Powell Power/Vac - Page 5

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01.4IB.67000
Ch 4 Installation ............................................................................................................. 15
A. GenerAl ......................................................................................................................................................... 15
B. receIvInG ........................................................................................................................................................ 15
c. hAndlInG ....................................................................................................................................................... 15
d. StorAGe ......................................................................................................................................................... 16
e. poSItIonInG the metAl-clAd SWItchGeAr ........................................................................................................... 17
1) Drawings and Diagrams .....................................................................................................................................................17
f. prepArAtIon of floor AnchorInG ..................................................................................................................... 23
1) Indoor Metal-Clad Switchgear ........................................................................................................................................... 23
2) Outdoor Metal-Clad Switchgear .......................................................................................................................................26
3) Outdoor Switchgear with Protected Aisle .......................................................................................................................26
4) Outdoor Switchgear with Common Aisle ........................................................................................................................27
G. BreAker removABle element ............................................................................................................................ 30
h. teSt cABInet ................................................................................................................................................... 30
I. AddItIon of unItS to exIStInG eQuIpment ........................................................................................................... 30
1) Adding Units to Outdoor Equipment without a Protected Aisle ................................................................................30
2) Adding Units to Outdoor Equipment with a Protected/Common Aisle ...................................................................31
J. InStructIonS for mAkInG BuS connectIonS AcroSS ShIppInG SplIt SectIonS .......................................................... 31
1) Introduction ............................................................................................................................................................................ 31
2) Main Bus Connections Across the Shipping Split ...........................................................................................................31
3) Tie Bus Connections Across the Shipping Split ............................................................................................................... 35
k. InStructIonS for BoltInG StAckS toGether AcroSS ShIppInG SplIt SectIonS ........................................................... 36
1) Introduction ............................................................................................................................................................................ 36
l. connectIonS ................................................................................................................................................... 38
1) Main Bus Bars ......................................................................................................................................................................... 38
2) Sliding Connections .............................................................................................................................................................. 39
m. mAIn BuS ASSemBly ......................................................................................................................................... 39
1) Wrapping of Joints ................................................................................................................................................................40
2) Cleaning Bus Insulation ....................................................................................................................................................... 43
n. prImAry cABleS ............................................................................................................................................... 43
o. InSulAtInG prImAry cABle termInAtIonS ............................................................................................................. 44
p. Ground fAult current trAnSformerS
(throuGh-type) .............................................................................................................................................. 45
Q. control cABleS .............................................................................................................................................. 47
r. Ground BuS ................................................................................................................................................... 47
S. SurGe protectIon ........................................................................................................................................... 47
t. roof entrAnce BuShInGS ................................................................................................................................. 48
u. teStInG And InSpectIon ..................................................................................................................................... 48
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