Powell PowlVac IB-60201 User manual

IB-60201 PowlVac®STD
Vacuum Circuit Breaker
5kV & 15kV
1200A, 2000A, & 3000A
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PowlVac®STD Vacuum Circuit Breaker
IB-60201
Contact Information
Powell Electrical Systems, Inc.
www.powellind.com
[e-mail]
Service Division
PO Box 12818
Houston, Texas 77217-2818
Tel: [phone]
Fax: [phone]
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IB-60201
Signal Words
As stated in ANSI Z535.4-2002, § 4.13-4.13.3 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”, and
“Caution”. These words are defined as:
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury.
DANGERDANGER
!
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
WARNINGWARNING
!
CAUTIONCAUTION
!
CAUTION indicates a potentially hazardous
situation which, if not avoided, may result in
minor or moderate injury.
Not stated in ANSI Z535.4-2002, § 4.13-4.13.3
as a signal word but used in this manual is
“IMPORTANT”. This is defined as:
IMPORTANT indicates a section of the manual
covering a non hazardous situation, but
one where Powell feels proper attention is
warranted.
IMPORTANTIMPORTANT
!
Qualified Person
For the purposes of this manual, a qualified person,
as stated in NFPA 70®, is one familiar with the
construction and operation of the equipment and
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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IB-60201
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IB-60201
Contents
Ch 1 General Information.................................................................................................1
A. Sc o p e ................................................................................................................................................................2
B. pu r p o S e .............................................................................................................................................................2
c. In S t r u c t I o n Bu l l e t I n S Av A I l A B l e el e c t r o n I c A l l y .....................................................................................................2
Ch 2 Safety ........................................................................................................................3
A. SA f e Wo r k co n d I t I o n .........................................................................................................................................3
B. SA f e t y Gu I d e l I n e S ...............................................................................................................................................3
c. Ge n e r A l .............................................................................................................................................................4
d. Sp e c I f I c ..............................................................................................................................................................4
e. X-rA y S ..............................................................................................................................................................5
f. SA f e t y lA B e l S .....................................................................................................................................................5
Ch 3 Equipment Description.............................................................................................6
A. Ge n e r A l .............................................................................................................................................................6
B. th e St o r e d e n e r G y Me c h A n I S M .............................................................................................................................6
1) Mechanical Description.......................................................................................................................................................... 6
2) Electrical Description.............................................................................................................................................................16
c. rA c k I n G Me c h A n I S M ......................................................................................................................................... 17
1) General Description...............................................................................................................................................................17
2) Standard Racking Mechanism............................................................................................................................................19
d. cI r c u I t Br e A k e r co M p A r t M e n t In t e r f A c e S ........................................................................................................... 19
1) Primary Disconnecting Devices..........................................................................................................................................19
2) Secondary Disconnecting Devices.....................................................................................................................................19
3) MOC (Mechanism Operated Cell Switch) Actuator........................................................................................................19
4) TOC (Truck Operated Cell Switch) Actuator.....................................................................................................................20
5) Ground Connection ...............................................................................................................................................................20
6) Shutter Rollers.........................................................................................................................................................................20
7) Anti-Rollout Latch..................................................................................................................................................................20
e. vA c u u M In t e r r u p t e r S ....................................................................................................................................... 20
f. vA c u u M In t e r r u p t e r co n n e c t I o n ....................................................................................................................... 20
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PowlVac®STD Vacuum Circuit Breaker
IB-60201
Contents
Ch 4 Installation..............................................................................................................21
A. re c e I v I n G ........................................................................................................................................................ 21
B. hA n d l I n G ........................................................................................................................................................ 21
c. St o r A G e .......................................................................................................................................................... 22
d. pl A c I n G t h e cI r c u I t Br e A k e r In t o Se r v I c e ............................................................................................................ 23
1) High Voltage Insulation Integrity .......................................................................................................................................23
2) Vacuum Integrity....................................................................................................................................................................24
3) Control Voltage Insulation Integrity..................................................................................................................................25
4) Mechanical Operation Check..............................................................................................................................................26
5) Electrical Operation Check...................................................................................................................................................26
6) Racking Mechanism Check..................................................................................................................................................27
e. In S e r t I n G th e cI r c u I t Br e A k e r In t o th e cI r c u I t Br e A k e r co M p A r t M e n t .................................................................. 28
1) Prior to Inserting the Circuit Breaker into the Circuit Breaker Compartment..........................................................29
2) Inserting the Circuit Breaker to the Test/Disconnected Position.................................................................................30
3) Inserting the Circuit Breaker to the Connected Position...............................................................................................31
f. re M o v I n G t h e cI r c u I t Br e A k e r f r o M t h e cI r c u I t Br e A k e r co M p A r t M e n t .................................................................. 33
1) Removing the Circuit Breaker from the Connected to the Test/Disconnected Position........................................33
2) Removing the Circuit Breaker from the Test/Disconnected Position out of the Circuit Breaker
Compartment .........................................................................................................................................................................33
G. In S e r t I n G t h e cI r c u I t Br e A k e r uS I n G th r o u G h do o r rA c k I n G op t I o n ..................................................................... 34
1) Inserting the Circuit Breaker to the Test/Disconnect Position .....................................................................................34
2) Inserting the Circuit Breaker to the Connected Position...............................................................................................34
h. re M o v I n G t h e cI r c u I t Br e A k e r uS I n G th r o u G h do o r op t I o n ................................................................................ 37
1) Removing the Circuit Breaker from the Connected to the Test/Disconnected Position........................................37
2) Removing the Circuit Breaker from the Test/Disconnected Position out of the Circuit Breaker
Compartment .........................................................................................................................................................................38
3) Power Racking ........................................................................................................................................................................38
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IB-60201
Contents
Ch 5 Maintenance...........................................................................................................39
A. Ge n e r A l de S c r I p t I o n ........................................................................................................................................ 39
1) Introduction.............................................................................................................................................................................39
2) Inspection and Cleaning ......................................................................................................................................................40
B. Me c h A n I S M Ar e A ............................................................................................................................................. 40
1) Mechanical Operation ..........................................................................................................................................................40
2) Lubrication...............................................................................................................................................................................44
3) Closing Spring Removal........................................................................................................................................................44
4) Slow Closing of Mechanism.................................................................................................................................................45
5) Mechanism Adjustments......................................................................................................................................................46
6) Electrical Operation...............................................................................................................................................................50
c. vA c u u M In t e r r u p t e r A n d co n t A c t Ar e A ............................................................................................................. 50
1) Vacuum Interrupter and Contact Erosion........................................................................................................................50
2) Vacuum Integrity....................................................................................................................................................................51
3) Mechanical Adjustment of Vacuum Interrupters ...........................................................................................................51
d. op t I o n A l MA I n t e n A n c e pr o c e d u r e S ................................................................................................................... 51
1) High Potential Tests ...............................................................................................................................................................51
2) Timing.......................................................................................................................................................................................51
3) Primary Resistance Check ....................................................................................................................................................52
Ch 6 Recommended Renewal Parts and Replacement Procedures ...............................53
A. or d e r I n G In S t r u c t I o n S ..................................................................................................................................... 53
B. re c o M M e n d e d re n e W A l pA r t S ........................................................................................................................... 53
c. re p l A c e M e n t pr o c e d u r e S .................................................................................................................................. 53
1) Vacuum Interrupter Assembly.............................................................................................................................................54
2) Sliding Contact Finger Assembly........................................................................................................................................58
3) Closing Coil Assembly ...........................................................................................................................................................58
4) Primary Shunt Trip Coil Assembly ......................................................................................................................................59
5) Secondary Shunt Trip Coil Assembly .................................................................................................................................59
6) Undervoltage Device Assembly (UV).................................................................................................................................60
7) Charging Motor Assembly ...................................................................................................................................................60
8) Anti-Pump Relay Assembly..................................................................................................................................................60
9) Latch Check Switch................................................................................................................................................................61
10) Motor Cutoff Switch Assembly............................................................................................................................................61
11) Auxiliary Switch ......................................................................................................................................................................62
12) Primary Disconnecting Device Spring Assembly............................................................................................................62
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PowlVac®STD Vacuum Circuit Breaker
IB-60201
Figures
Figure 1 PowlVac®STD Vacuum Circuit Breaker Front View with Cover......................7
Figure 2 PowlVac®STD Vacuum Circuit Breaker with Front Cover Removed ..............8
Figure 3 PowlVac®STD Vacuum Circuit Breaker Rear View ........................................9
Figure 4 Cam and Fundamental Linkage Positions ...................................................11
Figure 5 Mechanism and Trip Linkages......................................................................12
Figure 6 Operation Sequence .....................................................................................14
Figure 7 Typical AC Control Scheme ...........................................................................15
Figure 8 Typical DC Control Scheme...........................................................................15
Figure 9 Circuit Breaker with Shipping Bracket .........................................................21
Figure 10 Circuit Breaker on Crane...............................................................................22
Figure 11 Circuit Breaker in Shipping Carton...............................................................22
Figure 12 Secondary Disconnect Override Device.......................................................26
Figure 13 Secondary Disconnecting Device.................................................................31
Figure 14 Standard Circuit Breaker in Test Position ....................................................31
Figure 15 Pushing Manual Trip Operator & Accessing Racking Drive Shaft ...............32
Figure 16 Racking the Standard Circuit Breaker..........................................................32
Figure 17 Racking Drive Shaft Extension Insertion .....................................................35
Figure 18 Accessing Racking Drive Shaft Extension ....................................................35
Figure 19 Through Door Racking Option .....................................................................36
Figure 20 Anti-Rollout Latch.........................................................................................38
Figure 21 Lubrication....................................................................................................42
Figure 22 Lubrication (cont) .........................................................................................43
Figure 23 Main Closing Spring Assembly Compressed for Removal...........................44
Figure 24 Main Closing Spring Assembly Installed .....................................................45
Figure 25 Primary Trip Prop Adjustment......................................................................47
Figure 26 Feeler Gauge .................................................................................................48
Figure 27 Latch Check Switch Adjustment ...................................................................49
Figure 28 Tension Relieved on Opening Springs..........................................................54
Figure 29 Operating Pin Removal.................................................................................54
Figure 30 Lower Contact Block Setting ........................................................................56
Figure 31 Bell Crank Removal.......................................................................................56
Figure 32 Operating Yoke Setting.................................................................................56
Figure 33 Primary Current Path....................................................................................63
Figure 34 Control Devices.............................................................................................65
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IB-60201
Tables
Table A Field Dielectric Test Values..................................................................................23
Table B Lubrication ..........................................................................................................41
Table C Timing..................................................................................................................51
Table D Primary Resistance..............................................................................................52
Table E Primary Current Path ..........................................................................................63
Table F Control Devices....................................................................................................64
Table G Miscellaneous Parts............................................................................................66
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PowlVac®STD Vacuum Circuit Breaker
IB-60201
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