Powell Power/Vac Training manual

Instruction Bulletin - 01.4IB.67000
Power/Vac® Metal-Clad Switchgear
5kV & 15kV
20kA, 25kA, 31.5kA, 40kA, 50kA, & 63kA
1200A, 2000A, 3000A, 3500A, & 4000A FC
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Power/Vac®Metal-Clad Switchgear 5kV & 15kV 01.4IB.67000
Contact Information
Powell Electrical Systems, Inc.
powellind.com
[e-mail]
Service Division
7232 Airport Blvd.
Houston, Texas 77061
Tel: [phone]

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01.4IB.67000
Signal Words
As stated in ANSI Z535.4-2007, the signal word is
a word that calls attention to the safety sign and
designates a degree or level of hazard seriousness.
The signal words for product safety signs are
“Danger”, “Warning”, “Caution” and “Notice”.
These words are defined as:
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury.
!
DANGER
!
WARNING
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
!
CAUTION
CAUTION, used with the safety alert symbol,
indicates a hazardous situation which, if not
avoided, could result in minor or moderate
injury.
CAUTION, used without the safety alert
symbol, is used to address practices not
related to personal injury.
CAUTION
NOTICE
NOTICE is used to address practices not related
to personal injury.
Qualified Person
For the purposes of this manual, a qualified
person, as stated in NFPA 70E®, is one who has
skills and knowledge related to the construction
and operation of the electrical equipment and
installations and has received safety training to
recognize and avoid the hazards involved. In
addition to the above qualifications, one must also
be:
1. trained and authorized to energize,
deenergize, clear, ground, and tag circuits
and equipment in accordance with
established safety practices.
2. trained in the proper care and use of
personal protective equipment (PPE)
such as rubber gloves, hard hat, safety
glasses or face shields, flash clothing, etc.,
in accordance with established safety
practices.
3. trained in rendering first aid if necessary.

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4
Power/Vac®Metal-Clad Switchgear 5kV & 15kV 01.4IB.67000
Contents
Ch 1 General Information ................................................................................................1
A. Scope ...............................................................................................................................................................2
B. purpoSe ............................................................................................................................................................2
c. InStructIon BulletInS AvAIlABle electronIcAlly ....................................................................................................2
Ch 2 Safety .......................................................................................................................3
A. SAfe Work condItIon .........................................................................................................................................3
B. SAfety GuIdelIneS ...............................................................................................................................................3
c. GenerAl ............................................................................................................................................................4
d. SpecIfIc .............................................................................................................................................................4
e. SAfety lABelS ....................................................................................................................................................4
Ch 3 Equipment Description ............................................................................................5
A. GenerAl ............................................................................................................................................................5
B. prImAry compArtment ........................................................................................................................................5
c. SecondAry compArtment ....................................................................................................................................9
d. BreAker removABle element ...............................................................................................................................9
e. BreAker lIft truck .......................................................................................................................................... 10
f. rAtInGS .......................................................................................................................................................... 10
G. lIGhtInG ImpulSe WIthStAnd (BIl) .................................................................................................................... 10
h. cIrcuIt BreAker rAckInG mechAnISm ................................................................................................................. 10
I. remote rAckInG .............................................................................................................................................. 11
J. prImAry dISconnect devIceS ............................................................................................................................ 11
k. BuS compArtment ........................................................................................................................................... 12
l. current trAnSformer compArtment ................................................................................................................. 12
m. prImAry termInAtIon SpAce .............................................................................................................................. 12
n. voltAGe trAnSformerS .................................................................................................................................... 13
o. current-lImItInG fuSeS And control poWer trAnSformer .................................................................................. 13
p. dummy removABle element (type pvd) ........................................................................................................... 13
Q. Ground And teSt devIce .................................................................................................................................. 14

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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
Contents