Powell IPS PowlVac IB-60202 CDR User manual

IB-60202 PowlVac®CDR
Vacuum Circuit Breaker
5kV & 15kV
1200A, 2000A, & 3000A
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IB-60202
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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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.
PowlVac®CDR Vacuum Circuit Breaker IB-60202
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IB-60202
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 en 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) Closed Door 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 Contact) Actuator ............................................................................................................20
4) TOC (Truck-Operated Contact) 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 ....................................................................................................................... 21
Ch 4 Installation..............................................................................................................22
A. re c e I v I n G ........................................................................................................................................................ 22
B. hA n d l I n G ........................................................................................................................................................ 22
c. St o r A G e .......................................................................................................................................................... 23
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 ............................................................................................................ 24
1) High Voltage Insulation Integrity .......................................................................................................................................24
2) Vacuum Integrity....................................................................................................................................................................25
3) Control Voltage Insulation Integrity..................................................................................................................................26
4) Mechanical Operation Check..............................................................................................................................................27
5) Electrical Operation Check...................................................................................................................................................28
6) Racking Mechanism Check..................................................................................................................................................28
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ii
PowlVac®CDR Vacuum Circuit Breaker
IB-60202
Contents
e. In S e r t I n G t h e cI r c u I t Br e A k e r In t o 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 .................................................................... 29
1) Prior to Inserting the Circuit Breaker into the Circuit Breaker Compartment..........................................................30
2) Inserting the Circuit Breaker to the Test/Disconnected Position.................................................................................31
3) Inserting the Circuit Breaker to the Connected Position...............................................................................................32
f. re M o v I n G t h e cI r c u I t Br e A k e r fr 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 ................................................................. 34
1) Removing the Circuit Breaker from the Connected to the Test/Disconnected Position........................................34
2) Removing the Circuit Breaker from the Test/Disconnected Position out of the Circuit Breaker
Compartment .........................................................................................................................................................................34
3) Power Racking ........................................................................................................................................................................35
Ch 5 Maintenance...........................................................................................................36
A. Ge n e r A l de S c r I p t I o n ........................................................................................................................................ 36
1) Introduction.............................................................................................................................................................................36
2) Inspection and Cleaning ......................................................................................................................................................40
B. Me c h A n I S M Ar e A ............................................................................................................................................. 40
1) Mechanical Operation ..........................................................................................................................................................40
2) Lubrication...............................................................................................................................................................................41
3) Closing Spring Removal........................................................................................................................................................41
4) Slow Closing of Mechanism.................................................................................................................................................42
5) Mechanism Adjustments......................................................................................................................................................43
6) Electrical Operation...............................................................................................................................................................47
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 ............................................................................................................. 48
1) Vacuum Interrupter and Contact Erosion........................................................................................................................48
2) Vacuum Integrity....................................................................................................................................................................48
3) Mechanical Adjustment of Vacuum Interrupters ...........................................................................................................48
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 ................................................................................................................... 48
1) High Potential Tests ...............................................................................................................................................................48
2) Timing.......................................................................................................................................................................................49
3) Primary Resistance Check ....................................................................................................................................................49
Ch 6 Recommended Renewal Parts and Replacement Procedures ...............................50
A. or d e r I n G In S t r u c t I o n S ..................................................................................................................................... 50
B. re c o M M e n d e d re n e W A l pA r t S ........................................................................................................................... 50
c. re p l A c e M e n t pr o c e d u r e S .................................................................................................................................. 50
1) Vacuum Interrupter Assembly.............................................................................................................................................51
2) Sliding Contact Finger Assembly........................................................................................................................................55
3) Closing Coil Assembly ...........................................................................................................................................................55
4) Primary Shunt Trip Coil Assembly ......................................................................................................................................56
5) Secondary Shunt Trip Coil Assembly .................................................................................................................................56
6) Undervoltage Device Assembly..........................................................................................................................................57
7) Charging Motor Assembly ...................................................................................................................................................57
8) Anti-Pump Relay Assembly..................................................................................................................................................57
9) Latch Check Switch................................................................................................................................................................57
10) Motor Cutoff Switch Assembly............................................................................................................................................58
11) Auxiliary Switch ......................................................................................................................................................................58
12) Primary Disconnecting Device Spring Assembly............................................................................................................59
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IB-60202
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Figures
Figure 1 PowlVac®CDR Vacuum Circuit Breaker Front View with Cover .....................7
Figure 2 PowlVac®CDR Vacuum Circuit Breaker with Front Cover Removed..............8
Figure 3 PowlVac®CDR 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 Closed Door Racking Mechanism and Interlock ..........................................18
Figure 10 Circuit Breaker in Shipping Carton...............................................................22
Figure 11 Circuit Breaker on Crane...............................................................................23
Figure 12 Circuit Breaker with Shipping Bracket .........................................................23
Figure 13 Secondary Disconnect Override Device.......................................................27
Figure 14 Inserting Circuit Breaker into Compartment ...............................................31
Figure 15 Secondary Disconnecting Devices ...............................................................32
Figure 16 Racking Mechanism Retainer Assembly ......................................................32
Figure 17 Accessing Racking Drive Shaft Extension ....................................................32
Figure 18 Racking the Closed Door Racking Circuit Breaker (CDR).............................33
Figure 19 Anti-Rollout Latch.........................................................................................35
Figure 20 Lubrication....................................................................................................38
Figure 21 Lubrication (cont) .........................................................................................39
Figure 22 Main Closing Spring Assembly Compressed for Removal...........................41
Figure 23 Main Closing Spring Assembly Installed .....................................................42
Figure 24 Primary Trip Prop Adjustment......................................................................44
Figure 25 Feeler Gauge .................................................................................................45
Figure 26 Latch Check Switch Adjustment ...................................................................46
Figure 27 Tension Relieved on Opening Springs..........................................................51
Figure 28 Operating Pin Removal.................................................................................51
Figure 29 Lower Contact Block Setting ........................................................................53
Figure 30 Bell Crank Removal.......................................................................................53
Figure 31 Operating Yoke Setting.................................................................................53
Figure 32 Primary Current Path....................................................................................60
Figure 33 Control Devices.............................................................................................62
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iv
PowlVac®CDR Vacuum Circuit Breaker
IB-60202
Tables
Table A Field Dielectric Test Values..................................................................................24
Table B Lubrication ..........................................................................................................37
Table C Timing..................................................................................................................49
Table D Primary Resistance .............................................................................................49
Table E Primary Current Path ..........................................................................................60
Table F Control Devices....................................................................................................61
Table G Miscellaneous Parts............................................................................................63
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General Information
IB-60202
WARNINGWARNING
!
The equipment described in this document may contain high voltages and currents which can
cause serious injury or death.
The equipment is designed for use, installation, and maintenance by knowledgeable users of such
equipment having experience and training in the field of high voltage electricity. This document
and all other documentation shall be fully read, understood, and all warnings and cautions
shall be abided by. If there are any discrepancies or questions, the user shall contact Powell
immediately at 1.800.480.7273.
WARNINGWARNING
!
Before any adjustment, servicing, part replacement, or any other act is performed requiring
physical contact with the electrical working components or wiring of this equipment, the power
supply must be disconnected. Failure to follow this warning may result in injury or death.
IMPORTANTIMPORTANT
!
The information in this instruction bulletin is not intended to explain all details or variations of the
Powell equipment, nor to provide for every possible contingency or hazard to be met in connection
with installation, testing, operation, and maintenance of the equipment. For additional
information and instructions for particular problems, which are not presented sufficiently for the
user’s purposes, contact Powell at 1.800.480.7273.
Ch 1 General Information
Powell reserves the right to discontinue and to change specifications at any time without incurring
any obligation to incorporate new features in products previously sold.
IMPORTANTIMPORTANT
!
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2General Information
PowlVac®CDR Vacuum Circuit Breaker
IB-60202
A. Sc o p e
The information in this instruction bulletin
describes the following PowlVac® CDR vacuum
circuit breaker.
• 05PV36CDR
• 05PV50CDR
• 15PV25CDR
• 15PV36CDR
• 15PV50CDR
B. pu r p o S e
The information in this instruction bulletin is
intended to provide information required to
properly operate and maintain the
PowlVac CDR vacuum circuit breakers
described in Ch 1 General Information, A.
Sc o p e .
This instruction bulletin provides:
1. Safety guidelines
2. General descriptions of the operation and
maintenance of the PowlVac CDR vacuum
circuit breaker
3. Instructions for installation and placing the
circuit breaker into service
4. Instructions for part replacement
5. Information for ordering renewal parts
6. Procedure for critical adjustments
7. Illustrations, photographs, and description
of the circuit breaker
The illustrations contained in this document
may not represent the exact construction
details of each particular type of PowlVac CDR
vacuum circuit breaker. The illustrations in this
document are provided as general information
to aid in showing component locations.
All illustrations and photos are shown using
deenergized equipment.
Be sure to follow the appropriate safety
precaution while handling any of the
equipment. Failure to do so may result in
serious injury or death.
WARNINGWARNING
!
To the extent required, the products described
herein meet the applicable ANSI, IEEE, and
NEMA Standards; however, no such assurance
is given with respect to local codes and
ordinances which may vary greatly.
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
For more information visit www.powellind.
com. To contact the Powell Service Division call
1.800.480.7273 or 713.944.6900, or email
[e-mail].
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Safety
IB-60202
Ch 2 Safety
A. SA f e Wo r k co n d I t I o n
The information in Section A is quoted from
NFPA 70E 2004 - Article 120, 120.1 Establishing an
Electrically Safe Work Condition.
120.1 Process of Achieving an Electrically Safe
Work Condition
1. Determine all possible sources of electrical
supply to the specific equipment. Check
applicable up-to-date drawings, diagrams,
and identification tags.
2. After properly interrupting the load current,
OPEN the disconnecting device(s) for each
source.
3. Wherever possible, visually verify that all
blades of the disconnecting devices are
fully OPEN or that drawout type circuit
breakers are withdrawn to the fully
disconnected position.
4. Apply lockout/tagout devices in accordance
with a documented and established policy.
5. Use an adequately rated voltage detector
to test each phase conductor or circuit part
to verify they are deenergized. Test each
phase conductor or circuit part both
phase-to-phase, and phase-to-ground.
Before and after each test, determine
that the voltage detector is operating
satisfactorily.
6. Where the possibility of induced voltages
or stored electrical energy exists, ground
the phase conductors or circuit parts
before touching them. Where it could be
reasonably anticipated that the conductors
or circuit parts being deenergized
could contact other exposed energized
conductors or circuit parts, apply ground
connecting devices rated for the available
fault duty.
B. SA f e t y Gu I d e l I n e S
Study this instruction bulletin and all other
associated documentation before uncrating
the circuit breakers.
Each user has the responsibility to instruct and
supervise all personnel associated with usage,
installation, operation, and maintenance of this
equipment on all safety procedures.
Furthermore, each user has the responsibility of
establishing a safety program for each type of
equipment encountered.
The circuit breakers described in this
instruction bulletin are operated by a
high-energy, high-speed mechanism that
is interlocked to provide specific operating
sequences. It is mandatory that the following
rules be observed to ensure the safety of
personnel associated with usage, installation,
operation, and maintenance of these circuit
breakers.
The safety rules in this instruction bulletin are
not intended to be a complete safety program.
The rules are intended to cover only some of the
important aspects of personnel safety related to
PowlVac®CDR vacuum circuit breakers.
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