
O C
K A
N D D
A M
SHALL GOVERN.
DETAILED LANGUAGE OF THE SPECIFICATIONS
5. IF A CONFLICT EXISTS IN THESE DRAWINGS, THE
SINGLE-PHASE TRANSFORMERS.
CONSTRUCTED IN THE SAME MANNER FOR ALL 18
EXAMPLE, SINGLE-PHASE CABINETS SHOULD BE
SINGLE-PHASE AND THEN DESIGN CLASS. FOR
ARRANGED ACCORDING TO THREE-PHASE VERSUS
4. IN THIS DRAWING SET, COMMON FEATURES ARE
THREE TRANSFORMERS EACH.
OTHER BANKS ARE SINGLE-PHASE BANKS WITH
3. BANK T8 IS A THREE-PHASE TRANSFORMER, ALL
(12 UNITS), AND BANK T8 (1 UNIT).
(THREE UNITS),BANKS T3, T5, T6 AND T7
DESIGNS IN THIS CONTRACT. BANK T1
2. THERE ARE THREE DIFFERENT TRANSFORMER
TRANSFORMERS TO THE DALLES LOCK AND DAM.
1. THIS CONTRACT IS FOR SUPPLY OF 16
TRANSFORMER BANK T3
SINGLE-PHASE CLASS II GSU DESIGN
ONAN/ONAF/ONAF
37,800/50,400/63,000 KVA
13,200V DELTA(X)
230,000 GRDY/132,800V (H)
NINE TRANSFORMERS
SINGLE-PHASE CLASS II GSU DESIGN
ONAN/ONAF/ONAF
45,000/60,000/75,000 KVA
13,200V DELTA (X)
230,000 GRDY/132,800V (H)
THREE TRANSFORMERS
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P L
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IDENTIFICATION
SHEET
D A
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A P
P R
D R
A W
IN
G N
U M
B E
R of Engineers
US Army Corps
P L
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S p a c e \p ro je c ts \L o c a l R e s o u rc e
D E
S
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N F
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E
BORDER VERSION UPDATE [09-2012]
G-004SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:00:46 AM
D R
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U .S
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P S O
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PORTLAND DISTRICT
S T
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M
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E S P .E
P O
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R H
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C O
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M B
IA
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R A
N D W
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D C
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A N
S I
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G S
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F O
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P L
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T H
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A L L E
S L
O C
K A
N D D
A M
G-005
(REFERENCE SPECIFICATION SECTION 48 19 23.01)
NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
INSULATING OIL:
∙ Napthenic base - ASTM D 3487 Type II; 0.3% by mass of oxidation inhibitor
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
(4) Completely assembled and witnessing of factory acceptance tests
(3) Completed core/coil assembly, but prior to tanking
(2) After completion of windings but prior to landing on core
(1) Design Review Meeting
∙ INSPECTIONS: Government inspections performed during to oil filling.
∙ INTERIOR PAINT: Primer coat, oil-resistant finish coat - White. Allow to cure for one week prior to receive a non-slip coating.
gloss. Corrosion resistant surfaces, and stainless steel cabinets, shall remain unpainted. Cover
∙ EXTERIOR PAINT: Primer coat, epoxy base coat, polyurethane top coat - Munsell 5BG 7/0.4 high-match-marked for ease of reassembly.
∙ ASSEMBLY: Each transformer to be fully assembled before F.A.T., with removable components
∙ Maintenance-free dehydrating breather (Messko Reinhausen MTraB DB 200 Gamma)
Tapmotion DD)
∙ DETC control mounted approx. 48 inches above tranformer base (Reinhausen
∙ Gas and oil actuated Bushholz relay.
∙ Directed-flow pressure relief device with metal discharge piping (Qualitrol XPRD)
∙ Rapid pressure rise relay with seal-in relay, including field test kit heating coils and RTDs.
∙ WTI and OTI analog temperature gauges, with thermowells, sensing elements, measurement (Qualitrol 509 DW 200)
∙ Temperature monitor with cooling controls and fiber-optic winding temperature
∙ Oil level indicator on conservator tank
∙ Analog temperature gage functional verification
∙ Bushing current transformer routine tests power factor tests during transformer F.A.T.
∙ Each high-voltage and high-voltage neutral bushing shall undergo capacitance and
∙ All electrical and electo-mechanical devices shall be functionally tested
∙ De-energized tap changer mechanical operational test (5 complete cycles)
- SFRA test to be performed with the transformer in the shipping configuration
- SFRA test to be performed with the transformer fully assembled and oil filled
- Cable integrity test required
∙ Sweep Frequency Response Analysis (with electronic data files)
∙ Leakage reactance (with electronic data files)
One hour level: 300 pC
∙ Induced voltage test acceptance criteria: 7,200 cycle enhancement level: 500 pC;
∙ Audible sound level tests shall be performed on one transformer.
∙ Lightning impulse tests color thermal images provided.
∙ Temperature rise tests shall be performed on one transformer at each cooling stage, ∙ All 'Routine' tests (IEEE C57.12.00, Table 19)
REQUIREMENTS SUMMARY SHEET
BANK T1
THE DALLES DAM 45,000/60,000/75,000 KVA SINGLE-PHASE, 115 KV GSU TRANSFORMERS
∙ MAXIMUM TRANSFORMER TOTAL WEIGHT: 180,000 lbs.
∙ MAXIMUM LOAD LOSSES: 92 kW
∙ MAXIMUM NO-LOAD LOSSES: 30 kW
∙ MAXIMUM SOUND LEVEL (ONAF): 70 dB
∙ OIL PRESERVATION SYSTEM: Constant Oil Pressure System (COPS)
∙ TEMPERATURE RISE: 65 ºC
∙ SECONDARY WINDING (H) DETC: 5 taps; 2 @ +2.5%, 2 @ -2.5%
∙ IMPEDANCE: 8.9% (H-X)
∙ PHASING: Single-Phase
∙ BIL LEVELS, kV: 550 (H) / 110 (X) / 150 (H0)
∙ FREQUENCY: 60 Hz
∙ VOLTAGE RATINGS: 115,000 GrdY/66,395 (H) - 13,200 Delta (X)
∙ KVA RATING: 45,000/60,000/75,000
∙ COOLING CLASS: ONAN/ONAF/ONAF
∙ TYPE: Class II GSU Power Transformer
∙ (Qty 1): Desiccant refill for electronic dehydrating breather
∙ (Qty 3): Annunciator relay modules and lights
∙ (Qty 1): Fuse of each type and rating
∙ (Qty 3): Fiber optic extension cable
∙ (Qty 1): Cooling fan complete with motor
∙ (Qty 1): Bushing current transformer of each type and rating
∙ (Qty 1): Oil temperature indicator
∙ (Qty 1): Winding temperature indicator
∙ (Qty 1): Liquid level indicator
∙ (Qty 1): Rapid pressure rise seal-in relay
∙ (Qty 1): Rapid pressure rise relay
∙ (Qty 1): Pressure relief device
∙ (Qty 1): Relay and contactor of each type
∙ (Qty 1): Buchholz relay
∙ (Qty 1): Complete gasket set
∙ (Qty 1): Set of gaskets for transformer reassembly
∙ (Qty 1): 34.5 kV high-voltage neutral bushing
∙ (Qty 1): 25 kV low-voltage winding bushing
∙ (Qty 1): 138 kV high-voltage winding bushing three-phase fan motors.
∙ RADIATORS AND FANS: Hot-dip galvanized radiators, vertical-draft cooling fans, 480 V ac, connected to an isolated-phase bus system enclosure.
∙ LOW-VOLTAGE BUSHING THROATS: Each low-voltage bushing throat flange will be
∙ SEISMIC: Seismic calculations required for main tank and all major components.
∙ LIFTING EYES OR LUGS: Design loads for each eye or lug shall be two times the actual load.
seismic anchoring to the concrete deck.
∙ SEPARABLE STRUCTURAL BASE: Designed for bolting to the transformer structural base, and designed for use with Western Safety Products fall arrest anchor post Model 16691.
∙ PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATES: Uni-anchor plate and lug, ∙ HARDWARE: External bolting hardware to be Grade 5, minimum, galvanized.
∙ VALVES: Stainless steel ball-type (with the exception of butterfly valves) used for gasket grooves of rectangular cross-section.
∙ GASKETS: Nitrile NBR (Buna-N), Duro 50-60, 25% compression. O-ring gaskets shall not be
∙ MAN-HOLE: 24-inch diameter (minimum one) voltage windings, 3 in the high-voltage windings.
∙ WINDINGS: Nine fiber-optic probes embedded near expected hottest spots; 6 in the low-
Maximum design flux density of 1.75 Tesla. Step-lap construction.
∙ CORE: Laminations maximum thickness of 0.270mm, cold-rolled, grain-oriented steel.
∙ SFRA TEST SHIPPING BUSHING: 2.5 kV Class, 45 kV BIL, 100 Amp
∙ CORE GROUNDS: 2.5 kV Class, 45 kV BIL, 100 Amp impregnated paper condenser core
∙ NEUTRAL (H0): 34.5 kV Class, 200 kV BIL, 1,200 Amp, composite exterior with resin-temperature rise rating.
∙ PRIMARY WINDING (X): 25 kV Class, 150 kV BIL, 6,000 Amp, light contamination, 125 ºC accuracy, C400 relaying accuracy) resin-impregnated paper condenser core (Three 1,200:5 MRCT, 0.3B-1.8 metering
∙ SECONDARY WINDING (H): 138 kV Class, 650 kV BIL, 1,200 Amp, composite exterior with steel, engraved and provided with black lettering.
control and power cabinets shall be anodized aluminum approximately 1/8 inch thick or stainless low-voltage bushings made of stainless steel with black lettering. Device nameplates within the also be provided. Equipment nameplates shall be provided for the high-voltage bushings and calculated X/R ratio. An additional diagram nameplate for sling locations and lift positions shall plant location, Government contract number, pressure and vacuum the tank will withstand, and
∙ NAMEPLATES: Cast bronze or stainless steel; IEEE C57.12.00, Table 7, including manufacturing date, computer.
- Fold-down maintenance tray on inside of control cabinet door, capable of supporting a laptop industrial grade thermostat control.
- Touch-safe enslosure heaters of PTC resistor design with integral fans, and NEMA 4X rated
- 120 V ac, 20 A hospital grade GFCI receptacle mounted inside the control cabinet.
- 120 V ac, 1,000 Lumen LED Type A19 lamps with door-actuated switch.
door for viewing.
480 V ac fan power supplies, with weatherproof tempered-glass windows provided in cabinet
- Automatic transfer switch in power cabinet for switching between primary and secondary
- Separate conduit entry terminal box for interconnection to power plant and embedded conduit.
- All circuits, wiring and equipment rated greater than 120 V ac to be mounted in power cabinet.
cabinet doors for viewing.
cabinet on swing panels, with weatherproof tempered-glass windows provided in control
- Qualitrol 509 DW electronic temperature monitor and annunciator mounted within the control
- Lockout relay with trip coil monitoring and indicators (Electroswitch Series 24, Model 78PB02E)
∙ SPECIAL FEATURES:
- 125 and 250 V dc circuits - Rated 125/250 or 250 V dc, and 10,000 A interrupting
- 120 V ac circuits - Rated 250 V dc and 120/240 or 240 V ac, and 10,000 A interrupting
- 480 V ac circuits - Rated 600 V ac and 22,000 A interrupting
∙ MOLDED-CASE CIRCUIT BREAKERS:
120 V ac circuits - 10 A
- Single-break inductive load interrupting rating: 125 V dc circuits - 1.5 A;
- Rated for 600 V ac or 250 V dc
∙ SWITCHES:
120 V ac circuits - 6.0 A
- Single-contact inductive load interrupting capacity: 125 V dc circuits - 1.0 A;
- Rated for 125 V dc (operate between 90 V dc and 140 V dc) or 120 V ac; 10 A contacts
∙ RELAYS:
∙ TERMINAL BLOCKS: 600 V, 30 A minimum, 90 ºC rated terminations.
boxes shall be cast aluminum with cast covers and liquid-tight hubs.
All conduit threaded joints shall have a conductive joint compound applied. Outlet and junction
∙ CONDUIT: All wiring to be run in conduit. Wire runs through tank reinforcing channels not allowed.
Phase C - Yellow; Grounded neutral - White; Insulated ground - Green/Yellow
∙ WIRING: XLPE; 3-phase power conductors color coded: Phase A - Brown; Phase B - Orange;
power - 125 V dc; Cooling fans - 480 V ac, 3-wire, 3-phase, 60 Hz
∙ GOVERNMENT-FURNISHED POWER: Control power - 125 V dc, 120 V ac (preferred); Annunciation in the power cabinet. Solar shielding on top, front and side panels of enclosures.
viewing Qualitrol 509 DW and annunciator in control cabinet, and the automatic transfer switch
∙ CABINET MATERIAL: Weather-proof Type 304 stainless steel with locking provisions. Windows for
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IDENTIFICATION
SHEET
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US Army Corps
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BORDER VERSION UPDATE [09-2012]
G-005SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:00:57 AM
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G-006
(REFERENCE SPECIFICATION SECTION 48 19 23.01)
NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
INSULATING OIL:
∙ Napthenic base - ASTM D 3487 Type II; 0.3% by mass of oxidation inhibitor
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
(4) Completely assembled and witnessing of factory acceptance tests
(3) Completed core/coil assembly, but prior to tanking
(2) After completion of windings but prior to landing on core
(1) Design Review Meeting
∙ INSPECTIONS: Government inspections performed during to oil filling.
∙ INTERIOR PAINT: Primer coat, oil-resistant finish coat - White. Allow to cure for one week prior to receive a non-slip coating.
gloss. Corrosion resistant surfaces, and stainless steel cabinets, shall remain unpainted. Cover
∙ EXTERIOR PAINT: Primer coat, epoxy base coat, polyurethane top coat - Munsell 5BG 7/0.4 high-match-marked for ease of reassembly.
∙ ASSEMBLY: Each transformer to be fully assembled before F.A.T., with removable components three-phase fan motors.
∙ RADIATORS AND FANS: Hot-dip galvanized radiators, vertical-draft cooling fans, 480 V ac, connected to an isolated-phase bus system enclosure.
∙ LOW-VOLTAGE BUSHING THROATS: Each low-voltage bushing throat flange will be
∙ SEISMIC: Seismic calculations required for main tank and all major components.
∙ LIFTING EYES OR LUGS: Design loads for each eye or lug shall be two times the actual load.
seismic anchoring to the concrete deck.
∙ SEPARABLE STRUCTURAL BASE: Designed for bolting to the transformer structural base, and designed for use with Western Safety Products fall arrest anchor post Model 16691.
∙ PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATES: Uni-anchor plate and lug, ∙ HARDWARE: External bolting hardware to be Grade 5, minimum, galvanized.
∙ VALVES: Stainless steel ball-type (with the exception of butterfly valves) used for gasket grooves of rectangular cross-section.
∙ GASKETS: Nitrile NBR (Buna-N), Duro 50-60, 25% compression. O-ring gaskets shall not be
∙ MAN-HOLE: 24-inch diameter (minimum one) voltage windings, 3 in the high-voltage windings.
∙ WINDINGS: Nine fiber-optic probes embedded near expected hottest spots; 6 in the low-
Maximum design flux density of 1.75 Tesla. Step-lap construction.
∙ CORE: Laminations maximum thickness of 0.270mm, cold-rolled, grain-oriented steel.
steel, engraved and provided with black lettering.
control and power cabinets shall be anodized aluminum approximately 1/8 inch thick or stainless low-voltage bushings made of stainless steel with black lettering. Device nameplates within the also be provided. Equipment nameplates shall be provided for the high-voltage bushings and calculated X/R ratio. An additional diagram nameplate for sling locations and lift positions shall plant location, Government contract number, pressure and vacuum the tank will withstand, and
∙ NAMEPLATES: Cast bronze or stainless steel; IEEE C57.12.00, Table 7, including manufacturing date, computer.
- Fold-down maintenance tray on inside of control cabinet door, capable of supporting a laptop industrial grade thermostat control.
- Touch-safe enslosure heaters of PTC resistor design with integral fans, and NEMA 4X rated
- 120 V ac, 20 A hospital grade GFCI receptacle mounted inside the control cabinet.
- 120 V ac, 1,000 Lumen LED Type A19 lamps with door-actuated switch.
door for viewing.
480 V ac fan power supplies, with weatherproof tempered-glass windows provided in cabinet
- Automatic transfer switch in power cabinet for switching between primary and secondary
- Separate conduit entry terminal box for interconnection to power plant and embedded conduit.
- All circuits, wiring and equipment rated greater than 120 V ac to be mounted in power cabinet.
cabinet doors for viewing.
cabinet on swing panels, with weatherproof tempered-glass windows provided in control
- Qualitrol 509 DW electronic temperature monitor and annunciator mounted within the control
- Lockout relay with trip coil monitoring and indicators (Electroswitch Series 24, Model 78PB02E)
∙ SPECIAL FEATURES:
- 125 and 250 V dc circuits - Rated 125/250 or 250 V dc, and 10,000 A interrupting
- 120 V ac circuits - Rated 250 V dc and 120/240 or 240 V ac, and 10,000 A interrupting
- 480 V ac circuits - Rated 600 V ac and 22,000 A interrupting
∙ MOLDED-CASE CIRCUIT BREAKERS:
120 V ac circuits - 10 A
- Single-break inductive load interrupting rating: 125 V dc circuits - 1.5 A;
- Rated for 600 V ac or 250 V dc
∙ SWITCHES:
120 V ac circuits - 6.0 A
- Single-contact inductive load interrupting capacity: 125 V dc circuits - 1.0 A;
- Rated for 125 V dc (operate between 90 V dc and 140 V dc) or 120 V ac; 10 A contacts
∙ RELAYS:
∙ TERMINAL BLOCKS: 600 V, 30 A minimum, 90 ºC rated terminations.
boxes shall be cast aluminum with cast covers and liquid-tight hubs.
All conduit threaded joints shall have a conductive joint compound applied. Outlet and junction
∙ CONDUIT: All wiring to be run in conduit. Wire runs through tank reinforcing channels not allowed.
Phase C - Yellow; Grounded neutral - White; Insulated ground - Green/Yellow
∙ WIRING: XLPE; 3-phase power conductors color coded: Phase A - Brown; Phase B - Orange;
power - 125 V dc; Cooling fans - 480 V ac, 3-wire, 3-phase, 60 Hz
∙ GOVERNMENT-FURNISHED POWER: Control power - 125 V dc, 120 V ac (preferred); Annunciation in the power cabinet. Solar shielding on top, front and side panels of enclosures.
viewing Qualitrol 509 DW and annunciator in control cabinet, and the automatic transfer switch
∙ CABINET MATERIAL: Weather-proof Type 304 stainless steel with locking provisions. Windows for
∙ SFRA TEST SHIPPING BUSHING: 2.5 kV Class, 45 kV BIL, 100 Amp
∙ CORE GROUNDS: 2.5 kV Class, 45 kV BIL, 100 Amp impregnated paper condenser core
∙ NEUTRAL (H0): 34.5 kV Class, 200 kV BIL, 800 Amp, composite exterior with resin-temperature rise rating.
∙ PRIMARY WINDING (X): 25 kV Class, 150 kV BIL, 6,000 Amp, light contamination, 125 ºC accuracy, C400 relaying accuracy) resin-impregnated paper condenser core (Three 800:5 MRCT, 0.3B-1.8 metering
∙ SECONDARY WINDING (H): 230 kV Class, 900 kV BIL, 800 Amp, composite exterior with
∙ Analog temperature gage functional verification
∙ Bushing current transformer routine tests power factor tests during transformer F.A.T.
∙ Each high-voltage and high-voltage neutral bushing shall undergo capacitance and
∙ All electrical and electo-mechanical devices shall be functionally tested
∙ De-energized tap changer mechanical operational test (5 complete cycles)
- SFRA test to be performed with the transformer in the shipping configuration
- SFRA test to be performed with the transformer fully assembled and oil filled
- Cable integrity test required
∙ Sweep Frequency Response Analysis (with electronic data files)
∙ Leakage reactance (with electronic data files)
One hour level: 300 pC
∙ Induced voltage test acceptance criteria: 7,200 cycle enhancement level: 500 pC;
∙ Audible sound level tests shall be performed on one transformer.
∙ Lightning impulse tests provided.
manufacturing order, performed at each cooling stage, with color thermal images
∙ Temperature rise tests shall be performed on three transformers, separated in the
∙ All 'Routine' tests (IEEE C57.12.00, Table 19)
∙ (Qty 2): Desiccant refill for electronic dehydrating breather
∙ (Qty 12): Annunciator relay modules and lights
∙ (Qty 2): Fuse of each type and rating
∙ (Qty 10): Fiber optic extension cable
∙ (Qty 4): Cooling fan complete with motor
∙ (Qty 1): Bushing current transformer of each type and rating
∙ (Qty 1): Oil temperature indicator
∙ (Qty 1): Winding temperature indicator
∙ (Qty 1): Liquid level indicator
∙ (Qty 1): Rapid pressure rise seal-in relay
∙ (Qty 1): Rapid pressure rise relay
∙ (Qty 1): Pressure relief device
∙ (Qty 2): Relay and contactor of each type
∙ (Qty 2): Buchholz relay
∙ (Qty 1): Transformer temperature monitor, and fiber-optic module
∙ (Qty 2): Complete gasket set
∙ (Qty 1): Set of gaskets for transformer reassembly
∙ (Qty 2): 34.5 kV high-voltage neutral bushing
∙ (Qty 2): 25 kV low-voltage winding bushing
∙ (Qty 2): 230 kV high-voltage winding bushing the anchor post assemblies and Davit Arms with mounted winches.
including rescue Davit Arms, quick mount winches and cables, and carrying bags for
∙ Six portable fall arrest system anchor posts (Western Safety Products, Model 16691), ∙ Maintenance-free dehydrating breather (Messko Reinhausen MTraB DB 200 Gamma)
Tapmotion DD)
∙ DETC control mounted approx. 48 inches above tranformer base (Reinhausen
∙ Gas and oil actuated Bushholz relay.
∙ Directed-flow pressure relief device with metal discharge piping (Qualitrol XPRD)
∙ Rapid pressure rise relay with seal-in relay, including field test kit heating coils and RTDs.
∙ WTI and OTI analog temperature gauges, with thermowells, sensing elements, measurement (Qualitrol 509 DW 200)
∙ Temperature monitor with cooling controls and fiber-optic winding temperature
∙ Oil level indicator on conservator tank
R E
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REQUIREMENTS SUMMARY SHEET
BANK T3
THE DALLES DAM 45,000/60,000/75,000 KVA SINGLE-PHASE, 230 KV GSU TRANSFORMERS
∙ MAXIMUM TRANSFORMER TOTAL WEIGHT: 180,000 lbs.
∙ MAXIMUM LOAD LOSSES: 100 kW
∙ MAXIMUM NO-LOAD LOSSES: 30 kW
∙ MAXIMUM SOUND LEVEL (ONAF): 70 dB
∙ OIL PRESERVATION SYSTEM: Constant Oil Pressure System (COPS)
∙ TEMPERATURE RISE: 65 ºC
∙ SECONDARY WINDING (H) DETC: 5 taps; 2 @ +2.5%, 2 @ -2.5%
∙ IMPEDANCE: 12.1% (H-X)
∙ PHASING: Single-Phase
∙ BIL LEVELS, kV: 825 (H) / 110 (X) / 150 (H0)
∙ FREQUENCY: 60 Hz
∙ VOLTAGE RATINGS: 230,000 GrdY/132,790 (H) - 13,200 Delta (X)
∙ KVA RATING: 45,000/60,000/75,000
∙ COOLING CLASS: ONAN/ONAF/ONAF
∙ TYPE: Class II GSU Power Transformer
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IDENTIFICATION
SHEET
D A
T E
A P
P R
D R
A W
IN
G N
U M
B E
R of Engineers
US Army Corps
P L
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A T
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BORDER VERSION UPDATE [09-2012]
G-006SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:01:09 AM
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G-007
(REFERENCE SPECIFICATION SECTION 48 19 23.01)
NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
INSULATING OIL:
∙ Napthenic base - ASTM D 3487 Type II; 0.3% by mass of oxidation inhibitor
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
(4) Completely assembled and witnessing of factory acceptance tests
(3) Completed core/coil assembly, but prior to tanking
(2) After completion of windings but prior to landing on core
(1) Design Review Meeting
∙ INSPECTIONS: Government inspections performed during to oil filling.
∙ INTERIOR PAINT: Primer coat, oil-resistant finish coat - White. Allow to cure for one week prior to receive a non-slip coating.
gloss. Corrosion resistant surfaces, and stainless steel cabinets, shall remain unpainted. Cover
∙ EXTERIOR PAINT: Primer coat, epoxy base coat, polyurethane top coat - Munsell 5BG 7/0.4 high-match-marked for ease of reassembly.
∙ ASSEMBLY: Each transformer to be fully assembled before F.A.T., with removable components three-phase fan motors.
∙ RADIATORS AND FANS: Hot-dip galvanized radiators, vertical-draft cooling fans, 480 V ac, connected to an isolated-phase bus system enclosure.
∙ LOW-VOLTAGE BUSHING THROATS: Each low-voltage bushing throat flange will be
∙ SEISMIC: Seismic calculations required for main tank and all major components.
∙ LIFTING EYES OR LUGS: Design loads for each eye or lug shall be two times the actual load.
seismic anchoring to the concrete deck.
∙ SEPARABLE STRUCTURAL BASE: Designed for bolting to the transformer structural base, and designed for use with Western Safety Products fall arrest anchor post Model 16691.
∙ PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATES: Uni-anchor plate and lug, ∙ HARDWARE: External bolting hardware to be Grade 5, minimum, galvanized.
∙ VALVES: Stainless steel ball-type (with the exception of butterfly valves) used for gasket grooves of rectangular cross-section.
∙ GASKETS: Nitrile NBR (Buna-N), Duro 50-60, 25% compression. O-ring gaskets shall not be
∙ MAN-HOLE: 24-inch diameter (minimum one) voltage windings, 3 in the high-voltage windings.
∙ WINDINGS: Nine fiber-optic probes embedded near expected hottest spots; 6 in the low-
Maximum design flux density of 1.75 Tesla. Step-lap construction.
∙ CORE: Laminations maximum thickness of 0.270mm, cold-rolled, grain-oriented steel.
steel, engraved and provided with black lettering.
control and power cabinets shall be anodized aluminum approximately 1/8 inch thick or stainless low-voltage bushings made of stainless steel with black lettering. Device nameplates within the also be provided. Equipment nameplates shall be provided for the high-voltage bushings and calculated X/R ratio. An additional diagram nameplate for sling locations and lift positions shall plant location, Government contract number, pressure and vacuum the tank will withstand, and
∙ NAMEPLATES: Cast bronze or stainless steel; IEEE C57.12.00, Table 7, including manufacturing date, computer.
- Fold-down maintenance tray on inside of control cabinet door, capable of supporting a laptop industrial grade thermostat control.
- Touch-safe enslosure heaters of PTC resistor design with integral fans, and NEMA 4X rated
- 120 V ac, 20 A hospital grade GFCI receptacle mounted inside the control cabinet.
- 120 V ac, 1,000 Lumen LED Type A19 lamps with door-actuated switch.
door for viewing.
480 V ac fan power supplies, with weatherproof tempered-glass windows provided in cabinet
- Automatic transfer switch in power cabinet for switching between primary and secondary
- Separate conduit entry terminal box for interconnection to power plant and embedded conduit.
- All circuits, wiring and equipment rated greater than 120 V ac to be mounted in power cabinet.
cabinet doors for viewing.
cabinet on swing panels, with weatherproof tempered-glass windows provided in control
- Qualitrol 509 DW electronic temperature monitor and annunciator mounted within the control
- Lockout relay with trip coil monitoring and indicators (Electroswitch Series 24, Model 78PB02E)
∙ SPECIAL FEATURES:
- 125 and 250 V dc circuits - Rated 125/250 or 250 V dc, and 10,000 A interrupting
- 120 V ac circuits - Rated 250 V dc and 120/240 or 240 V ac, and 10,000 A interrupting
- 480 V ac circuits - Rated 600 V ac and 22,000 A interrupting
∙ MOLDED-CASE CIRCUIT BREAKERS:
120 V ac circuits - 10 A
- Single-break inductive load interrupting rating: 125 V dc circuits - 1.5 A;
- Rated for 600 V ac or 250 V dc
∙ SWITCHES:
120 V ac circuits - 6.0 A
- Single-contact inductive load interrupting capacity: 125 V dc circuits - 1.0 A;
- Rated for 125 V dc (operate between 90 V dc and 140 V dc) or 120 V ac; 10 A contacts
∙ RELAYS:
∙ TERMINAL BLOCKS: 600 V, 30 A minimum, 90 ºC rated terminations.
boxes shall be cast aluminum with cast covers and liquid-tight hubs.
All conduit threaded joints shall have a conductive joint compound applied. Outlet and junction
∙ CONDUIT: All wiring to be run in conduit. Wire runs through tank reinforcing channels not allowed.
Phase C - Yellow; Grounded neutral - White; Insulated ground - Green/Yellow
∙ WIRING: XLPE; 3-phase power conductors color coded: Phase A - Brown; Phase B - Orange;
power - 125 V dc; Cooling fans - 480 V ac, 3-wire, 3-phase, 60 Hz
∙ GOVERNMENT-FURNISHED POWER: Control power - 125 V dc, 120 V ac (preferred); Annunciation in the power cabinet. Solar shielding on top, front and side panels of enclosures.
viewing Qualitrol 509 DW and annunciator in control cabinet, and the automatic transfer switch
∙ CABINET MATERIAL: Weather-proof Type 304 stainless steel with locking provisions. Windows for
∙ MAXIMUM TRANSFORMER TOTAL WEIGHT: 180,000 lbs.
∙ MAXIMUM LOAD LOSSES: 70 kW
∙ MAXIMUM NO-LOAD LOSSES: 30 kW
∙ MAXIMUM SOUND LEVEL (ONAF): 70 dB
∙ OIL PRESERVATION SYSTEM: Constant Oil Pressure System (COPS)
∙ TEMPERATURE RISE: 65 ºC
∙ SECONDARY WINDING (H) DETC: 5 taps; 2 @ +2.5%, 2 @ -2.5%
∙ IMPEDANCE: 10.2% (H-X)
∙ PHASING: Single-Phase
∙ BIL LEVELS, kV: 825 (H) / 110 (X) / 150 (H0)
∙ FREQUENCY: 60 Hz
∙ VOLTAGE RATINGS: 230,000 GrdY/132,790 (H) - 13,200 Delta (X)
∙ KVA RATING: 37,800/50,400/63,000
∙ COOLING CLASS: ONAN/ONAF/ONAF
∙ TYPE: Class II GSU Power Transformer
∙ SFRA TEST SHIPPING BUSHING: 2.5 kV Class, 45 kV BIL, 100 Amp
∙ CORE GROUNDS: 2.5 kV Class, 45 kV BIL, 100 Amp impregnated paper condenser core
∙ NEUTRAL (H0): 34.5 kV Class, 200 kV BIL, 800 Amp, composite exterior with resin-temperature rise rating.
∙ PRIMARY WINDING (X): 25 kV Class, 150 kV BIL, 5,000 Amp, light contamination, 125 ºC accuracy, C400 relaying accuracy) resin-impregnated paper condenser core (Three 800:5 MRCT, 0.3B-1.8 metering
∙ SECONDARY WINDING (H): 230 kV Class, 900 kV BIL, 800 Amp, composite exterior with
∙ Analog temperature gage functional verification
∙ Bushing current transformer routine tests power factor tests during transformer F.A.T.
∙ Each high-voltage and high-voltage neutral bushing shall undergo capacitance and
∙ All electrical and electo-mechanical devices shall be functionally tested
∙ De-energized tap changer mechanical operational test (5 complete cycles)
- SFRA test to be performed with the transformer in the shipping configuration
- SFRA test to be performed with the transformer fully assembled and oil filled
- Cable integrity test required
∙ Sweep Frequency Response Analysis (with electronic data files)
∙ Leakage reactance (with electronic data files)
One hour level: 300 pC
∙ Induced voltage test acceptance criteria: 7,200 cycle enhancement level: 500 pC;
∙ Audible sound level tests shall be performed on one transformer.
∙ Lightning impulse tests provided.
manufacturing order, performed at each cooling stage, with color thermal images
∙ Temperature rise tests shall be performed on three transformers, separated in the
∙ All 'Routine' tests (IEEE C57.12.00, Table 19)
∙ (Qty 2): Desiccant refill for electronic dehydrating breather
∙ (Qty 12): Annunciator relay modules and lights
∙ (Qty 2): Fuse of each type and rating
∙ (Qty 10): Fiber optic extension cable
∙ (Qty 4): Cooling fan complete with motor
∙ (Qty 1): Bushing current transformer of each type and rating
∙ (Qty 1): Oil temperature indicator
∙ (Qty 1): Winding temperature indicator
∙ (Qty 1): Liquid level indicator
∙ (Qty 1): Rapid pressure rise seal-in relay
∙ (Qty 1): Rapid pressure rise relay
∙ (Qty 1): Pressure relief device
∙ (Qty 2): Relay and contactor of each type
∙ (Qty 2): Buchholz relay
∙ (Qty 1): Transformer temperature monitor, and fiber-optic module
∙ (Qty 2): Complete gasket set
∙ (Qty 1): Set of gaskets for transformer reassembly
∙ (Qty 2): 34.5 kV high-voltage neutral bushing
∙ (Qty 2): 25 kV low-voltage winding bushing
∙ (Qty 2): 230 kV high-voltage winding bushing the anchor post assemblies and Davit Arms with mounted winches.
including rescue Davit Arms, quick mount winches and cables, and carrying bags for
∙ Six portable fall arrest system anchor posts (Western Safety Products, Model 16691), ∙ Maintenance-free dehydrating breather (Messko Reinhausen MTraB DB 200 Gamma)
Tapmotion DD)
∙ DETC control mounted approx. 48 inches above tranformer base (Reinhausen
∙ Gas and oil actuated Bushholz relay.
∙ Directed-flow pressure relief device with metal discharge piping (Qualitrol XPRD)
∙ Rapid pressure rise relay with seal-in relay, including field test kit heating coils and RTDs.
∙ WTI and OTI analog temperature gauges, with thermowells, sensing elements, measurement (Qualitrol 509 DW 200)
∙ Temperature monitor with cooling controls and fiber-optic winding temperature
∙ Oil level indicator on conservator tank
R E
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REQUIREMENTS SUMMARY SHEET
BANKS T5, T6, T7
THE DALLES DAM 37,800/50,400/63,000 KVA SINGLE-PHASE, 230 KV GSU TRANSFORMERS
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BORDER VERSION UPDATE [09-2012]
G-007SHEET NAME:g2hdcmg9 Michael GundrumBY USERNAME:ANSI DDRAWING PLOT SIZE: DATE AND TIME PLOTTED: 6/15/2015 7:01:21 AM
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(REFERENCE SPECIFICATION SECTION 48 19 23.04)
NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
INSULATING OIL:
∙ Napthenic base - ASTM D 3487 Type II; 0.3% by mass of oxidation inhibitor
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
(4) Completely assembled and witnessing of factory acceptance tests
(3) Completed core/coil assembly, but prior to tanking
(2) After completion of windings but prior to landing on core
(1) Design Review Meeting
∙ INSPECTIONS: Government inspections performed during to oil filling.
∙ INTERIOR PAINT: Primer coat, oil-resistant finish coat - White. Allow to cure for one week prior to receive a non-slip coating.
gloss. Corrosion resistant surfaces, and stainless steel cabinets, shall remain unpainted. Cover
∙ EXTERIOR PAINT: Primer coat, epoxy base coat, polyurethane top coat - Munsell 5BG 7/0.4 high-match-marked for ease of reassembly.
∙ ASSEMBLY: Each transformer to be fully assembled before F.A.T., with removable components∙ Maintenance-free dehydrating breather (Messko Reinhausen MTraB DB 200 Gamma)
Tapmotion DD)
∙ DETC control mounted approx. 48 inches above tranformer base (Reinhausen
∙ Gas and oil actuated Bushholz relay.
∙ Directed-flow pressure relief device with metal discharge piping (Qualitrol XPRD)
∙ Rapid pressure rise relay with seal-in relay, including field test kit heating coils and RTDs.
∙ WTI and OTI analog temperature gauges, with thermowells, sensing elements, measurement (Qualitrol 509 DW 200)
∙ Temperature monitor with cooling controls and fiber-optic winding temperature
∙ Oil level indicator on conservator tank steel, engraved and provided with black lettering.
control and power cabinets shall be anodized aluminum approximately 1/8 inch thick or stainless low-voltage bushings made of stainless steel with black lettering. Device nameplates within the also be provided. Equipment nameplates shall be provided for the high-voltage bushings and calculated X/R ratio. An additional diagram nameplate for sling locations and lift positions shall plant location, Government contract number, pressure and vacuum the tank will withstand, and
∙ NAMEPLATES: Cast bronze or stainless steel; IEEE C57.12.00, Table 7, including manufacturing date, computer.
- Fold-down maintenance tray on inside of control cabinet door, capable of supporting a laptop industrial grade thermostat control.
- Touch-safe enslosure heaters of PTC resistor design with integral fans, and NEMA 4X rated
- 120 V ac, 20 A hospital grade GFCI receptacle mounted inside the control cabinet.
- 120 V ac, 1,000 Lumen LED Type A19 lamps with door-actuated switch.
door for viewing.
480 V ac fan power supplies, with weatherproof tempered-glass windows provided in cabinet
- Automatic transfer switch in power cabinet for switching between primary and secondary
- Separate conduit entry terminal box for interconnection to power plant and embedded conduit.
- All circuits, wiring and equipment rated greater than 120 V ac to be mounted in power cabinet.
cabinet doors for viewing.
cabinet on swing panels, with weatherproof tempered-glass windows provided in control
- Qualitrol 509 DW electronic temperature monitor and annunciator mounted within the control
- Lockout relay with trip coil monitoring and indicators (Electroswitch Series 24, Model 78PB02E)
∙ SPECIAL FEATURES:
- 125 and 250 V dc circuits - Rated 125/250 or 250 V dc, and 10,000 A interrupting
- 120 V ac circuits - Rated 250 V dc and 120/240 or 240 V ac, and 10,000 A interrupting
- 480 V ac circuits - Rated 600 V ac and 22,000 A interrupting
∙ MOLDED-CASE CIRCUIT BREAKERS:
120 V ac circuits - 10 A
- Single-break inductive load interrupting rating: 125 V dc circuits - 1.5 A;
- Rated for 600 V ac or 250 V dc
∙ SWITCHES:
120 V ac circuits - 6.0 A
- Single-contact inductive load interrupting capacity: 125 V dc circuits - 1.0 A;
- Rated for 125 V dc (operate between 90 V dc and 140 V dc) or 120 V ac; 10 A contacts
∙ RELAYS:
∙ TERMINAL BLOCKS: 600 V, 30 A minimum, 90 ºC rated terminations.
boxes shall be cast aluminum with cast covers and liquid-tight hubs.
All conduit threaded joints shall have a conductive joint compound applied. Outlet and junction
∙ CONDUIT: All wiring to be run in conduit. Wire runs through tank reinforcing channels not allowed.
Phase C - Yellow; Grounded neutral - White; Insulated ground - Green/Yellow
∙ WIRING: XLPE; 3-phase power conductors color coded: Phase A - Brown; Phase B - Orange;
power - 125 V dc; Cooling fans - 480 V ac, 3-wire, 3-phase, 60 Hz
∙ GOVERNMENT-FURNISHED POWER: Control power - 125 V dc, 120 V ac (preferred); Annunciation in the power cabinet. Solar shielding on top, front and side panels of enclosures.
viewing Qualitrol 509 DW and annunciator in control cabinet, and the automatic transfer switch
∙ CABINET MATERIAL: Weather-proof Type 304 stainless steel with locking provisions. Windows for
REQUIREMENTS SUMMARY SHEET
BANK T8
THE DALLES DAM 175,000/233,333 KVA THREE-PHASE, 230 KV GSU TRANSFORMER
∙ MAXIMUM TRANSFORMER TOTAL WEIGHT: 420,000 lbs.
∙ MAXIMUM LOAD LOSSES: 430 kW
∙ MAXIMUM NO-LOAD LOSSES: 160 kW
∙ MAXIMUM SOUND LEVEL (ONAF): 76 dB
∙ OIL PRESERVATION SYSTEM: Constant Oil Pressure System (COPS)
∙ TEMPERATURE RISE: 65 ºC
∙ SECONDARY WINDING (H) DETC: 5 taps; 2 @ +2.5%, 2 @ -2.5%
∙ IMPEDANCE: 11% (H-X)
∙ PHASING: Three-Phase
∙ BIL LEVELS, kV: 825 (H) / 110 (X) / 150 (H0)
∙ FREQUENCY: 60 Hz
∙ VOLTAGE RATINGS: 230,000 GrdY (H) - 13,200 Delta (X)
∙ KVA RATING: 175,000/233,333
∙ COOLING CLASS: ODAF/ODAF
∙ TYPE: Class II GSU Power Transformer
∙ COOLERS: Hot-dip galvanized coolers; 480 V ac, three-phase fan motors.
operated pump and hydraulic oil.
∙ JACKS: Four hydraulic jacks with hoses, fittings, felief valve, pressure gauges, manifold, hand-coupling.
enclosures designed to connect to the isolated-phase bus housing flanges at the expansion
∙ LOW-VOLTAGE BUSHING THROAT ENCLOSURES: Low-voltage bushing throat isolated-phase
∙ SEISMIC: Seismic calculations required for main tank and all major components.
∙ LIFTING EYES OR LUGS: Design loads for each eye or lug shall be two times the actual load.
designed for use with Western Safety Products fall arrest anchor post Model 16691.
∙ PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATES: Uni-anchor plate and lug, transformer cover with red vinyl coated wire rope rails; non-slip surface on tank cover.
∙ PERSONAL FALL ARREST SYSTEM: Removable aluminum safety posts around perimeter of
∙ BASE: Designed for pedestal mounting with removable seismic anchor brackets.
∙ HARDWARE: External bolting hardware to be Grade 5, minimum, galvanized.
∙ VALVES: Stainless steel ball-type (with the exception of butterfly valves) used for gasket grooves of rectangular cross-section.
∙ GASKETS: Nitrile NBR (Buna-N), Duro 50-60, 25% compression. O-ring gaskets shall not be
∙ MAN-HOLE: 24-inch diameter (minimum one) voltage winding, 3 in B-phase of the high-voltage windings.
∙ WINDINGS: Twelve fiber-optic probes embedded near expected hottest spots; 3 per low-
Maximum design flux density of 1.75 Tesla. Step-lap construction.
∙ CORE: Laminations maximum thickness of 0.270mm, cold-rolled, grain-oriented steel.
∙ SFRA TEST SHIPPING BUSHING: 2.5 kV Class, 45 kV BIL, 100 Amp
∙ CORE GROUNDS: 2.5 kV Class, 45 kV BIL, 100 Amp accuracy, C400 relaying accuracy) impregnated paper condenser core (One 600:5 MRCT, 0.3B-1.8 metering
∙ NEUTRAL (H0): 34.5 kV Class, 200 kV BIL, 600 Amp, composite exterior with resin-temperature rise rating.
∙ PRIMARY WINDING (X): 25 kV Class, 150 kV BIL, 12,000 Amp, light contamination, 125 ºC accuracy, C400 relaying accuracy) resin-impregnated paper condenser core (Three 1,200:5 MRCT, 0.3B-1.8 metering
∙ SECONDARY WINDING (H): 230 kV Class, 900 kV BIL, 800 Amp, composite exterior with
∙ Analog temperature gage functional verification
∙ Bushing current transformer routine tests power factor tests during transformer F.A.T.
∙ Each high-voltage and high-voltage neutral bushing shall undergo capacitance and
∙ All electrical and electo-mechanical devices shall be functionally tested
∙ De-energized tap changer mechanical operational test (5 complete cycles)
- SFRA test to be performed with the transformer in the shipping configuration
- SFRA test to be performed with the transformer fully assembled and oil filled
- Cable integrity test required
∙ Sweep Frequency Response Analysis (with electronic data files)
∙ Leakage reactance (with electronic data files)
One hour level: 300 pC
∙ Induced voltage test acceptance criteria: 7,200 cycle enhancement level: 500 pC;
∙ Audible sound level test
∙ Lightning impulse tests provided.
∙ Temperature rise tests shall be performed at each cooling stage, with color thermal images
∙ All 'Routine' tests (IEEE C57.12.00, Table 19)
∙ (Qty 1): Desiccant refill for electronic dehydrating breather
∙ (Qty 3): Annunciator relay modules and lights
∙ (Qty 1): Fuse of each type…
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