Attachment J-1601000-04 (d) NRL 13.8KV SINGLE LINE REV-11.pdf
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- Solicitation number
- N4008027R1001
About this file
This document is a high-voltage electrical single-line diagram for the Naval Research Laboratory in Washington, DC, depicting the 13.8KV distribution system and associated infrastructure.
The diagram illustrates a complex electrical distribution network serving multiple buildings across the facility, with power sourced from three incoming PEPCO feeders at 69KV that step down to 13.8KV through three 30MVA transformers (TR-1, TR-2, TR-3). The system includes three primary distribution buses (Bus 1, 2, and 3) with 2000-ampere capacity, feeding numerous facility transformers ranging from 500KVA to 2500KVA, stepping voltage down to secondary levels of 480Y-277V, 230Y-130V, and 208Y-120V. Critical components include multiple switchgear sections with various amperage ratings (600A to 4000A), protective devices with ampere ratings ranging from 500AF to 8000AF, and current transformer ratios (2000/5, 1200/5, 600/5, 300/5). The system incorporates air-core line reactors at the 246 vault, automatic transfer switches (ATS) and tie switches for load management, and protection relays (86A, 50N, 51N, 50/51). Coordination study data is dated 12/21/2012, with the diagram itself updated on 10/01/2024. Building-specific annotations note that Building 69 and Building 68 are non-operational with scheduled demolition.
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52 52 52 52 52 52 52 52 52
52 52 52 52 52 52 52 52
TIE BREAKER
BLDG. 256
2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A 2000A
2000A
2000A 2000A
BLDG. 60
T-12-SU
1000/
1333KVA
13.8KV/
480Y-277V 5.41%
AA/FF
BLDG. 29 BLDG. 54
#A #A
BLDG. 35
T-54-SU
750KVA
KV/KV
Z%
XX/XX
#A #A
BLDG. 71 INSIDE BUILDING BLDG. 12 BLDG. 30 BLDG. 42
T-110-SU
1000/
1333KVA
13.8KV/
480Y-277V Z%
AA/FFA
BLDG. 3 BLDG. 1
T-60-SU
2000KVA
13.8KV/
480-277V Z%
XX/XX
T-61-SU
2000KVA
13.8KV/
480-277V Z%
XX/XX
BLDG. 2
T-101-SU
1250KVA
13.8KV/
Z%
BLDG. 3
BLDG. 149
BLDG. 43 BLDG. 5 BLDG. 28 BLDG. 34/53 BLDG. 33/57/76 BLDG. 74/52 BLDG. 59 BLDG. 970T BLDG. 68
T-21
750KVA
KV/KV
Z%
XX/XX
#A #A
BLDG. 69
T-167
750KVA
KV/KV
Z%
XX/XX
#A #A
BLDG. 271
T-271-SU
1500KVA
13.8KV/
480Y-277V Z%
XX/XX
T-152-SU
750KVA
13.8KV/
208Y-120V 5.75%/O
KNAN
BLDG. 72
T-72-SU
750KVA
13.8KV/
480-277V Z%
BLDG. 49 BLDG. A69/A52
T-106-SU
750KVA
13.5KV/
Z%
BLDG. A59
T-114-SU
1000KVA
13.8KV/
5.75%
65E 65E
T-29-SU
1500KVA
13.8V/ 480Y-208V 8%
XX/XX
#A #A
BLDG. 207
T-158-SU
500KVA
13.8KV/
208-120V Z%
XX/XX
T-157-SU
1500KVA
13.8KV/
480-277V Z%
XX/XX
T-156-SU
1500KVA
13.8KV/
480-277V Z%
XX/XX
T-155-SU
500KVA
13.8KV/
208-120V Z%
XX/XX
BLDG. 240
T-240-SU
500KVA
13.8KV/
480-277V 5.75%
XX/XX
BLDG. 250
T-187-SU
2000/2240KVA
13.8KV/
480-277V 7%
KNAN/FFA
BLDG. 101
T-107-SU
1000KVA
KV/KV
Z%
XX/XX
#A #A
BLDG. 97
T-184-SU
1250KVA
13.8KV/
5.75%
FCAN
BLDG. 71
T-71-SU
2000/
2500KVA
13.8KV/
6.30%-2.02%
T-188-SU
1500KVA
13.8KV/
480Y-277V 5.51%
XX/XX
BLDG. A47
T-175-PD
2500KVA
13.8KV/
480V 5.75%
KNAN
T-133-PD
2500KVA
13.8KV/
480V 5.75%
KNAN
T-176-SU
5000KVA
13.8KV/
2.4KV
5.75%
KNAN
T-177-SU
5000KVA
13.8KV/
2.4KV
5.75%
KNAN T-175A-PD
?KVA
13.8KV
/480V Z%
XX/XX
BLDG. 222
T-145-SU
500KVA
13.8KV/
480Y-277V Z%
XX/XX
T-146-SU
500KVA
13.8KV/
480Y-277V Z%
XX/XX
T-147-SU
500KVA
13.8KV/
280Y-120V Z%
XX/XX
T-66-SU
2000KVA
13.8KV/
480Y-277V Z%
XX/XX
T-67-SU
2000KVA
13.8KV/
480Y-277V Z%
XX/XX
T-185-SU
2000KVA
KV/KV
Z%
XX/XX
BLDG. 210C
BLDG. 209
T-148-SU
1000KVA
13.8KV/
6%
KNAN
T-149-SU
1000KVA
13.8KV/
6%
KNAN
W BLDG. 215
T-18-SU
2000KVA
13.8KV/
480-277V Z%
XX/XX
BLDG. 216
T-186-SU
2000KVA
13.8KV/
480-277V Z%
XX/XX
BLDG. A11
T-11-SU
1000KVA
13.8KV/
Z%
KNAN
BLDG. A50
T-189-SU
1000KVA
KV/KV
Z%
XX/XX
BUS D BUS FBUS E15KV, 2000A
E60F59E60F59D50C53 E60F59E60F59E58F59E58F59E60F69E60F69E60F69E51F56
E60 F59E58 F69E51 F56SPARED52
D52C55D50C53 D52C55D52C55D52C55D52C55
C55 SPARE D50
D50C53D50C53D50C53D50C53D50C53D50C53D50C53
C53
D57C61D57C61D57C61 D57C61
D57C61
BUS C
H11G11H11G11H11G11H11G11H11G11H11G11
BUS M 13.8KV, #A
CHILLER PLANT A47/200
H10G10 H10G10 H10G10
H7G7H7G7H7G7H7G7
SW#
13.8KV
#A
H6G6H6G6H6G6H6G6H6G6
BLDG. 210B BLDG. 210ABLDG. 210D
H6G6
BLDG 210 PENTHOUSE
HV SWITCHGEAR
13.8KV
2000A
750MVA
*AVAILABLE FAULT
CURRENT WITH TIE OPEN:
24.555 KAIC, BUS G
26.150 KAIC, BUS H
BOILER PLANT
JBAB
BLDG 246, NRL CVG 72
G13 G12 G11 G10 G9 G8 G7 G6 G5 H5 H6 H7 H8 H9 H10 H11 H12
PEPCO - HIGH VOLTAGE
SWITCHYARD
INCOMING PEPCO
FEEDER # 1,2,3
FROM POTOMAC
RIVER STA"C"
H5 H6 H7 H8 H9 H10 H11 H12G13 G12 G11 G10 G9 G8 G7 G6 G5
2500AF
2500AT
(LSIG)
2000AF
2000AT
(LSIG)
100E
HVSW-1,2
SF6-200A
65E
1600AF
1600AT
(LSG)
15 KV
L.A.
15 KV
L.A.
1600AF
1600AT
(XXX)
800AF
FP
15 KV
L.A.
15 KV
L.A.
500A
FP
RE-DISTRIBUTION
YARD
"SUB A"
NE, BLDG 35
208Y -120V
800A 800A
480Y -277V
208Y -120V
480Y -277V
2000A
NW NE NE
E60F59
/480Y -277V
/230Y 130V
/208Y -120V
T-19-SU
2000KVA
13.8KV/
480-277V Z%
XX/XX
T-20-SU
2000KVA
13.8KV/\
480-277V Z%
XX/XX
69KV/13.8KV
NC
G2 H2
G4 H4G3 H3
65E 65E
66 / 8343A / 86 81 / 82
72A /106 /151 32 / 36
A12 / A13 A51 / A100
FEEDER PROJECTS
BLDG. 226 MECH. SPACE FOURTH FLOOR
G12 H5 H9 G9
15KV, 2000A 15KV, 2000A 15KV, 2000A
T-XXX-SU
2500/
2235KVA
13.8KV/
480-277V 5.75%
XX/XX
4000AF
4000AT
(LSIG)
BLDG. A49
*BLDG. 69 - Building is empty, Non operational, future Bldg Demo *BLDG. 68 - Building is empty, Support outside trailers, future Bldg Demo
**Coordinate with PEPCO actual tie-breaker position
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 2000/5
(3) 1200/5
1200A
/225 -130V
T-15-SU
1000/1150KVA
13.8KV/
7.65%
KNAN/KNAF-FFA
/208Y -120V
1200A
1200A
/480Y -277V
1600A
/480Y -277V
1600A
/225 V
/208Y -120V
1600A
600/ 200A
600/ 200A
T-22-SU
1000KVA
13.8KV/
Z%
1600A
/480Y -277V
800A
/225 V
/208Y -120V
1600A
600/ 200A
600/ 200A
T-74-SU
2500KVA
13.8KV/
480-277V 5.75%
T-30-SU
1000/1150KVA
13.8KV/
7.65%
KNAN/KNAF-FFA
1200A
/480Y -277V
1200A
/225V -130V
/208Y -120V
800A
65E
T-111-SU
750KVA
13.8KV/
6.3%
KNAN
1200AF
1200AT
/480Y -277V
1600AF
1600AT
/208Y -120V
1000A
40E40E
600/ 200A
600/ 200A
T-162-SU
750KVA
13.8KV/
480-277V Z%
XX/XX
T-141-SU
750KVA
13.8KV/
7.9Z%-6.65%
KNAN
1200A
/480Y -277V
2000A
/208Y -120V
T-4-SU
750KVA
13.8KV/
Z%
1000A
/480Y -277V
1200A
/208Y -120V
600/ 200A
600/ 200A
T-180-SU
1000KVA
13.8KV/
Z%
1000A
/480Y -277V
1200A
/225 V
/208Y -120V
1000A
600/ 200A
600/ 200A
T-168-SU
1000/1150KVA
13.8KV/
7.62%
KNAN/KNAF-FFA
1200A
/480Y -277V
1200A
/225 -130V
/208Y -120V
1200A
1600A
T-970-SU
1000KVA
13.8KV/
480-277V Z%
600/ 200A
600/ 200A
/480Y -277V
/230Y 130V
/208Y -120V
T-150-SU
750/840KVA
13.8KV/
5.51%
T-26-SU
1500/1680KVA
13.8KV/
480-277V 7%
ONAN
1600A
/480Y -277V 5.75%
400A
/230Y 130V 5.51%
/208Y -120V 5.51%
800A
T-1-SU
750KVA
13.8KV/
T-109-SU
750/840KVA
13.8KV/
5.51%
600/ 40A
600/ 40A
G G
NOTE:
G RESEARCH TARGET BACK-UP POWER GENERATOR WITHIN THE FACILITY
G
T-104-SU
1000KVA
13.8KV/
Z%
1200A
/480Y -277V
3000A
/230Y 130V
/208Y -120V
1200A
600/ 200A
600/ 200A
T-104-SU
1500KVA
13.8KV/
Z%
1200A
/480Y -277V
1800A
/225 V
/208Y -120V
1000A
/480Y -277V
1200A 1200A
/480Y -277V
3000A
/230Y 130V
/208Y -120V
1200A
T-102-SU
1000KVA
13.8KV/
Z%
600/ 200A
600/ 200A
FIRST FLOOR
(NIKE) (ELECTRA)
SECOND FLOOR
T-112-SU
1000KVA
13.8KV/
480Y-277V Z%
1200A
600/ 200A
600/ 200A80E
T-99-SU
1500/1680KVA
13.8KV/
6.1%
/480Y -277V
/230Y 130V
/208Y -120V
G5
3000A 3000A
(3) 2000/5
G8 H8
600/ 200A
600/ 200A
600/ 200A
600/ 200A
600/ 200A
600/ 200A
600A 600A 600A
80E
1200A
/480Y -277V
1200A
/208Y -120V
3000A
/480Y -277V
5000A
/208Y -120V
600/ ?A
600/ ?A
2000A
#A #A
2000A 2000A
4000A
600/ 400A
600/ 400A
2000A 2000A
4000A
T-63-SU
2000KVA
13.8KV/
480Y-277V Z%
XX/XX
T-64-SU
2000KVA
13.8KV/
480Y-277V Z%
XX/XX
600/ 400A
600/ 400A
H6G6 H6G6
1600A 3000A
T-171-SU
1250KVA
KV/KV
Z%
XX/XX
T-172-SU
1250KVA
KV/KV
Z%
XX/XX
T-173-SU
2000KVA
KV/KV
Z%
XX/XX
1600A 1600A 1600A 1600A 1200A 3000A
1600A
600/ 400A
600/ 400A
600/ 200A
600/ 200A
600/ 200A
600/ 200A
600/ 400A
600/ 400A
3000A
BLDG. 259
H12
G13
3000A 3000A
3000A
BLDG. 260
3000A 3000A
2500A 4000A
600/ 400A
600/ 400A
600/ 400A
600/ 400A 50E 50E
1600A
/480Y -277V
1200A
/225 V
/208Y -120V
1200A
600/ 200A
600/ 200A
52 1200A 52 1200A
52 1200A 52 1200A
G7 H7
2000AF
1600AT
/480Y -277V
3000AF
2000AT
/225 V
/208Y -120V
1200AF
1200AF 2000AF
1600AT
/480Y -277V
/225 V
/208Y -120V
T-130-SU
1000KVA
13.8KV/
Z%
XX/XX
400A
/480Y -277V
1600A
/225 V
/208Y -120V
1600A
/480Y -277V
400A
400A
/480Y -277V
1600A
/225 V
/208Y -120V
1600A
/480Y -277V
400A
T-131-SU
1000KVA
13.8KV/
Z%
XX/XX
E BLDG.208
800A
100E
3000A
/480Y -277V
700A
/230Y 130V
/208Y -120V
350A
600/ 200A
600/ 200A
1200A
600/ 200A
600/ 200A
BLDG. A59
65A 65A
/480Y -277V
/225 V
T-160-SU
2000/2040KVA
13.8KV/
6.6% KNAN/FFA
/208Y -120V
E60F59
*AFC: 20.671 KAIC *AFC:20.272 KAIC *AFC:20.243 KAIC *AFC:19.335 KAIC
(3) 300/5
(3) 600/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
(3) 300/5
*COORDINATION STUDY DATA: 12/21/2012
.5A
(2)
14.4KV/120V
.5A
(2)
14.4KV/120V
M POWER QUALITY METER, GE-PQMII OR NEXUS
T-214-PD
750KVA
13.8KV/
480Y-277V Z%
XX/XX
H6G6
600/ 200A
80E
BLDG. 214
1600AF
1200AT
CHILLER 6
?E
MCC1 MCC 2
NRLJBAB
G
4000A
NO
AIR CORE LINE REACTORS
@ 246 VAULT
REPLACED ON 2013
TR-1 30MVA
768.59A @13.8KV
AIR CORE LINE REACTORS
@ 246 VAULT
AIR CORE LINE REACTORS
@ 246 VAULT
AIR CORE LINE REACTORS
@ 246 VAULT
30 30 40 40 40
KW
CUB 2
T-136-SU
2500KVA
KV/KV
Z%
XX/XX
T-138-SU
500KVA
KV/KV
Z%
XX/XX
T-139-SU
500KVA
KV/KV
Z%
XX/XX
600/ 200A
600/ 400A
800A 800A
800A
NO
T-136-SU
2500KVA
KV/KV
Z%
XX/XX
T-137-SU
2500KVA
KV/KV
Z%
XX/XX
600/ 400A
600/ 200A
4000A4000A
4000A
NO
T-140-SU
75KVA
KV/KV
Z%
XX/XX
600/ 100A
400A
CUB 1
CUB 3
HV SWITCHGEAR
13.8KV
1200A
750MVA
G
G G
G
G G
G G G
G
G G
G
G
G
G
G
G
INCOMING PEPCO
FEEDER 3
INCOMING PEPCO
FEEDER 2
INCOMING PEPCO
FEEDER 2
INCOMING PEPCO
FEEDER 1
**NC52 52
52 52 52 52 52 52 52 52 52
**NC
69KV/13.8KV
TR-2 30MVA
768.59A @13.8KV
69KV/13.8KV
TR-3 30MVA
768.59A @13.8KV
BUS 3 BUS 1 BUS 2 CONTROL ROOM
***Future COGEN to tie-in new swicthgear
#A #A
H11G11H10G10
65E
3000AF
2000AT
1200AF
1200AF
86 A 50N 51N
10A
86 A 50N 51N
V V
3-10E CLF
3 PT
14.4KV/120V
10A
3-10E CLF
3 PT
14.4KV/120V
86 A 50N 51N
51 86 A
50N 51N
120VAC
TO
BREAKER
AND
HEATERS
3000A
TIE
1200A
MCC3
1200A 1200A
SPARESPARE
52 1200A
52 1200A 52 1200A
52 1200A 52 1200A
52 1200A 52 1200A
52 1200A
TO MCC
2.4KV
(3)785 HP
STARTERS
TO MCC
2.4KV
(2)785 HP
STARTERS
600A
2.31OHM
10s
NGR
600A
2.31OHM
10s
NGR
CHILLER 1-5
5KV
SWITCH
80E 65E
52 400A 52 400A 52 400A 52 400A
52 1200A 52 1200A
C PORTABLE GENERATOR CONNECTION AT LV GEAR
1200A
/480Y -277V
/208Y -120V
800A
600AF
600AT
/225Y -130V
40E40E
PD PAD MOUNTED
SU SECONDARY UNIT SUBSTATION
50E50E
MM M M M M M M
M M M M M M
M
M
M M M
M M M
M
M M
M
100E
3000AF
3000AT
52 1200A 52 1200A
52 1200A 52 1200A 52 1200A 52 1200A
1600AF
1600AT
2500AF
2500AT
2500AF
2500AT
1600AF
1600AT
2500AF
2500AT
2500AF
2500AT
MM M M
86 A 50N 51N
51 86 A
50N 51N
51 86 A
50N 51N
51 86 A
50N 51N
86 A 50N 51N
51 86 A
50N 51N
10A
3-10E CLF
3 PT
14.4KV/120V
120VAC
TO
BREAKER
AND
HEATERS
10A
3-10E CLF
3 PT
14.4KV/120V
15KVA CPT 15KVA CPT
V
V
N.O.N.O.
1200AF
1000AT
1200AF
1000AT
2000AF
2000AT
80E
M M M
M
1600AF
1600AT
600AF
600AT
2500AF
2500AT
40E 40E
M M M
M
65E 65E
M
M
2500AF
2500AT
1200AF
1200AT
CHILLER PLANT
100E 100E
T-165-SU
2000/2240KVA
13.8KV/
7.2%
KNAN/FFA
2000AF
2000AT
1200AF
1200AT
ATS
C C
C C C C C
C
2000AF
2000AT
2000AF
2000AT
M M
M
MTS
C
1200AF
1200AT
T-275A-SU
2500KVA
13.8KV/
480-277V 5.32% xxxxx
52 1200A
M
4000AF
4000AT
T-275B-SU
2500KVA
13.8KV/
480-277V 5.32% xxxxx
521200A
4000AF
4000AT
4000AF
4000AT
N.O.
TIE
M
86 A 50N 51N
3 PT
14.4KV/120V
V
86 A 50N 51N
3 PT
14.4KV/120V
V
POWER
FOR
CONTROLS
CPT CPT
BLDG. 65/75
D52C55
3000A
T-275C-SU
2000KVA
13.8KV/
480-277V Z%
521200A52 1200A
BLDG. 65/75
SWB-M
65E65E 65E 65E 65E65E 65E 86 A
50N 51N
3 PT
14.4KV/120V
V
86 A 50N 51N
3 PT
14.4KV/120V
V
M
G
M M M M M M
125E 125E
M
4000AF
4000AT
52 1200A 52 1200A
52 1200A 52 1200A 52 1200A 52 1200A
BLDG. 52
D52C55
CSPF
T-52-SU
1000/1120KVA
13.8KV/
5.75%
XXXX
1200A
/480Y -277V
1000A
/208Y -120V
G
M M
M
65E 65E
(FY26)
T-62-PD
1500KVA
13.8KV/
480Y-277V 5.51%
XX/XX
XXE
800AF
800AT
SF6-630A
M
M
TO G13
PROWLER
(FY25)
2000AF
2000AT
8000AF
8000AT
2000AF
2000AT
C C C
S
2000AF
2000AT
2000AF
2000AT
8000AF
8000AT
(FY25)
(FY24)
800AF
800AT
2000AF
2000AT
800AF
600AT
M M M
40E 40E
HV-13.8KVDRAWING
INFORMATION
SCALE: NOT TO SCALE
DRAWN
CHECKED
BRANCH ENGINEER
RDSD:
CONST CONTR. NO.
BY
G.BAEZ
G.BAEZ
DATE
10/08/2015 HVD-101
DATE
03/05/2019
APPR.DESCRIPTIONREV
03/08/2018W. ROBSON
10/08/2015
XXXX
XXX-XXX-XX-XXXX
REVISION SCHEDULE
13.8KV SINGLE-LINE DIAGRAM
NAVAL RESEARCH LABORATORY, WASHINGTON DC
NRL HIGH VOLTAGE DISTRIBUTION SYSTEM
RESEARCH AND
DEVELOPMENT
SERVICE DIVISION,
CODE 3521
A/E INFO
SHEET: 0 OF 0
455 Overlook Ave, SW Washington, DC 20375
P.E. SEAL
DESIGN
D
C
B
A
D
C
B
A
1 2 3 4 5
1 2 3 4 5
U.S. NAVAL
RESEARCH
LABORATORY
G.B.GENERAL ONE LINE UPDATE
CONTROLLED UNCLASSIFIED INFORMATION, FOR OFFICIAL USE ONLY
CONTROLLED UNCLASSIFIED INFORMATION, FOR OFFICIAL USE ONLY
02/05/20209 G.B.B3 T-104 POINT OF CONNECTION UPDATE
10 T-240 CONNECTION UPDATE 04/19/2021G.B.
11 GENERAL ONE LINE UPDATE 10/01/2024G.B.
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