GPO Electrical Dist Sys One Line.pdf

POTOMAC ELECTRIC COMPANY INCOMING SERVICES

FEEDER 14651

(GPO NO. 3)

FEEDER 14656

(GPO NO. 2)

,------------------ ----------------------------------------------------- ---------------7

FEEDER 14654

(GPO NO. 1)

r------------------

FEEDER 14655

(GPO NO. 4)

----------------7 t-c�

2�P� 71_3_. _2K_V_S_W_IT_C_H_G_E_A_ R __ S_O_U_TH __ G _R_O_U_P

� 14,400/120V I

2 P'C_s 1 = -;..,_ 7 t--C::J---'� � 14,400/120V I

I I I I I I I I I I I I I I

I t-c�

2�P� 713.2KV SWITCHGEA R - NORTH G ROUP

1 � 14,400/120V I 2 P,:,Slrci -�7

+-C:::J---'S: � 14,400/120V I

MAIN BREAKER

2000A, 13.8KV, 750MVA

_j

. I ,· _j . I

MAIN BREAKER R I I .._ 2000A, 13.8KV, 750MVA

"--- (3) 50/51, (1) 51N, (3) 50/51, (1) 51N, . (1) 27, (1) 67

(1) 27, (1) 67

1 600/5 600/5 ,------------- --------------7 ,------------- --------------7

I PEPCO'S METERING +-ICJ-� 1 PT 1 1 PEPCO'S METERING ;-CJ-,:: 1 PT 1

1 CUBICLE 600/5 2 Cr's 1 1 CUBICLE 600/5 2 CT's 1 L _____________ --------------� L _____________ --------------�

2000A,3¢ 13.2KV BUS I 2000A, 3¢ 13.2KV BUS I

: ,--1-·-- 1 ,--1-·-- 1

I lf) FEEDER 0... L{) FEEDER a_ I (0 BREAA'.ERS) tn CO BREAKERS) V)

I ' _J .

. I

MAIN BREAKER

2000A, 13.BKV, 750MVA

600/5

(3) 50/51, (1)1 51N.

(1) 27, (1) 67

,------------- --------------7 I PEPCO'S METERING Hc::::J---3 1 PT

1 CUBICLE 600/5 2 CT's 1 L _____________ --------------�

2000A, 3¢ 13.2KV BUS I

,--1-·-- 1 _J

I 750MVA

-st (TYPICAL AU 52 R1 1iJ FEEDER w u

(L

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. I

MAIN BREAKER

2000A, 13.BK� 750MVA �- (3) 50/51, (1) 1 51N,

(1) 27, (1) 67

1 ,-----__ --_600/} ---------_ ----7

I PEPCO'S METERING +-ICJ--3 1 PT

1 CUBICLE 600/5 2 CT's 1

L _____________ --------------�

2000A, 3¢ 13.2KV BUS I

,--1-·-- 1 _J

I 750,IVA

w u

(L

Ii) (TYPICAL AU 5 2 R1

LO FEEDER

C.0 BREAKERS)

l 7 l��i J

V

�2 R1 �2 R1 � � [���::'::/ �2 R

J,, 2 R

1 �

I

-st

200/5J_J 200/51-..J 200/5µ �-Y--- i�B5i(c�16s81�L� 1No/�) 67 ;!: 200/5 200/51--.J 200/5J_

J y 1 'f 1 I

(TYPICAL FEEDER BREAKERS) i f I

::: 1200.A., 13,BKV

� BRE .. ERS)

200/5f j

1B

- -(3) 50/51, (1) 51N, (1) 6

ABB MICROSHIELD 0/D

(TYPICAL ALL FEEDER BREAKERS)

1E sq- 1200A, 13.8KV

200/sl_j

HH

200/5p 200/5p i

I 3A 3B 3C 3D 3E 2A 2B 2C 20 2E 1A 4A 4B 4C 4D 4E L ___ ____________________ ---------------------------------�------1 ______________ ! ________ � -----------------------------------------------------------------------------------------n I

N I

<D L[) <D -st � r------1-------

DISCONNECT SWlTCH I

600A, 15KV, 3P FUSED :

WlTH 100E FUSES 1

I I I I I

L------1-----1--

EXIST ING TRANSFORMER

& DISCONNECT SWITCH

TO BE RELOCATED AND

RECONNECTED. (SEE

FLOOR PLANS FOR

DETAILS.

r - ,..-1 I I I I I

-st I

Ii) L[) <D -st

I , I , "-" �;,scoo_j � (1� {,A� {,A� (A, 2000KVA, 13.8/4.16KV, 3 S 'f Vy �'I'/ � V WV

6 -y o

', (4) 2-1/2% TA;

12 n . 200A I I •

L---�

CD�

I

-st L[) <D -st�

N'

CD�

I

-st Ii) <D -st

DISCONNECT SWlTCH l 600A, 3 POSITION •>-<>y

GROUNDING, 15KV

NETWORK TRANSFORMER

750 KVA, 13,200/208/120, 1B8

3Q, 4 W, /':,- 'h.

r· (4) 2-1/2% TAPS

4000A NETWORK PROTECTOR (

5000A, 120/208V

NETWORK BUS

CD N

I

<D Ii) <D -st

N I

<D L[) <D -st

ID

n I �

L[) <D -st�

CD

n I � l[) <D -st

CD

-st I

Ii) Ii) <D -st� r-----------------------------, r 4000 A ( l r

4000A ( l r------------------ ----�--------------7

'4-000A --(<,-----<,"o----,,;,--�

TIE

4000A, 120/208V, �. 4W BUS 4000A, 120/208V, 3�, 4W BUS

N 00� I

-st Ii) <D -st

N

ID

N I

<D l[) <D -st

N

ID

r<) I �

Ii) <D -st

N

ID

-st I

L[) L[) <D -st

14B, l r-------�-------------------� I I I

I

: 4000A ( 4000A ( :

I I I · I I I ! : : I I 4000A I I ---<(<,-----<, ,.-.. o-----'Ji>---+ I

I TIE 1

I I

I r·, t0/20j8V, Jt 4W is 4000A, 1.20/2osv, J�. 4W BUS l . . ).._ u -st I

Ii) Ii) <D -st� l[) • u -st I l[) l[) <D -st� u � I

-st L[) <D -st�

L[) u

I -st L[) <D -st� u N I

<D L[) <D -st�

Ii) u N I

<D L[) <D -st� r---------------------------7 I I I I ·'

4000A ( ◄OOOA ( :

I I I I

I 4000A I I --=�.,........ o-----➔,.._ I

: TIE :

I r

•-�o/2ofv·3t·•w is

00A.

o/20pv.�.•w is i

0� I

-st Ii) <D '<t

N I

<D L[) <D -st

-st N I

<D L[) <D -st n

I

-st n I

-st I

I[) L[) <D -st

-st '<t I

L[) L[) <D -st c

-HH_._ 3#1 AW G CU, 15KV

IN 5" C (TYP.)

L[) l[) 00...-n

I I l[) � l[) l[)

<D <D r------------------ --------7 -st ::� I I I I I I

4000A (

I -• I • I 4000A

4000A ( '

I ,--.., I ,E--o o----3!>------o

1 TIE

I 4

00A, �0/2orV, �• 4W is 4000A, J20/20�V. ,;. 4W BUS I J. • • 1

PEPCO GPO

M-'J N OFFICE

DISTRIBUTION

GPO CITY

BLDG. 4 POST OFFICE

-14651

-14652PEPCO 1--14653

SUB 161 --14654

>-14655 -14656

OLD SENATE NEW SENATE

OFFICE BLDG. OFFICE BLDG.

us SUPREME

CAPITOL COURT

I

HOUSE OF REP.

CANNON

BUILDING

HOUSE OF REP. LIBRARY OF LONGWORTH CONGRESS BUILDING

HOUSE OF REP. LIBRARY OF

RAYBURN CONGRESS

BUILDING (ANNEX)

E.S.S. C5009 9-95 GlDH U00R£ 1 D-91

FEEDER 14654 FEEDER 14655 (GPO N0.1) (GPO N0.4)

BUILDING 4

FEEDER

DISC.

TRANS.

DISC.

E.S.S. C5008 9-95

POT

FlJSES

SWITCHGEAR 1 0-A

Ii) Ii) 0 0

- N I I -st <D

Ii) L[) <D <D -st -st� -

PRIMARY DISC. SWlTCH -+-, 600A, 3 POSITION

GROUNDING, 15KV

LOW VOLT AGE SECTION

-4-000A MAIN BUS

POT

FUSES

FEEDER

DISC.

SWITCHGEAR 1 0-8

M-'JN

GLENN 1ri100RE 9-91

TRANS.

DISC.

SYMBOLS

r

200/5

DRAW-OUT CIRCUIT BREAKER.

T YPE AND SIZE AS NOTED.

LOW VOLTAGE POWER SYSTEM

CIRCUIT BREAKER. DRAW-OUT

TYPE .

LOAD BREAK SWITCH; 3-POSI

TION, GROUNDED.

FUSE

LOW VOLT AGE NETWORK

PROTECTOR.

NETWORK TRANSFORMER. TYPE,

KVA, VOLTAGES, AND CONNECT

IONS AS NOTED.

CURRENT TRANSFORMER. T YPE

AND RATIO AS NOTED.

POTENTIAL TRANSFORMER. TYPE

AND RA no AS NOTED.

I I I I I I I I

I I I I I I I I I

1 1

1 1 ! r BUS

, r 1 BUS 2 1

! ct t t t

T BUS 1 T T BUS 2 T :

cf ct t t

! T BUS 1 T T BUS 2 T :

i t t t t i

TRANSFORMER SEC110N(2 REQ' D)_i

2000 KVA, 13,200/480/277,

PT S:

50/51

COMBINATION MOTOR STARTER.

3-AC OVERCURRENT RELAY,

2-16A. VERY INVERSE TIME.

10-BOA INSTANTANEOUS TRIP.

T T T T I

I I

: SWITCHGEAR N0.8 - POWER PLANT, 1ST FLOOR I SWITCHGEAR N0.2 - POWER PLANT, 1ST FLOOR SWITCHGEAR N0.3 - 4TH FLOOR : : SWITCHGEAR N0.1 - POWER PLANT, 1ST FLOOR :

i 2 PT'S 400/5 400/5 400/5 400/5:

l

L ___________________________ J L __ ________________________ J L ___________________________ J L---------------------------�

I 4.16KV, 2000A, 3¢ BUS :

I -+-------+------<r----..-------+- I

: n �-·-1--·--r-·-7 I I >- I i: � " � 52 • i

: � 7400/s 4 oo;sf: f4oo}s 400/5p :

I I SWITCHGEAR N0.9 - POWER PLANT, BASEMENT I

(3) 50/51, (1) 51N, (1) 27, (1) 67

ABB DVP 2000R

x-G

FIRE PUMP N0.2

( TYPICAL ALL INCOMING LINE BREAKERS) M BSMT., BLOC. No.2

150 HP, 206V, 3�

EXISTING TRANSFORMER

TO REMAIN - 150KVA,

4.16KV/120/208V, 30, 4W

T

1200A, SKY, 500MVA CIRCUIT BREAKERS

•>--<> \ (TYPICAL OF 8) ,

(3) 50/51, (1) 51N, ABB MICROSHIELD 0/C

(TYPICAL ALL FEEDER BREAKERS) w w L . -------- --------�----�-------y-----_J

�--------------------- O:'. O:'..,: .,:

r�----------------------------- -

I•

: MOTOR CONTROL CENTER

I I I I I

4.16KV, 1200A, 3� BUS

Cl. (L (/J (/)

,----------J ------- ------i----7 PRIMARY DISC. S'MTCH ----+--, 600A, 3 POSITION

GROUNDING, 15KV

L[) ' l[) Ii) u u u n -st � I---�I I

� l[) -st L[) l[) ----+ L[)<D <D <D -st -st -st

-:c:,s 1,s l l ·, Ii) u N I

<D Ii) <D -st

-st n I �

Ii) <D -st�

, DISCONNECT SWlTCH

L .......o 600A, 3 POSITION <-<>

GROUNDING, 15KV

NETWORK TRANSFORMER

2C5 750 KVA, 13,200/208/120, 3D4 I 3�. 4W, 6-Y-.,

T

( 4) 2-1 /2% TAPS

( 4000A NETWORK PROTECTOR ( '

5000A, 120 /208V

NETWORK BUS

-st' -st I

Ii) Ii) <D -st

3�. 4 W, 6-'f',. (4) 2-1/2% TAPS

-st 0�

I -st L[) <D -st

SWITCHGEAR N0.11

-st N I

<D l[) <D -st�

-1,□4 l '

I I I I I

>--' z

4.16K\, 1200A, �¢ BUS

r----------------- --------7 r--------------------�------1

LOW VOL TA GE SECTION

4000A MAIN BUS

I ,( 4000A( 4000A( l l

I I

IICV. m<£

51N

27/59

1-GROUND FAULT RELAY

0.5-4A, VERY INVERSE TIME,

2-16A INSTANTANEOUS TRIP.

OVER-UNDERVOLTAGE RELAY,

55-140V RANGE, 115V.

1-A.C. DIRECTIONAL RELAY,

1.5-6A, VERY INVERSE TIME.

AMMETER

VOLTMETER

AMMETER SWITCH

VOLTMETER SWITCH

AIRCO TYPE R NEON GLOW TUBE

(3 PER FEEDER REQUIRED.)

REVERSED POSITIONS OF TIE & BREAKERS

OF SWGR 8

ADDED NEW SWGR 13.8 480 227V, 3PH 4W

CONDUIT AND CABLES AS SHOWN

1-26-93 r-A=D=D=ED�N�E�W�PT�S�A�S�S�H=O�W�N---- ---112-10-90 l=Rs:

E c, Vl

S

E

D ....,.,;H

,:;·,.,.v"" . �C

O

N

N c;;

E�CT

l

O�N""

S

AS

-'='.,.,s

H

;;;O+W"-N"-. --i 1-30-90

REVISED NEW SW ITCHGEAR AS SHOWN

ADDED 750KVA T RANSF SELECTOR SW ITCH l2-5-89 SW ITCHBOARD, CONDUIT & CABLES AS SHOWN '"' 11V ?

I ? -�-1 l _____ f----f----f----f----l---��- ???{{ I t t f f l !

MAIN BRKR TIE BRKR

MAIN BRKR

4000A 4000A 4000A

I I I I I I

U.S. GOVERNMENT PRINTING OFFICE

+---0 I r

"TI"fT c 1 c l c l c l

SWITCHGEAR N0.6 - POWER P)'..ANT, 1ST FLOOR I

L--------� ---- ----�--------_J r

0/20fV• =t 4W i S

0A, 0/20:V, =t• 4W i S

T BUS 1 T T BUS 2 T

WASHINGTON, D.C. 20401

ENGINEERING SER\1CES, F ACILITIES Dl\1SI0N, POWER BRANCH

ELECTRICAL DISTRIBUTION

ONE-LINE DIAGRAM

DA'IE Mt MM91ALL ""

SYSTEM

M M M M

TRANSFORMER SECTION(2 REQ'0)-

750 KVA, 13,200/208/120, I

I I f f f f A. SHAFER

(SIGNED)

H. HUNTT 6-16-!! f--�.,,..=.:.,-��-=.,.= ue

REF"RtGERA TIQN- • I I RErRIGERA TION 1

MACHINE NO. I MACHINE N0.2

200 Fl.A, 4.16KV, 200 F'LA, 4.16KV, 830 LRA 830 LRA lcHILLED WTR PUMP N0.1 1 ICONDENSER PUMP N0.1 CONDENSER PUMP N0.3 I

350HP, 38 FLA, 4.16KV 200HP, 20 FLA, 4.16KV 200HP, 20 FLA, 4.16KV �-��--

CHILLED WTR PUMP N0.2 .CONDEN_S.EIJ PUMP N0.2

350HP, 38 FLA. 4.16KV 200HP, 20 FLA. i.t6KV

I AIR CPRSR NO. 1 I

27 Fl.A., 4.16KV

I CARR1ER N0.3 I

1 oe FLA, 4. 16KV

I CHILLED WTR PUMP I

25 FLA, 4, 16KV

AIR CPR SR NO. 2

27 FLA, -4.18KV

CARRIER N0.4

106 FLA, 4.16KV

3�. 4W, 6-'ly (4) 2-1/2% TAPS

SWITCHGEAR N0.7 - PENTHOUSE I SWITCHGEAR N0.5 - 8TH FLOOR

L---------------------------�

SWITCHGEAR N0.4 - 6TH FLOOR

L ___________________________ J

OscarSBunoan """"""

R:. WARMKESSEL

NONE

� F-1 4

OAT£ wtn' 0l'flctft

1_5_88 (SIGNED)

S. STONE

OAlt. N'f'liltMD IV

(SIGNED)

J. MARK6VCHICK

0.1.li OA'lt OATt

6-16-88'"' 6-16-88��- '"'

)�f"CRANO.A.U 6-17-88 �-1 _,,_9_

F-4444

KVSERV1 E UPDATE F 4 798 1 ALSO

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