GSU_Transformer_Supply_Dwgs_W9128F19R0015.pdf
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FORT RANDALL DAM AND RESERVOIR
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SOLICITATION NUMBER: W9128F-19-R-0015
LOCATION
PROJECT
PROJECT PHOTO
PROJECT LOCATION MAP
PROJECT VICINITY MAP
FORT RANDALL DAM AND RESERVOIR
GENERATOR STEP-UP (GSU) TRANSFORMERS SUPPLY
90/120 MVA 230 KV GSU TRANSFORMERS (QTY. 3)
90/120 MVA 115 KV GSU TRANSFORMER (QTY. 1)
Omaha District of Engineers
US Army Corps
DATE: MAR 2019
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INDEX OF DRAWINGS
CONTRACT DRAWINGS
GENERAL
MECHANICAL
TITLE TITLESHEET NUMBER DRAWING NUMBER
REFERENCE DRAWINGS
FILE NUMBER
STRUCTURAL
ELECTRICAL - TRANSFORMER LAYOUTS
FRF7-5.001-0-0/6
FRF7-5.001-0-0/5
FRF7-5.001-0-0/4
FRF7-5.001-0-0/3
FRF7-5.001-0-0/2
FRF7-5.001-0-0/1
G-006
G-005
G-004
G-003
G-002
G-001
GSU TRANSFORMERS, CONCRETE PAD STEEL PLATES AND MOUNTING DETAILSFRF7-5.001-5-0/1S-101
ELECTRICAL - TRANSFORMER CONTROL SCHEMATICS AND PLANT INTERFACES
E-108
E-107
E-106
E-105
E-104
E-103
E-102
E-101
TRANSFORMER MOUNTED DEVICES, LAYOUT AND DETAILS
480 VAC POWER CABINET LAYOUT
CONTROL CABINET LAYOUT
POWER AND CONTROL CABINETS
MISCELLANEOUS DETAILS
GSU TRANSFORMERS, EQUIPMENT INSTALLATION AND LAYOUT ON MOUNTING PAD
GSU TRANSFORMERS, LAYOUT AND LIMITING DIMENSIONS, SHEET 2
GSU TRANSFORMERS, LAYOUT AND LIMITING DIMENSIONS, SHEET 1
G-002
E-607
E-606
E-605
E-604
E-603
E-602
E-601
SWITCHYARD STORAGE LOCATIONS AND STAGING
115 KV GSU TRANSFORMER, REQUIREMENTS SUMMARY SHEET
230 KV GSU TRANSFORMERS, REQUIREMENTS SUMMARY SHEET
SITE LOCATION PHOTOGRAPHS
INDEX OF DRAWINGS
COVER SHEET, PROJECT LOCATION AND VICINITY MAPS
CONTROL AND POWER CABINETS EXTERNAL CONNECTIONS
ANNUNCIATOR, FUNCTIONAL REQUIREMENTS, SHEET 2
ANNUNCIATOR, FUNCTIONAL REQUIREMENTS, SHEET 1
TRANSFORMER TEMPERATURE MONITOR, FUNCTIONAL REQUIREMENTS, SHEET 2
TRANSFORMER TEMPERATURE MONITOR, FUNCTIONAL REQUIREMENTS, SHEET 1
125VDC CONTROL SCHEMATIC
480 VAC COOLING AND CONTROL SCHEMATIC
F R
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FRF7-5.001-6-9A4/4
FRF7-5.001-6-9A4/3
FRF7-5.001-6-9A4/2
FRF7-5.001-6-9A4/1
FRF7-5.001-6-9A40/4
FRF7-5.001-6-9A40/3
FRF7-5.001-6-9A40/2
FRF7-5.001-6-9A40/1
FRF7-5.001-6-9A24/7
FRF7-5.001-6-9A24/6
FRF7-5.001-6-9A24/5
FRF7-5.001-6-9A24/4
FRF7-5.001-6-9A24/3
FRF7-5.001-6-9A24/2
FRF7-5.001-6-9A24/1
MR-OPN-93E127
MR-OPN-93E126
MR-OPN-93E125
MR-OPN-83E303.10
MR6-84E56.9
MR6-84E55.7
MR6-83E811.4
MR6-83E803.4
MR6-83E802.3
MR6-83E801.3
MR6-83E800.4
MR6-83E227.5
MR6-83E221.7
MR6-83E206.2
MR6-83E205.4
MR6-81E801.7
MR6-81E450.5
MR6-81E436.3
MR6-81E427.3
MR6-81E426.2
MR6-81E401.8
MR6-81E400.7
230KV SWITCHYARD, TRANSFORMER BANK D, PLAN, SECTIONS & DETAILS
230KV SWITCHYARD, TRANSFORMER BANK C, PLAN, SECTIONS & DETAILS
230KV SWITCHYARD, TRANSFORMER BANK B, PLAN, SECTIONS & DETAILS
OPERATING DIAGRAM
SWITCHYARD ARCHITECTURAL, UNTANKING HOUSE, ELEVATIONS AND DETAILS
SWITCHYARD ARCHITECTURAL, UNTANKING HOUSE, PLANS AND SECTIONS
SWITCHYARD ELECTRICAL, UNITS 5 THRU 8, 230KV EQUIPMENT LAYOUT
SWITCHYARD ELECTRICAL, UNITS 5 THRU 8, EQUIPMENT LAYOUT
SWITCHYARD ELECTRICAL, UNITS 5 THRU 8, 230KV STRUCTURE - SECTIONS, SHEET 2
SWITCHYARD ELECTRICAL, UNITS 5 THRU 8, 230KV STRUCTURE - SECTIONS, SHEET 1
SWITCHYARD ELECTRICAL, UNITS 5 THRU 8, GENERAL PLAN
SWITCHYARD ELECTRICAL, GROUND NETWORK AND DETAILS
SWITCHYARD ELECTRICAL, POWER AND CONTROL CONDUIT, SHEET 1
SWITCHYARD ELECTRICAL, 115KV STRUCTURE SECTIONS, SHEET 2
SWITCHYARD ELECTRICAL, 115KV STRUCTURE SECTIONS, SHEET 1
SWITCHYARD, GENERAL FOUNDATION PLAN ADDITIONS, UNITS 5 TO 8 INCL.
SWITCHYARD SURFACING, DRAINAGE, TRANSFER TRACK AND FENCE PLAN
SWITCHYARD UNTANKING HOUSE, REINFORCEMENT, EL. 1272.75 FLOOR - PLAN
SWITCHYARD UNTANKING HOUSE, CONCRETE, SUPERSTRUCTURE WALLS, ELEVATIONS
SWITCHYARD UNTANKING HOUSE, CONCRETE, EL. 1272.75 FLOOR
SWITCHYARD CONCRETE, GENERAL FOUNDATION PLAN, SHEET 2
SWITCHYARD CONCRETE, GENERAL FOUNDATION PLAN, SHEET 1
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ENTRANCE TO FORT RANDALL DAM
POWERHOUSE ROAD
ENTRANCE TO FORT RANDALL DAM
POWERHOUSE ROAD
VIEW FROM PARKING LOT
TRANSFORMER UNTANKING HOUSE
ENTRANCE TO SWITCHYARD
TRANSFORMER UNTANKING HOUSE ACCESS GATE INTO SWITCHYARD
GSU TRANSFORMER BANK LAYOUT
TYPICAL EXISTING SINGLE-PHASE
VIEW FROM UNTANKING HOUSE EQUIPMENT DOOR
ACCESS CORRIDOR FOR TRANFORMER MOVEMENT
AND STORAGE AREA ADJACENT TO UNTANKING HOUSE
EXISTING BANK A 115 KV TRANSFORMERS
TRANSFORMER UNTANKING HOUSE
OVERHEAD BRIDGE CRANE INSIDE
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NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
SURGE ARRESTERS:
INSULATING OIL:
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
REQUIREMENTS SUMMARY SHEET
FORT RANDALL DAM 230 KV GSU TRANSFORMERS
(REFERENCE SPECIFICATION SECTION 48 19 23.04 26)
NAPTHENIC BASE - ASTM D 3487 TYPE II; 0.3% BY MASS OF OXIDATION INHIBITORTYPE:∙
(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
GOVERNMENT INSPECTIONS PERFORMED DURINGINSPECTIONS:∙
FOR ONE WEEK PRIOR TO OIL FILLING.
PRIMER COAT, OIL-RESISTANT FINISH COAT - WHITE. ALLOW TO CUREINTERIOR PAINT:∙
CABINETS, SHALL REMAIN UNPAINTED. COVER TO RECEIVE A NON-SLIP COATING.
5BG 7/0.4 HIGH-GLOSS. CORROSION RESISTANT SURFACES, AND STAINLESS STEEL
PRIMER COAT, EPOXY BASE COAT, POLYURETHANE TOP COAT - MUNSELLEXTERIOR PAINT:∙
MATCH-MARKED FOR EASE OF REASSEMBLY.
TRANSFORMER TO BE FULLY ASSEMBLED, WITH REMOVABLE COMPONENTSASSEMBLY:∙
60 HZFREQUENCY:∙
200 KWMAXIMUM LOAD LOSSES:∙
100 KWMAXIMUM NO-LOAD LOSSES:∙
68 DBMAXIMUM SOUND LEVEL (ONAF):∙
CONSTANT OIL PRESSURE SYSTEM (COPS) TANKOIL PRESERVATION SYSTEM:∙
65 ºCTEMPERATURE RISE:∙
5 TAPS; 2 @ +2.5%, 2 @ -2.5% OF NOMINAL 230 KV TAPSECONDARY WINDING (H) DETC:∙
9.0% @ 90,000 KVA (H-X)IMPEDANCE:∙
THREE-PHASEPHASING:∙
825 (H) / 110 (X) / 150 (H0)BIL LEVELS, KV:∙
230,000 GRDY (H) - 13,800 DELTA (X)VOLTAGE RATINGS:∙
90,000 / 120,000KVA RATING:∙
ONAN/ONAFCOOLING CLASS:∙
CLASS II GSU POWER TRANSFORMERTYPE:∙
AT TRANSFORMER BASE.
THE DISCHARGE COUNTERS, AND FROM THE DISCHARGE COUNTERS TO A GROUND PAD
#4/0 AWG INSULATED GROUNDING CONDUCTORS FROM ARRESTERS TOGROUNDING:∙
48 19 23.04 26, PARAGRAPH 2.10.1)
OF THE EXISTING ARRESTERS (NAMEPLATE INFORMATION INCLUDED IN SECTION
REMOVABLE BRACKETS ON TOP OF TRANSFORMER, DESIGNED FOR MOUNTINGMOUNTING: ∙
∙ NO SURGE ARRESTERS TO BE PROVIDED (TO BE INSTALLED UNDER SEPARATE CONTRACT)
∙ ANALOG TEMPERATURE GAGE FUNCTIONAL VERIFICATION
∙ BUSHING CURRENT TRANSFORMER ROUTINE TESTS
AND POWER FACTOR TESTS DURING TRANSFORMER F.A.T.
∙ EACH HIGH-VOLTAGE AND HIGH-VOLTAGE NEUTRAL BUSHING SHALL UNDERGO CAPACITANCE
∙ ALL ELECTRICAL AND ELECTO-MECHANICAL DEVICES SHALL BE FUNCTIONALLY TESTED
∙ DE-ENERGIZED TAP CHANGER MECHANICAL OPERATIONAL TEST (5 COMPLETE CYCLES)
SHIPPING CONFIGURATION
- ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER IN THE
OIL FILLED
- ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER FULLY ASSEMBLED AND
- 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 230 KV TRANSFORMER
∙ LIGHTNING IMPULSE TESTS
230 KV TRANSFORMER
∙ TEMPERATURE RISE TESTS SHALL BE PERFORMED AT EACH COOLING STAGE ON ONE
∙ ALL 'ROUTINE' TESTS (IEEE C57.12.00, TABLE 17)
G-004
INSTALLATION OF ARRESTERS.
ARRESTER SUPPORTS AND GROUND CONDUCTORS FOR FUTUREARRESTER MOUNTS:∙
: VERTICAL-DRAFTCOOLING FANS∙
HOT-DIP GALVANIZED.RADIATORS:∙
STEEL. MAXIMUM DESIGN FLUX DENSITY OF 1.75 TESLA. STEP-LAP CONSTRUCTION.
LAMINATIONS MAXIMUM THICKNESS OF 0.270MM, COLD-ROLLED, GRAIN-ORIENTEDCORE:∙
SEISMIC CALCULATIONS REQUIRED FOR MAIN TANK AND ALL MAJOR COMPONENTS.SEISMIC:∙
DESIGN LOADS FOR EACH EYE SHALL BE TWO TIMES THE ACTUAL LOAD.LIFTING EYES:∙
DESIGNED FOR PAD MOUNTING WITH SEISMIC WELDING TO STEEL PLATES.BASE:∙
AND LOCKABLE LADDER GUARD, POWDER-COATED YELLOW.
FIXED STEEL LADDER WITH WALK-THRU HANDRAIL ACCESS, SAFETY CAGEACCESS LADDER:∙
POST.
DBI-SALA MODEL 8517412, DESIGNED FOR USE WITH THE DBI-SALA FALL ARREST ANCHOR
UNI-ANCHOR PLATE AND LUG,PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATE: ∙
GROUND PAD AT BASE OF TANK.
#4/0 INSULATED COPPER CONDUCTOR FROM NEUTRAL BUSHING TO TANKGROUNDING:∙
STAINLESS STEEL BALL-TYPE (RADIATORS MAY USE BUTTERFLY-TYPE)VALVES:∙
BE USED FOR GASKET GROOVES OF RECTANGULAR CROSS-SECTION.
THAT THE LOW-VOLTAGE BUSHING GASKETS WILL BE VITON. O-RING GASKETS SHALL NOT
NITRILE NBR (BUNA-N), DURO 50-60, 25% COMPRESSION, WITH THE EXCEPTIONGASKETS:∙
24-INCH DIAMETER (MINIMUM TWO)MAN-HOLE:∙
230 KV TRANSFORMER SPECIFIC
COMMON FOR 230 KV AND 115 KV TRANSFORMERS
F R
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∙ (QTY 1): BUSHING CURRENT TRANSFORMER OF EACH TYPE AND RATING
∙ (QTY 3): SET OF GASKETS FOR TRANSFORMER REASSEMBLY
∙ (QTY 1): COMPLETE GASKET SET
∙ (QTY 1): 25 KV HIGH-VOLTAGE NEUTRAL BUSHING
∙ (QTY 2): 230 KV HIGH-VOLTAGE WINDING BUSHING
∙ (QTY 1): VALVE OF EACH SIZE AND TYPE
∙ (QTY 1): FUSE OF EACH TYPE AND RATING
PLATE TO THE TRANSFORMER TEMPERATURE MONITOR FIBER-OPTIC MODULE
∙ (QTY 10): FIBER OPTIC EXTENSION CABLE THAT CONNECTS THE FEED-THROUGH WALL
∙ (QTY 3): COOLING FAN COMPLETE WITH MOTOR
∙ (QTY 1): GAS DETECTOR RELAY
∙ (QTY 1): OIL TEMPERATURE INDICATOR
∙ (QTY 1): WINDING TEMPERATURE INDICATOR
∙ (QTY 1): LIQUID LEVEL INDICATOR
∙ (QTY 1): TRANSFORMER TEMPERATURE MONITOR MODULE OF EACH TYPE
∙ (QTY 1): ELECTRONIC PRESSURE MONITOR AND TWO PRESSURE TRANSDUCERS
∙ (QTY 1): PRESSURE RELIEF DEVICE
∙ (QTY 1): RELAY AND CONTACTOR OF EACH TYPE AND RATING
∙ (QTY 1): ANNUNCIATOR
∙ (QTY 2): 25 KV LOW-VOLTAGE WINDING BUSHING
OR STAINLESS STEEL WITH ENGRAVED BLACK LETTERING.
NAMEPLATES WITHIN THE CONTROL AND POWER CABINETS SHALL BE ANODIZED ALUMINUM
LOW-VOLTAGE BUSHINGS MADE OF STAINLESS STEEL WITH BLACK LETTERING. DEVICE
EQUIPMENT NAMEPLATES SHALL BE PROVIDED FOR THE HIGH-VOLTAGE BUSHINGS AND
DIAGRAM NAMEPLATE FOR SLING LOCATIONS AND LIFT POSITIONS SHALL ALSO BE PROVIDED.
AND VACUUM THE TANK WILL WITHSTAND, AND CALCULATED X/R RATIO. AN ADDITIONAL
MANUFACTURING DATE, PLANT LOCATION, GOVERNMENT CONTRACT NUMBER, PRESSURE
CAST BRONZE OR STAINLESS STEEL; IEEE C57.12.00, TABLE 7, INCLUDINGNAMEPLATES:∙
- FOLD-DOWN MAINTENANCE TRAY ON INSIDE OF CONTROL CABINET DOOR.
GRADE HUMIDISTAT / THERMOSTAT CONTROL.
- PTC RESISTOR DESIGN ENCLOSURE HEATERS WITH INTEGRAL FANS, AND INDUSTRIAL
CABINET.
- 120 V AC, 20 A HOSPITAL GRADE GFCI RECEPTACLE MOUNTED INSIDE THE CONTROL
- 120 V AC, 1,000 LUMEN LED TYPE A19 LAMPS WITH DOOR-ACTUATED SWITCH.
IN POWER CABINET.
- ALL CIRCUITS, WIRING AND EQUIPMENT RATED GREATER THAN 120 V AC TO BE MOUNTED
PROVIDED IN CABINET DOOR FOR VIEWING.
ON SWING PANEL WITHIN CONTROL CABINET, WITH WEATHERPROOF WINDOW
- TRANSFORMER TEMPERATURE MONITOR (QUALITROL QTMS), WITH HMI MODULE MOUNTED
CABINET, WITH WEATHERPROOF WINDOW PROVIDED IN CABINET DOOR FOR VIEWING.
- TWO 10 PT. ANNUNCIATORS (SEL MODEL 2533) MOUNTED ON SWING PANEL WITHIN CONTROL
SERIES 24)
- LOCKOUT RELAY WITH TRIP COIL MONITORING AND INDICATORS (ELECTROSWITCH
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 35,000 A INTERRUPTING AT 480 VAC
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 OR 120 V AC; MEETS REQUIREMENTS OF NEMA ICS5; 10 A CONTACTS
AUXILIARY RELAYS:∙
600 V, 30 A MINIMUM, 90 ºC RATED TERMINATIONS.TERMINAL BLOCKS:∙
WITH CAST COVERS AND LIQUID-TIGHT HUBS.
JOINT COMPOUND APPLIED. OUTLET AND JUNCTION BOXES SHALL BE CAST ALUMINUM
CHANNELS NOT ALLOWED. ALL CONDUIT THREADED JOINTS SHALL HAVE A CONDUCTIVE
ALL WIRING TO BE RUN IN CONDUIT. WIRE RUNS THROUGH TANK REINFORCINGCONDUIT:∙
GROUND - GREEN/YELLOW
PHASE B - ORANGE; PHASE C - YELLOW; GROUNDED NEUTRAL - WHITE; INSULATED
XLPE; 3-PHASE POWER CONDUCTORS COLOR CODED: PHASE A - BROWN;WIRING:∙
POWER - 125 V DC; COOLING FANS - 480 V AC, 3-WIRE, 3-PHASE, 60 HZ
CONTROL POWER - 125 V DC; ANNUNCIATIONGOVERNMENT-FURNISHED POWER:∙
IN CONTROL CABINET. SOLAR SHIELDING ON TOP, FRONT AND SIDE PANELS OF ENCLOSURES.
PROVISIONS. WINDOWS FOR VIEWING THE TEMPERATURE MONITOR AND ANNUNCIATOR
WEATHER-PROOF TYPE 304 STAINLESS STEEL WITH LOCKINGCABINET MATERIAL:∙
(DBI-SALA, MODEL 8516691)
∙ PORTABLE FALL ARREST SYSTEM ANCHOR POST WITH DAVIT ARM
∙ MAINTENANCE-FREE DEHYDRATING BREATHER (MESSKO, MODEL DB200G GAMMA)
∙ ELECTRONIC PRESSURE MONITOR, WITH THREE SENSORS ON MAIN TANK (QUALITROL,MODEL 930)
WINDING TEMPERATURE MEASUREMENT (QUALITROL, MODEL QTMS)
∙ TRANSFORMER TEMPERATURE MONITOR WITH COOLING CONTROLS AND FIBER-OPTIC
∙ ON-LINE DISSOLVED GAS AND MOISTURE CONTENT MONITOR (SERVERON, MODEL TM8)
∙ DIRECTED-FLOW PRESSURE RELIEF DEVICE WITH METAL DISCHARGE PIPING (QUALITROL, MODEL XPRD)
∙ GAS DETECTOR RELAY ON TOP OF CONSERVATOR TANK (ABB, MODEL 12)
∙ OIL LEVEL INDICATOR ON CONSERVATOR TANK (MESSKO, MODEL MTO)
∙ WTI AND OTI GAUGES WITH RTDS (MESSKO TRASY2, MODEL MT-ST160)
2.5 KV CLASS, 45 KV BIL, 100 AMPSFRA TEST SHIPPING BUSHING:∙
2.5 KV CLASS, 45 KV BIL, 100 AMPCORE GROUNDS:∙
METERING ACCURACY, C400 MINIMUM RELAYING ACCURACY)
IMPREGNATED SYNTHETIC (RIS) CONDENSER CORE DESIGN (ONE 800:5 CT, 0.3B-1.8
25 KV CLASS, 200 KV BIL, 400 AMP, COMPOSITE EXTERIOR WITH RESIN-NEUTRAL (H0):∙
INDICATING EQUIPMENT OR TRANSFORMER TEMPERATURE MONITOR SYSTEM)
(BUSHING CURRENT TRANSFORMERS AS REQUIRED FOR THE WINDING TEMPERATURE
BULK-TYPE, LOW-CORONA, LIGHT CONTAMINATION, 125 ºC TEMPERATURE RISE RATING
25 KV CLASS, 150 KV BIL, 6,000 AMP, PORCELAIN CONSTRUCTION,PRIMARY WINDING (X):∙
0.3B-1.8 METERING ACCURACY, C400 RELAYING ACCURACY)
RESIN-IMPREGNATED SYNTHETIC (RIS) CONDENSER CORE DESIGN (TWO 600:5 MRCT,
230 KV CLASS, 900 KV BIL, 400 AMP, COMPOSITE EXTERIOR WITHSECONDARY WINDING (H):∙
W F -1
-R -0
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NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
SURGE ARRESTERS:
INSULATING OIL:
SEPARATE CONTROL AND POWER CABINETS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
(REFERENCE SPECIFICATION SECTION 48 19 23.04 26)
NAPTHENIC BASE - ASTM D 3487 TYPE II; 0.3% BY MASS OF OXIDATION INHIBITORTYPE:∙
(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
GOVERNMENT INSPECTIONS PERFORMED DURINGINSPECTIONS:∙
FOR ONE WEEK PRIOR TO OIL FILLING.
PRIMER COAT, OIL-RESISTANT FINISH COAT - WHITE. ALLOW TO CUREINTERIOR PAINT:∙
CABINETS, SHALL REMAIN UNPAINTED. COVER TO RECEIVE A NON-SLIP COATING.
5BG 7/0.4 HIGH-GLOSS. CORROSION RESISTANT SURFACES, AND STAINLESS STEEL
PRIMER COAT, EPOXY BASE COAT, POLYURETHANE TOP COAT - MUNSELLEXTERIOR PAINT:∙
MATCH-MARKED FOR EASE OF REASSEMBLY.
TRANSFORMER TO BE FULLY ASSEMBLED, WITH REMOVABLE COMPONENTSASSEMBLY:∙
∙ ANALOG TEMPERATURE GAGE FUNCTIONAL VERIFICATION
∙ BUSHING CURRENT TRANSFORMER ROUTINE TESTS
AND POWER FACTOR TESTS DURING TRANSFORMER F.A.T.
∙ EACH HIGH-VOLTAGE AND HIGH-VOLTAGE NEUTRAL BUSHING SHALL UNDERGO CAPACITANCE
∙ ALL ELECTRICAL AND ELECTO-MECHANICAL DEVICES SHALL BE FUNCTIONALLY TESTED
∙ DE-ENERGIZED TAP CHANGER MECHANICAL OPERATIONAL TEST (5 COMPLETE CYCLES)
SHIPPING CONFIGURATION
OIL FILLED - ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER IN THE
- ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER FULLY ASSEMBLED AND
- 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
∙ LIGHTNING IMPULSE TESTS
∙ TEMPERATURE RISE TESTS SHALL BE PERFORMED AT EACH COOLING STAGE
∙ ALL 'ROUTINE' TESTS (IEEE C57.12.00, TABLE 17)
REQUIREMENTS SUMMARY SHEET
FORT RANDALL DAM 115KV GSU TRANSFORMER
60 HZFREQUENCY:∙
200 KWMAXIMUM LOAD LOSSES:∙
60 KWMAXIMUM NO-LOAD LOSSES:∙
68 DBMAXIMUM SOUND LEVEL (ONAF):∙
CONSTANT OIL PRESSURE SYSTEM (COPS) TANKOIL PRESERVATION SYSTEM:∙
65 ºCTEMPERATURE RISE:∙
5 TAPS; 2 @ +2.5%, 2 @ -2.5% OF NOMINAL 115 KV TAPSECONDARY WINDING (H) DETC:∙
8.5% @ 90,000 KVA (H-X)IMPEDANCE:∙
THREE-PHASEPHASING:∙
550(H) / 110 (X) / 150 (H0)BIL LEVELS, KV:∙
115,000 GRDY (H) - 13,800 DELTA (X)VOLTAGE RATINGS:∙
90,000 / 120,000KVA RATING:∙
ONAN/ONAFCOOLING CLASS:∙
CLASS II GSU POWER TRANSFORMERTYPE:∙
AT TRANSFORMER BASE
THE DISCHARGE COUNTERS, AND FROM THE DISCHARGE COUNTERS TO A GROUND PAD
#4/0 AWG INSULATED GROUNDING CONDUCTORS FROM ARRESTERS TOGROUNDING:∙
48 19 23.04 26, PARAGRAPH 2.10.1)
OF THE EXISTING ARRESTERS (NAMEPLATE INFORMATION INCLUDED IN SECTION
REMOVABLE BRACKETS ON TOP OF TRANSFORMER, DESIGNED FOR MOUNTINGMOUNTING: ∙
∙ NO SURGE ARRESTERS TO BE PROVIDED (TO BE INSTALLED UNDER SEPARATE CONTRACT)
OR STAINLESS STEEL WITH ENGRAVED BLACK LETTERING.
NAMEPLATES WITHIN THE CONTROL AND POWER CABINETS SHALL BE ANODIZED ALUMINUM
LOW-VOLTAGE BUSHINGS MADE OF STAINLESS STEEL WITH BLACK LETTERING. DEVICE
EQUIPMENT NAMEPLATES SHALL BE PROVIDED FOR THE HIGH-VOLTAGE BUSHINGS AND
DIAGRAM NAMEPLATE FOR SLING LOCATIONS AND LIFT POSITIONS SHALL ALSO BE PROVIDED.
AND VACUUM THE TANK WILL WITHSTAND, AND CALCULATED X/R RATIO. AN ADDITIONAL
MANUFACTURING DATE, PLANT LOCATION, GOVERNMENT CONTRACT NUMBER, PRESSURE
CAST BRONZE OR STAINLESS STEEL; IEEE C57.12.00, TABLE 7, INCLUDINGNAMEPLATES:∙
- FOLD-DOWN MAINTENANCE TRAY ON INSIDE OF CONTROL CABINET DOOR.
HUMIDISTAT / THERMOSTAT CONTROL.
- PTC RESISTOR DESIGN ENCLOSURE HEATERS WITH INTEGRAL FANS, AND INDUSTRIAL GRADE
CABINET.
- 120 V AC, 20 A HOSPITAL GRADE GFCI RECEPTACLE MOUNTED INSIDE THE CONTROL
- 120 V AC, 1,000 LUMEN LED TYPE A19 LAMPS WITH DOOR-ACTUATED SWITCH.
IN POWER CABINET.
- ALL CIRCUITS, WIRING AND EQUIPMENT RATED GREATER THAN 120 V AC TO BE MOUNTED
PROVIDED IN CABINET DOOR FOR VIEWING.
ON SWING PANEL WITHIN CONTROL CABINET, WITH WEATHERPROOF WINDOW
- TRANSFORMER TEMPERATURE MONITOR (QUALITROL QTMS), WITH HMI MODULE MOUNTED
CABINET, WITH WEATHERPROOF WINDOW PROVIDED IN CABINET DOOR FOR VIEWING.
- TWO 10 PT. ANNUNCIATORS (SEL MODEL 2533) MOUNTED ON SWING PANEL WITHIN CONTROL
SERIES 24)
- LOCKOUT RELAY WITH TRIP COIL MONITORING AND INDICATORS (ELECTROSWITCH
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 35,000 A INTERRUPTING AT 480 VAC.
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 OR 120 V AC; MEETS REQUIREMENTS OF NEMA ICS5; 10 A CONTACTS
AUXILIARY RELAYS:∙
600 V, 30 A MINIMUM, 90 ºC RATED TERMINATIONS.TERMINAL BLOCKS:∙
WITH CAST COVERS AND LIQUID-TIGHT HUBS.
JOINT COMPOUND APPLIED. OUTLET AND JUNCTION BOXES SHALL BE CAST ALUMINUM
CHANNELS NOT ALLOWED. ALL CONDUIT THREADED JOINTS SHALL HAVE A CONDUCTIVE
ALL WIRING TO BE RUN IN CONDUIT. WIRE RUNS THROUGH TANK REINFORCINGCONDUIT:∙
GROUND - GREEN/YELLOW
PHASE B - ORANGY; PHASE C - YELLOW; GROUNDED NEUTRAL - WHITE; INSULATED
XLPE; 3-PHASE POWER CONDUCTORS COLOR CODED: PHASE A - BROWN;WIRING:∙
POWER - 125 V DC; COOLING FANS - 480 V AC, 3-WIRE, 3-PHASE, 60 HZ
CONTROL POWER - 125 V DC; ANNUNCIATIONGOVERNMENT-FURNISHED POWER:∙
IN CONTROL CABINET. SOLAR SHIELDING ON TOP, FRONT AND SIDE PANELS OF ENCLOSURES.
PROVISIONS. WINDOWS FOR VIEWING THE TEMPERATURE MONITOR AND ANNUNCIATOR
WEATHER-PROOF TYPE 304 STAINLESS STEEL WITH LOCKINGCABINET MATERIAL:∙
SPARE PARTS:
115 KV TRANSFORMER SPECIFIC
F R
F .0
G -0
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F R
F -5 .0
-0 -0 /5
G-005
COMMON FOR 230 KV AND 115 KV TRANSFORMERS
∙ (QTY 1): VALVE OF EACH SIZE AND TYPE
∙ (QTY 1): FUSE OF EACH TYPE AND RATING
PLATE TO THE TRANSFORMER TEMPERATURE MONITOR FIBER-OPTIC MODULE
∙ (QTY 10): FIBER OPTIC EXTENSION CABLE THAT CONNECTS THE FEED-THROUGH WALL
∙ (QTY 3): COOLING FAN COMPLETE WITH MOTOR
∙ (QTY 1): GAS DETECTOR RELAY
∙ (QTY 1): OIL TEMPERATURE INDICATOR
∙ (QTY 1): WINDING TEMPERATURE INDICATOR
∙ (QTY 1): LIQUID LEVEL INDICATOR
∙ (QTY 1): TRANSFORMER TEMPERATURE MONITOR MODULE OF EACH TYPE
∙ (QTY 1): ELECTRONIC PRESSURE MONITOR AND TWO PRESSURE TRANSDUCERS
∙ (QTY 1): PRESSURE RELIEF DEVICE
∙ (QTY 1): RELAY AND CONTACTOR OF EACH TYPE AND RATING
∙ (QTY 1): ANNUNCIATOR
∙ (QTY 2): 25 KV LOW-VOLTAGE WINDING BUSHING
∙ (QTY 1): BUSHING CURRENT TRANSFORMER OF EACH TYPE AND RATING
∙ (QTY 1): SET OF GASKETS FOR TRANSFORMER REASSEMBLY
∙ (QTY 1): COMPLETE GASKET SET
∙ (QTY 1): 25 KV HIGH-VOLTAGE NEUTRAL BUSHING
∙ (QTY 1): 138 KV HIGH-VOLTAGE WINDING BUSHING
INSTALLATION OF ARRESTERS.
ARRESTER SUPPORTS AND GROUND CONDUCTORS FOR FUTURE∙ ARRESTER MOUNTS:
VERTICAL-DRAFT∙ COOLING FANS:
HOT-DIP GALVANIZED.RADIATORS:∙
STEEL. MAXIMUM DESIGN FLUX DENSITY OF 1.75 TESLA. STEP-LAP CONSTRUCTION.
LAMINATIONS MAXIMUM THICKNESS OF 0.270MM, COLD-ROLLED, GRAIN-ORIENTEDCORE:∙
SEISMIC CALCULATIONS REQUIRED FOR MAIN TANK AND ALL MAJOR COMPONENTS.SEISMIC:∙
DESIGN LOADS FOR EACH EYE SHALL BE TWO TIMES THE ACTUAL LOAD.LIFTING EYES:∙
DESIGNED FOR PAD MOUNTING WITH SEISMIC WELDING TO STEEL PLATES.BASE:∙
AND LOCKABLE LADDER GUARD, POWDER-COATED YELLOW.
FIXED STEEL LADDER WITH WALK-THRU HANDRAIL ACCESS, SAFETY CAGE∙ ACCESS LADDER:
POST.
DBI-SALA MODEL 8517412, DESIGNED FOR USE WITH THE DBI-SALA FALL ARREST ANCHOR
UNI-ANCHOR PLATE AND LUG,PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATE: ∙
GROUND PAD AT BASE OF TANK.
#4/0 INSULATED COPPER CONDUCTOR FROM NEUTRAL BUSHING TO TANKGROUNDING:∙
STAINLESS STEEL BALL-TYPE (RADIATORS MAY USE BUTTERFLY-TYPE)VALVES:∙
BE USED FOR GASKET GROOVES OF RECTANGULAR CROSS-SECTION.
THAT THE LOW-VOLTAGE BUSHING GASKETS WILL BE VITON. O-RING GASKETS SHALL NOT
NITRILE NBR (BUNA-N), DURO 50-60, 25% COMPRESSION, WITH THE EXCEPTIONGASKETS:∙
24-INCH DIAMETER (MINIMUM TWO)MAN-HOLE:∙
(DBI-SALA, MODEL 8516691)
∙ PORTABLE FALL ARREST SYSTEM ANCHOR POST WITH DAVIT ARM
∙ MAINTENANCE-FREE DEHYDRATING BREATHER (MESSKO, MODEL DB200G GAMMA)
∙ ELECTRONIC PRESSURE MONITOR, WITH THREE SENSORS ON MAIN TANK (QUALITROL, MODEL 930)
WINDING TEMPERATURE MEASUREMENT (QUALITROL, MODEL QTMS)
∙ TRANSFORMER TEMPERATURE MONITOR WITH COOLING CONTROLS AND FIBER-OPTIC
∙ ON-LINE DISSOLVED GAS AND MOISTURE CONTENT MONITOR (SERVERON, MODEL TM8)
∙ DIRECTED-FLOW PRESSURE RELIEF DEVICE WITH METAL DISCHARGE PIPING (QUALITROL, MODEL XPRD)
∙ GAS DETECTOR RELAY ON TOP OF CONSERVATOR TANK (ABB MODEL 12)
∙ OIL LEVEL INDICATOR ON CONSERVATOR TANK (MESSKO, MODEL MTO)
∙ WTI AND OTI GAUGES WITH RTDS (MESSKO TRASY2, MODEL MT-ST160)
2.5 KV CLASS, 45 KV BIL, 100 AMPSFRA TEST SHIPPING BUSHING:∙
2.5 KV CLASS, 45 KV BIL, 100 AMPCORE GROUNDS:∙
C400 RELAYING ACCURACY)
IMPREGNATED SYNTHETIC (RIS) CONDENSER CORE (ONE 800:5 CT, 0.3B-1.8 METERING ACCURACY, 25 KV CLASS, 200 KV BIL, 800 AMP, COMPOSITE EXTERIOR WITH RESIN-NEUTRAL (H0):∙
INDICATING EQUIPMENT OR TRANSFORMER TEMPERATURE MONITORING SYSTEM)
(BUSHING CURRENT TRANSFORMERS AS REQUIRED FOR THE WINDING TEMPERATURE
BULK-TYPE, LOW-CORONA, LIGHT CONTAMINATION, 125 ºC TEMPERATURE RISE RATING
25 KV CLASS, 150 KV BIL, 6,000 AMP, PORCELAIN CONSTRUCTION,PRIMARY WINDING (X):∙
ACCURACY, C400 RELAYING ACCURACY)
RESIN-IMPREGNATED SYNTHETIC (RIS) CONDENSER CORE (TWO 1200:5 MRCT, 0.3B-1.8 METERING
138 KV CLASS, 650 KV BIL, 800 AMP, COMPOSITE EXTERIOR WITHSECONDARY WINDING (H):∙
W F -1
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(APPROX. 25'x25')
STORAGE AREA
ACCESSORY CRATE
NOTES:
REASSEMBLY AND MOVEMENT, AND FOR STAGING PURPOSES.
TEMPORARY STORAGE OF MATERIALS DURING TRANSFORMER SITE
THE LOCATION AS INDICATED MAY BE USED BY THE CONTRACTOR FOR1.
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SEGMENT
3 HIGH-VOLTAGE (H) BUSHING
NOTES:
QTY
BILL OF MATERIALS
ITEM DESCRIPTION
JACK PAD (TYPICAL)
3-INCH VACUUM VALVE
BRACKETS FOR WELDING BASE TO PAD (SHEET S-101)
RADIATOR (TYPICAL)
ANALOG TEMPERATURE GAUGES
RADIATOR ISOLATION VALVE
LIFTING EYE (TYPICAL)
SKID-TYPE STRUCTURAL BASE
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE (X) BUSHING
SURGE ARRESTER MOUNTING BRACKET
CONSTANT OIL PRESSURE SYSTEM (COPS) TANK
3 - COVER
2 - COVER
1 - COVER
OIL LEVEL INDICATOR
AS DES.
AS DES.
CONTROL CABINET
AS DES. THERMOWELLS
AS DES. TRANSFORMER NAMEPLATE LOCATION1
COVER
3-INCH MAIN OIL DRAIN VALVE
COVER
1-INCH COPS TANK DRAIN VALVE
1.5-INCH ELECTRONIC PRESSURE MONITOR SENSORS VALVE
GAS-IN-OIL MONITORING EQUIPMENT MOUNTING UNISTRUTAS DES.
1,3
1,3
1,2,3,4
6 1 3 SURGE ARRESTER DISCHARGE COUNTER
ELEVATION - SEGMENT 1
NOT TO SCALE
NOT TO SCALE
PLAN - COVER
(SEE NOTE 7)
S
E E N
O T
E
M A
X
375" (MAX.)
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
SEGMENT 2 SEGMENT 4
BUSHING SIDE)
(LOW-VOLTAGE
SEGMENT 1
FIGURE 1
IDENTIFICATION (TOP VIEW)
TRANSFORMER TANK SEGMENT
264" (MAX.)
BRAND NAME OR EQUAL MODEL NUMBER
1 POWER CABINET
29 1
30 2-INCH GAS-IN-OIL MONITOR VALVE
33 1, COVER
25 26
30 21
G S
U T
R A
N S
F O
R M
E R
L A
Y O
U T A
N D L
IM
IT
IN
G D
IM
E N
S
IO
N S
S H
E E
T
B
B O
U W
M A
N
D F
IL
E R
D F
IL
E R
A N
S I
D
F R
F -5 .0
-6 -9
A /1
MOSER GLASER
MOSER GLASER
ABB
QUALITROL XPRD
SERVERON TM8
930QUALITROLELECTRONIC PRESSURE MONITOR
GAS-IN-OIL MONITORING EQUIPMENT
PRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
FIXED LADDER WITH SAFETY CAGE AND LOCKABLE LADDER GUARD
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
COTTERMAN TYPE FWC
SERIES MTO
H2 H3
X1 X2 X3
H1
X1
H1
X2 X3
H3H2
SURGE ARRESTER (NOTE 6)
NORMANDY MACHINE CO. 82-8001
TYPE LCRJ
BOWTHORPE TYPE SC13
TRAVESCA, TYPE RIS
TRAVESCA, TYPE RIS
114 1 MAINTENANCE-FREE DEHYDRATING BREATHER1
M A
X
IM
U M
NOTES:
35 AS DES. COVER MANHOLE ACCESS COVER
45 AS DES. COVER FALL ARREST SYSTEM MOUNTING BASE DBI-SALA 854712
24"24"
2-INCH LOWER FILTER VALVE
2-INCH UPPER FILTER VALVE
36 1 3 LOW-VOLTAGE BUSHING HANDHOLE ACCESS COVER
L(TANK)C
L C
MESSKO TRASY2, SERIES MT-ST160
MESSKO
MESSKO MTRAB, DB200G
47 COVER1 GAS DETECTOR RELAY ABB MODEL 12
E-101
F R
F .0
E -1
.d g n
RECOMMENDED BY THE DEVICE MANUFACTURER.
QUALTROL THREE-PORT TRANSDUCER MANIFOLD, IN A LOCATION AS
SHALL BE INSTALLED ON A fLANGED VALVE ON THE TANK UTILIZING A
A TOTAL OF THREE ELECTRONIC PRESSURE MONITOR TRANSDUCERS5.
INDICATE THE ACTUAL QUANTITY OF RADIATORS OR FANS.
THE DIRECTION OF FAN AIR FLOW, AND ARE NOT INTENDED TO
THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS AND4.
HAVE BEEN INDICATED WITH DASHED LINES.
FOR THE PURPOSES OF DRAWING CLARITY, SOME EQUIPMENT LOCATIONS3.
F. JACKING PADS AND STRUCTURAL BASE CHANNELS
E. ANCILLARY DEVICES
D. CONTROL AND POWER CABINETS
C. COPS TANK
B. SURGE ARRESTERS
A. HIGH-VOLTAGE AND LOW-VOLTAGE BUSHINGS
CONSIDERED CRITICAL TO ASSURE PROPER INTERCONNECTION:
THE LOCATIONS OF THE FOLLOWING ANCILLARY EQUIPMENT ARE
APPLICABLE TO BOTH THE 115 KV AND 230 KV TRANSFORMER DESIGNS.
POWER PLANT. THE LIMITING DIM ENSIONS INDICATED ARE
TRANSFORMERS FOR PROPER INTERCONNECTION TO THE EXISTING
PROVIDED FOR THE MANUFACTURER'S USE IN DESIGNING THE
THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
CENTERLINE OF THE ACCESS DOOR.
DOOR, WITH THE CENTERLINE OF THE TANK ALIGNED WITH THE
TRANSFORMER THROUGH THE UNTANKING HOUSE ACCESS
TRANSFORMER IS TO ALLOW MOVEMENT OF THE
THE MAXIMUM ALLOWABLE WIDTH OF THE ASSEMBLED8.
TAKEOFF TOWER SUPPORT COLUMNS.
PERMANENT LOCATION MOUNTING PAD, BETWEEN THE
OF THE TRANSFORMER FROM THE UNTANKING HOUSE TO THE
ASSOCIATED MOUNTING BRACKETS, IS TO ALLOW MOVEMENT
TRANSFORMER, NOT INCLUDING THE CONSERVATOR TANK AND
THE MAXIMUM ALLOWABLE LENGTH OF THE ASSEMBLED7.
ARRESTER MOUNTS.
SHALL BE PROVIDED AND COORDINATED WITH THE SURGE
HARDWARE, INSULATING SUB-BASES AND GROUND CONDUCTORS
CONTRACTOR. THE MOUNTING BRACKETS, MOUNTING
BE REUSED AND INSTALLED BY THE SEPARATE INSTALLATIONS
SPECIFICATIONS SECTION 48 19 23.04 26, PARAGRAPH 2.10) WILL
EXISTING INSTALLED POWER TRANSFORMERS (SEE
THE SURGE ARRESTERS WHICH ARE PRESENTLY IN USE ON THE6.
GAS-IN-OIL MONITORING EQUIPMENT HELIUM CYLINDER
CORE & CORE FRAME GROUND BUSHINGS (SEE SHEET E-103)
W F -1
-R -0
R
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B
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2 3 4 5 6 7 8 9 10
SHEET ID
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US Army Corps ®of Engineers
US Army Corps
D R
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IS
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R
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IT
IN
G D
IM
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S
IO
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G S
U T
R A
N S
F O
R M
E R
E-102
A N
S I
D
F R
F -5 .0
-6 -9
A /2
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
SEGMENT
3 HIGH-VOLTAGE (H) BUSHING
NOTES:
QTY
BILL OF MATERIALS
ITEM DESCRIPTION
JACK PAD (TYPICAL)
3-INCH VACUUM VALVE
BRACKETS FOR WELDING BASE TO PAD (SHEET S-101)
RADIATOR (TYPICAL)
RADIATOR ISOLATION VALVE
LIFTING EYE (TYPICAL)
SKID-TYPE STRUCTURAL BASE
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE (X) BUSHING
SURGE ARRESTER MOUNTING BRACKET
CONSTANT OIL PRESSURE SYSTEM (COPS) TANK
3 - COVER
2 - COVER
1 - COVER
OIL LEVEL INDICATOR
AS DES.
AS DES.
CONTROL CABINET
3-INCH MAIN OIL DRAIN VALVE
COVER
1-INCH COPS TANK DRAIN VALVE
1.5-INCH ELECTRONIC PRESSURE MONITOR SENSORS VALVE
1,3
1,3
1,2,3,4
SURGE ARRESTER (GOVERNMENT FURNISHED EQUIPMENT) (NOTE 5)
FIGURE 1
IDENTIFICATION (TOP VIEW)
TRANSFORMER TANK SEGMENT
BRAND NAME OR EQUAL MODEL NUMBER
1 POWER CABINET
29 1
30 2-INCH GAS-IN-OIL MONITOR VALVE
33 1, COVER
MOSER GLASER
MOSER GLASER
ABB
QUALITROL XPRDPRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
FIXED LADDER WITH SAFETY CAGE AND LOCKABLE LADDER GUARD
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
COTTERMAN TYPE FWC
QUALITROL SERIES 042
ELEVATION - SEGMENT 2
NOT TO SCALE
ELEVATION - SEGMENT 4
NOT TO SCALE
ELEVATION - SEGMENT 3
NOT TO SCALE
AS DES.10 3 VERTICAL DRAFT COOLING FAN
10 9
KRENZ-VENT SERIES F26
114 2 MAINTENANCE FREE DEHYDRATING BREATHER QUALITROL STB-100
14 1617
16 17
30 31
1 DETC HANDWHEEL
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
BUSHING SIDE)
(LOW-VOLTAGE
SEGMENT 1
SEGMENT 4 SEGMENT 2
TYPE LCRJ
TRAVESCA, TYPE RIS
TRAVESCA, TYPE RIS
40 1 4 DETC CONTACTS HANDHOLE ACCESS COVER
16 6 SURGE ARRESTER DISCHARGE COUNTERS BOWTHORPE SC13
46 1
2-INCH LOWER FILTER VALVE
2-INCH UPPER FILTER VALVE
2 AUXILIARY POWER TRANSFORMER DONGAN SERIES ES-11
47 1 COVER GAS DETECTOR RELAY ABB MODEL 12
F R
F .0
E -1
.d g n
GAS-IN-OIL MONITORING EQUIPMENT HELIUM CYLINDER
THE SURGE ARRESTER MOUNTS.
GROUND CONDUCTORS SHALL BE PROVIDED AND COORDINATED WITH
BRACKETS, MOUNTING HARDWARE, INSULATING SUB-BASES AND
THE SEPARATE INSTALLATIONS CONTRACTOR. THE MOUNTING
48 19 23.04 26, PARAGRAPH 2.10) WILL BE REUSED AND INSTALLED BY
INSTALLED POWER TRANSFORMERS (SEE SPECIFICATIONS SECTION
THE SURGE ARRESTERS WHICH ARE PRESENTLY IN USE ON THE EXISTING5.
INDICATE THE ACTUAL QUANTITY OF RADIATORS OR FANS.
THE DIRECTION OF FAN AIR FLOW, AND ARE NOT INTENDED TO
THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS AND4.
HAVE BEEN INDICATED WITH DASHED LINES.
FOR THE PURPOSES OF DRAWING CLARITY, SOME EQUIPMENT LOCATIONS3.
F. JACKING PADS AND STRUCTURAL BASE CHANNELS
E. ANCILLARY DEVICES
D. CONTROL AND POWER CABINETS
C. COPS TANK
B. SURGE ARRESTERS
A. HIGH-VOLTAGE AND LOW-VOLTAGE BUSHINGS
INTERCONNECTION:
EQUIPMENT ARE CONSIDERED CRITICAL TO ASSURE PROPER
POWER PLANT. THE LOCATIONS OF THE FOLLOWING ANCILLARY
TRANSFORMERS FOR PROPER INTERCONNECTION TO THE EXISTING
PROVIDED FOR THE MANUFACTURER'S USE IN DESIGNING THE
THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
W F -1
-R -0
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SHEET ID
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US Army Corps ®of Engineers
US Army Corps
D R
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F O
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S
E-103
A N
S I
D
F R
F -5 .0
-6 -9
A /3
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
SUPPORT STRUCTURE
LOW-VOLTAGE BUS AND
C/L TRANSFORMER
TAKEOFF TOWER COLUMNS
C/L
12"
TOWER STRUCTURE
TOWER STRUCTURE
SWITCHYARD AUXILIARY BUS
A-PHASE
B-PHASE
C-PHASE
PLAN VIEW
PLACEMENT ON NEW MOUNTING PAD
TYPICAL EQUIPMENT INSTALLATION AND
THREE-PHASE GSU TRANSFORMER BANK
MOUNTING PAD
TRANSFORMER
NEW THREE-PHASE
CONDUCTOR (TYPICAL)
1000 KCMIL HIGH-VOLTAGE
SYSTEM (ESTIMATED)
NEW OIL CONTAINMENT
NOTES:
CONTRACTOR.
PADS SHALL BE COORDINATED WITH THE SEPARATE INSTALLATIONS
POSITIONING OF EACH NEW GSU TRANSFORMER ON THE NEW MOUNTING3.
SEPARATE INSTALLATIONS CONTRACTOR.
TRANSFORMERS TO THE POWER PLANT WILL BE PERFORMED BY A
VOLTAGE BUS STRUCTURE, AND ALL INTERCONNECTIONS FROM THE NEW
THE NEW MOUNTING PAD, MODIFICATIONS TO THE EXISTING LOW-2.
LAYOUT OF THE 115 KV TRANSFORMER BANK A IS SIMILAR.
IS FOR THE 230 KV GSU TRANSFORMER BANKS B, C AND D, AND THE
ON THEIR NEW MOUNTING PADS. THE LAYOUT SHOWN ON THIS DRAWING
REPLACEMENT THREE-PHASE GSU TRANSFORMERS AFTER PLACEMENT
THIS DRAWING SHOWS THE INTENDED LAYOUT AND POSITIONING OF THE1.
F R
F .0
E -1
.d g n
W F -1
-R -0
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P O
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F O
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E R S
U P
P L
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(#4 AWG)
GROUNDING CABLE
BUSHING
CORE GROUND
GROUND BUSHING
CORE FRAME
TANK COVER
(#4 AWG)
GROUNDING CABLE
TANK COVER
CORE FRAME
H2
H1 H3
X1
X2
X3
H0
CORE
PROTECTIVE COVER
M
IS
C E
L L
A N
E O
U S D
E T
A
IL
S
G S
U T
R A
N S
F O
R M
E R
S
E-104
A N
S I
D
F R
F -5 .0
-6 -9
A /4
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
NOTES:
AND CORE FRAME GROUND BUSHINGS.
SEE SHEET 101, PLAN VIEW OF THE COVER, ITEM 7 FOR LOCATION OF THE CORE2.
TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY INDICATED.
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND 230 KV1.
F R
F .0
E -1
.d g n
FIGURE 1
CORE AND CORE FRAME GROUNDING
VOLTAGE - PHASOR DIAGRAM
GSU TRANSFORMERS
W F -1
-R -0
R
L
IC
IT
A T
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N N
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D B
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B
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2 3 4 5 6 7 8 9 10
SHEET ID
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B O
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LEGEND:
NOTES:
SIDE VIEW
DETAIL OF VIBRATION ISOLATION MOUNTSPOWER AND CONTROL CABINETS
CABINET DOOR SEAL
DETAIL OF TYPICAL
CONNECTIONS AND GROUNDING
DETAIL OF ENCLOSURE CONDUIT
WINDOWS SEAL
TYPICAL CLAYTONRITE-TYPE
DETAIL "A"
CABINETS
POWER AND CONTROL
120 VAC & 125 VDC CONTROL CABINET480 VAC POWER CABINET
43TF 86T
TTM
TO POWER PLANT
CONNECTIONS
EXTERNAL CONDUIT
FUTURE
DOOR)
(INSIDE CABINET
DRAWING POCKET
O&M MANUAL
DOOR)
(INSIDE CABINET
COMPUTER TRAY
FOLD-DOWN
TERMINAL BOX
TO GAS-IN-OIL MONITOR
FRAMEWORK
CABINET MOUNTING
(SEE DETAIL 'A')
WINDOW SEAL
MOUNTS (TYPICAL)
VIBRATION ISOLATION
SIDEWALL
TRANSFORMER TANK
TEMPERED GLASS
RUBBER SEAL
ENCLOSURE PANEL
SECURING STRIP
DRIP SHIELD
RAIN AND
GASKET SEAL
DRIP CHANNEL
CABINET DOOR
SOLAR SHIELDING
GROUND WIRE
AND GROUNDING SCREW
WITH A CAPTIVE O-RING GASKET
SHALL BE A MYERS SCRU-TITE
ALL CONDUIT HUB FITTINGS
EQUIPMENT ENCLOSURE
C O
N T
R O
L C
A B
IN
E T S
P O
W E
R A
N D
E-105
A N
S I
D
D F
IL
E R
TRANSFORMER TEMPERATURE MONITORTTM
LOCKOUT RELAY86T
COOLING GROUP ON-OFF-AUTO SELECTOR SWITCH43TF
TRANSFORMER TEMPERATURE MONITOR30
SHALL HAVE A POCKET SIZED TO HOLD THE O&M MANUAL DRAWINGS.
AND A MEANS FOR LATCHING THE TRAY WHEN STOWED. THE LEFT DOOR
WHICH SECURE THE TRAY IN A HORIZONTAL POSITION WHEN LOWERED,
THE INSIDE OF THE DOOR. THE TRAY SHALL INCLUDE FOLDING HINGES
THE RIGHT DOOR SHALL HAVE A DROP DOWN LAPTOP TRAY MOUNTED ON8.
VIBRATION ISOLATORS.
STRUCTURE WHICH IS MOUNTED TO THE TRANSFORMER TANK USING
THE CONTROL AND POWER CABINETS SHALL BE MOUNTED TO A FRAME7.
APPROXIMATELY 60 INCHES ABOVE THE BASE OF THE TRANSFORMER.
MOUNTED ON THE SWING PANELS SO THAT THE DEVICES ARE
THE TRANSFORMER TEMPERATURE MONITOR AND ANNUNCIATOR SHALL BE6.
THROUGH THE BASE.
CONTROL AND POWER CABINETS SHALL ONLY ENTER EACH CABINET
ALL CONDUIT ROUTING FROM THE TRANSFORMER DEVICES TO THE5.
PLATES FOR THE PURPOSES OF FIELD FITTING OF CONDUIT.
VARY. THE BASE OF EACH CABINET SHALL HAVE GASKETED REMOVABLE
REPRESENTATIVE PURPOSES ONLY. ACTUAL QUANTITIES AND SIZES MAY
EXTERNAL CONDUIT CONNECTIONS TO THE POWER PLANT ARE SHOWN FOR4.
SPACE FOR ARC FLASH LABEL (PROVIDED BY THE GOVERNMENT).3.
AND BUILT IN ACCORDANCE WITH UL STANDARD 508A.
THE TRANSFORMER CONTROL AND POWER CABINTES ARE TO BE DESIGNED2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
SEE NOTE 3
F R
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D B
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D A
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C O
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C T N
O
D R
A W
N B
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IS
S
U E D
A T
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B
C
D
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F
G
2 3 4 5 6 7 8 9 10
SHEET ID
D R
A W
IN
G N
O
F
IL
E N
A M
E
C H
E C
K E
D B
Y
®of Engineers
US Army Corps ®of Engineers
US Army Corps
D R
A W
IN
G N
O
F
IL
E N
A M
R
T L
A N
D
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E G
O N
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
O M
A H
A D
IS
T R
IT
C H
Y A
R D
M
IS
S O
U R I
R
IV
E R
F O
R T R
A N
D A
L L D
A M A
N D R
S
E V
E N R
M
IL
E S P .E
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
D R
O E
L E
C T
R
IC
D
E S
IG
N C
E N
T E
R
P O
W E
R T
R A
N S
F O
R M
E R S
U P
P L
Y
C O
N T
R O
L C
A B
IN
E T
E-106
A N
S I
D
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
DESCRIPTION BRAND NAME OR EQUAL MODEL NUMBER
QUALITROL QTMS
MOLDED-CASE CIRCUIT BREAKERS
AUXILIARY RELAYS
INTERPOSING RELAY FOR LOCKOUT RELAY GENERAL ELECTRIC
LOCKOUT RELAY ELECTROSWITCH SERIES 24, MODEL 78PB02E
TERMINAL BLOCKS - CONTROL SIGNAL TYPE
TERMINAL BLOCKS - POWER DISTRIBUTION TYPE
FUSES
FUSE HOLDERS
CABINET HEATER
ELECTROSWITCH SERIES 24
UNDERVOLTAGE RELAY
RECEPTACLE WITH GROUND FAULT HUBBELL GFR8300SGW
MARATHON SERIES 142
TIME MARK
BUSSMAN
BUSSMAN
WAUKESHA PTC2
FAL
C26(XX)
HMA
LPJ
JTN600(XX)
TIME DELAY RELAY AGASTAT SERIES 7000
TRANSFORMER TEMPERATURE MONITOR
LOCAL ANNUNCIATOR PANELS (DEVICE 30) SEL 2533
ITEM
COOLING GROUP SELECTOR SW. (DEVICE 43TF)
TERMINAL BLOCKS - SHORT CIRCUIT
GROUND BUS BAR - -
QTY
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
NOTES:
LH BACK PANEL RH BACK PANEL RH SIDE PANEL
(FRONT VIEW)
RIGHT SWING PANEL
BLOCKS
TERMINAL
RESISTORS
CALIBRATION
ANALOG WTI
BLOCKS
TERMINAL
BLOCKS
TERMINAL
BLOCKS
TERMINAL
TRANSFORMER
CURRENT
BLOCKS
TERMINAL
BREAKERS
CIRCUIT
DEVICES
RELAYS AND
AUXILIARY
BOTTOM PANEL
CONTROL CABINET LAYOUT
DEVICES
ASSOCIATED
TTM AND
QTMS
TRANSFORMER MONITORING SYSTEM
TEST
MENU
RESET
ENTER
B
A
C D E
F
G
HEATERHEATER
(FRONT VIEW)
LEFT SWING PANEL
LH SIDE PANEL
CABINET LIGHT
WIRING TO POWER CABINET
BUSHING FOR 120 VAC
WIREWAY HOLE WITH
5453 55 56
6352 64
59 62
(NOTE 2)
OUTLET
TRANSFORMER MOUNTED CONDUIT
AREA FOR INSTALLATION OF
INSTALLATION TO POWER PLANT
PLATE FOR CONDUIT
AND GASKETED BOTTOM
REMOVABLE BOLTED
CONTROL CABINET TOP VIEW
A F
B EC
G
D
BILL OF MATERIALS - CONTROL CABINET COMPONENTS
58 57
65 67
L A
Y O
U T
HUMIDISTAT / THERMOSTAT (DEVICE 23-1) HAMMOND MFG SKTH012009-C
59 62
59 62
STATES TYPE NT, CLASS 250
STATES TYPE NT, CLASS 251-G
SQUARE D
SQUARE D 8501, TYPE X
59 62
THE REMOVABLE BOTTOM PLATE THICKNESS SHALL BE 10 GAUGE, MINIMUM.6.
CABINET.
THE GFCI OUTLET SHALL BE ACCESSIBLE ONLY FROM INSIDE THE CONTROL5.
IN THE CONTROL CABINET DOOR.
THE FRONT IS VISIBLE THROUGH A WATERPROOF CONTROL VIEWING GLASS
THE RACK CHASSIS AND REMOTELY MOUNTED ON A SWING PANEL SO THAT
CHASSIS IN THE CONTROL CABINET, WITH HMI MODULES MOUNTED AT BOTH
THE TEMPERATURE MONITOR SHALL BE INSTALLED IN A REAR MOUNT4.
ONLY. THE ACTUAL LAYOUT MAY BE MODIFIED BY THE CONTRACTOR.
THE CONTROL CABINET LAYOUT AS SHOWN IS FOR ILLUSTRATIVE PURPOSES3.
ACCORDANCE WITH US STANDARD 508A.
THE TRANSFORMER CONTROL CABINET IS TO BE DESINGED AND BUILT IN2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
F R
F .0
E -1
.d g n
F R
F -5 .0
-6 -9
A /2
W F -1
-R -0
R
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A T
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O
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D B
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S U
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IT
T E
D B
Y
D A
T E
C O
N T
R A
C T N
O
D R
A W
N B
Y
IS
S
U E D
A T
E
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
SHEET ID
D R
A W
IN
G N
O
F
IL
E N
A M
E
C H
E C
K E
D B
Y
®of Engineers
US Army Corps ®of Engineers
US Army Corps
D R
A W
IN
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A M
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O N
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
O M
A H
A D
IS
T R
IT
C H
Y A
R D
M
IS
S O
U R I
R
IV
E R
F O
R T R
A N
D A
L L D
A M A
N D R
S
E V
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M
IL
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A R
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P S O
F E
N G
IN
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IG
N C
E N
T E
R
P O
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R T
R A
N S
F O
R M
E R S
U P
P L
Y
BOTTOM PANEL
POWER CABINET LAYOUT
POWER CABINET - TOP VIEW
D
A C
B
D
AND FAN CONTROL)
LIGHTS, HEATER
(WIRING FOR
BLOCKS
TERMINAL
120 VAC
TRANSFORMER
POWER
AUXILIARY
52 71
CONTACTORS
FAN MOTOR
BREAKERS AND
CIRCUIT
BLOCKS
TERMINAL
BLOCKS
TERMINAL
LH SIDE PANEL RH SIDE PANELBACK PANELA B C
HEATER
CABINET LIGHT
INSTALLATION TO POWER PLANT
PLATE FOR CONDUIT
GASKETED BOTTOM
REMOVABLE BOLTED AND
TRANSFORMER MOUNTED CONDUIT
AREA FOR INSTALLATION OF
CABINET
WIRING TO CONTROL
BUSHING FOR 120 VAC
WIREWAY HOLE WITH
NOTES:
DESCRIPTION BRAND NAME OR EQUAL MODEL NUMBER
MAGNETIC CONTACTORS
MOLDED-CASE CIRCUIT BREAKERS
TERMINAL BLOCKS - CONTROL SIGNAL TYPE
TERMINAL BLOCKS - POWER DISTRIBUTION TYPE
FUSES
FUSE HOLDERS
CABINET HEATER
MARATHON SERIES 142
BUSSMAN
BUSSMAN
WAUKESHA PTC2
KHL
LPJ
JTN600(XX)
QTYITEM
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
1 GROUND BUS BAR - -
AUXILIARY POWER TRANSFORMER - -
BILL OF MATERIALS - POWER CABINET COMPONENTS
V
A C P
O W
E R C
A B
IN
E T
E-107
A N
S I
D
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
L A
Y O
U T
HUMIDISTAT / THERMOSTAT (DEVICE 23-2) HAMMOND MFG SKTH012009-C
SQUARE D
STATES TYPE NT, CLASS 250
59 62
59 62
59 62
SQUARE D
THE REMOVABLE BOTTOM PLATE THICKNESS SHALL BE 10 GAUGE, MINIMUM.5.
CABINET.
AND POWER TERMINAL BLOCKS SHALL BE MOUNTED IN THE 480 VAC POWER
FANS, INCLUDING THE MOLDED-CASE CIRCUIT BREAKERS, CONTACTORS
ALL 480 VAC PROTECTIVE AND CONTROL EQUIPMENT FOR THE COOLING4.
MAY BE MODIFIED BY THE CONTRACTOR.
THE LAYOUT SHOWN IS FOR ILLUSTRATIVE PURPOSES ONLY. THE LAYOUT3.
ACCORDANCW WITH UL STANDARD 508A.
THE TRANSFORMER POWER CABINET IS TO BE DESIGNED AND BUILT IN2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
F R
F -5 .0
-6 -9
A /3
F R
F .0
E -1
.d g n
W F -1
-R -0
R
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IC
IT
A T
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N N
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D B
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IT
T E
D B
Y
D A
T E
C O
N T
R A
C T N
O
D R
A W
N B
Y
IS
S
U E D
A T
E
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
SHEET ID
D R
A W
IN
G N
O
F
IL
E N
A M
E
C H
E C
K E
D B
Y
®of Engineers
US Army Corps ®of Engineers
US Army Corps
D R
A W
IN
G N
O
F
IL
E N
A M
R
T L
A N
D
O R
E G
O N
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
O M
A H
A D
IS
T R
IT
C H
Y A
R D
M
IS
S O
U R I
R
IV
E R
F O
R T R
A N
D A
L L D
A M A
N D R
S
E V
E N R
M
IL
E S P .E
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
D R
O E
L E
C T
R
IC
D
E S
IG
N C
E N
T E
R
P O
W E
R T
R A
N S
F O
R M
E R S
U P
P L
Y
L A
Y O
U T A
N D D
E T
A
IL
S
T R
A N
S F
O R
M E
R M
O U
N T
E D D
E V
IC
E S
A N
S I
D
D F
IL
E R
D F
IL
E R
B
B O
U W
M A
N
E-108
(110 C)
SW. #2
(UNUSED)
SW. #1
(125 C)
SW. #3
(LOW LEVEL)
SW. #1
(UNUSED)
SW. #2
(UNUSED)
SW. #1
BULB
HEATER
WELL
BULB
HEATER
WELL
TB5:1 TB5:2 TB5:3 TB5:4 TB5:5 TB5:6
OUTPUT RELAY
GAS ALARM
T X
T X
R X
R X
S G
N D
LEGEND:
NOTES:
(BELOW)
DIAGRAM
SEE CT
(DEVICE 49Q1)
THERMOWELL
HEATED
TOP OIL THERMOWELLS
(DEVICE 49Q2)
WITH NPT PLUG
THERMOWELL
SPARE HEATED
(DEVICE 26Q1)
THERMOWELL
(DEVICE 26Q2)
THERMOWELL
(WITH NPT PLUG)
THERMOWELL
SPARE
(DEVICE 49WTI)
WINDING TEMPERATURE INDICATOR
(DEVICE 26Q)
OIL TEMPERATURE INDICATOR
BOTTOM OIL THERMOWELL
MODULE
INPUT
ANALOG
TTM
(DEVICE 30)
ANNUNCIATION
(DEVICE 94X)
TRANS. TRIP
(DEVICE 95Q)
GAS-IN-OIL MONITOR
(DEVICE 30)
ANNUNCIATION
(DEVICE 30)
ANNUNCIATION
(DEVICE 94X)
TRANSFORMER TRIP
SENSOR #1
PRESSURE
SENSOR #2
PRESSURE
SENSOR #3
PRESSURE
(DEVICE 63PM)
ELECTRONIC PRESSURE MONITOR
RISE
FAST PRESSURE
RISE
SLOW PRESSURE
(DEVICE 30)
ANNUNCIATION
TO TTM (TB2)
COMMUNICATIONS
RS-485
(49WTI)
HEATER
THERMOWELL
(SPARE)
HEATER
THERMOWELL
(SEE NOTE 2)
ANALOG INPUT MODULE
TTM
HEATED THERMOWELLS
CURRENT TRANSFORMERS AND
WINDINGS ASSEMBLY
TRANSFORMER CORE AND
(TYPICAL)
SEE NOTE 3
BCT-H1
BCT-H4
BCT-H2
BCT-H5
BCT-H3
BCT-H6
BCT-H0 CT-X2 49R
49Q1
49Q2
(BELOW)
DIAGRAM
SEE CT
H1 H2 H3
H0 X1 X2 X3
H1
H0
H3
H2
X1
X3
X2
INPUT 4
INPUT 1
RTD1
2 31
95Q-CT
TTM-CT
TERMINALS
LOADGUIDE
TERMINATED ON SHORTING TERMINAL BLOCKS.
SECONDARY WIRING IS TO BE ROUTED TO THE CONTROL CABINET AND
ALL BUSHING CURRENT TRANSFORMERS AND CURRENT TRANSFORMER3.
CONNECTION DETAILS.
SEE DRAWING E-603 FOR TRANSFORMER TEMPERATURE MONITOR2.
INDICATED.
230 KV TRANSFORMER DESIGNS, UNLESS OTHERWISE SPECIFICALLY
ALL ASPECTS OF THIS DRAWING ARE APPLICABLE TO BOTH THE 115 KV AND1.
(DEVICE 63PR)
PRESSURE RELIEF DEVICE
(DEVICE 30)
ANNUNCIATION
(ALARM)
SW. #1
(DEVICE 94X)
TRANS. TRIP
(TRIP)
SW. #2
(DEVICE 71Q)
OIL LEVEL INDICATOR
(CRITICAL-LOW LEVEL)
SW. #2
TS
(DEVICE 30)
ANNUNCIATION
(ALARM)
SW. #1
(TRIP)
SW. #2
(DEVICE 63GDR)
GAS DETECTOR RELAY
LOW VOLTAGE BUSHINGSX1,2,3
TRANSFORMER TEMPERATURE MONITORTTM
TEST SWITCHTS
TERMINAL BLOCKTB_
SWITCHSW
RESISTANCE TEMPERATURE DETECTORRTD
HIGH VOLTAGE BUSHINGSH1,2,3
HIGH VOLTAGE NEUTRAL BUSHINGH0
FAN CURRENT TRANSFORMERFCT
CURRENT TRANSFORMERCT
MULTI-RATIO BUSHING CURRENT TRANSFORMERBCT
GAS-IN-OIL MONITOR95Q
TRIP AUXILIARY RELAY94X
TRANSFORMER LOCKOUT RELAY86T
OIL LEVEL INDICATOR71Q
ELECTRONIC PRESSURE MONITOR63PM
PRESSURE RELIEF DEVICE63PR
GAS DETECTOR RELAY63GDR
ANALOG WINDING TEMPERATURE INDICATOR49WTI
CALIBRATION RESISTOR49R
HEATED THERMOWELLS49Q1,2
ANNUNCIATOR30
THERMOWELL26Q1,2,3
ANALOG OIL TEMPERATURE INDICATOR26Q
AMBIENT AIR TEMPERATURE26A
(NOT USED)
CABINET
WIRED TO
(NOT USED)
CABINET
WIRED TO
(NOT USED)
CABINET
WIRED TO
(NOT USED)
CABINET
WIRED TO
(NOT USED)
CABINET
WIRED TO
F R
F .0
E -1
.d g n
F R
F -5 .0
-6 -9
A /4
(DEVI…
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