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Powell POWLVAC 15PV63SASD Instructions Manual

Automatic secondary disconnect circuit breaker
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Instructions
IB-60030
®
POWLVAC
63kA
AUTOMATIC SECONDARY DISCONNECT (ASD)
CIRCUIT BREAKER
Model Number: 15PV63SASD
Installation
Maintenance
Renewal Parts
•
Powell Electrical Systems, Inc.
www.powellind.com
•
http://www.powellservice.com
Powell Apparatus Service Division (PASD)
PO Box 12818, Houston, Texas 77217
•
•
Tel: 713-944-6900
Fax: 713-947-4453
©2001 Powell Electrical Systems, Inc.
All rights reserved.
02/2005

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  • Page 1 Model Number: 15PV63SASD Installation Maintenance Renewal Parts • Powell Electrical Systems, Inc. www.powellind.com • http://www.powellservice.com Powell Apparatus Service Division (PASD) PO Box 12818, Houston, Texas 77217 • • Tel: 713-944-6900 Fax: 713-947-4453 ©2001 Powell Electrical Systems, Inc. All rights reserved. 02/2005...

  • Page 2: Table Of Contents

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Contents Section Page INTRODUCTION ........................7 A. SCOPE ............................... 7 B. PURPOSE ............................7 C. INSTRUCTION BULLETINS AVAILABLE ELECTRONICALLY ............7 SAFETY ............................7 A. GENERAL ............................8 B. SPECIFIC ............................8 C. X-RAYS ............................... 8 D.
  • Page 3 ® PowlVac 63kA ASD Circuit Breaker IB-60030 Contents Section Page Inserting the ASD Circuit Breaker ....................26 2) Racking the ASD Circuit Breaker ....................27 3) Through Door Racking Option for the ASD Circuit Breaker ............30 4) Power Racking ..........................31 MAINTENANCE ........................
  • Page 4 ® PowlVac 63kA ASD Circuit Breaker IB-60030 Figures Figure Page Figure 1. PowlVac® 63kA ASD Circuit Breaker ....................9 Figure 2. PowlVac® 63kA ASD Circuit Breaker (Top and Side View) .............. 10 Figure 3. PowlVac® 63kA ASD Circuit Breaker (Rear View) ................11 Figure 4.
  • Page 5 ® PowlVac 63kA ASD Circuit Breaker IB-60030 Tables Figure Page Table A. Field Dielectric Test Values ........................ 23 Table B. Timing ..............................38 Table C. Primary Resistance ..........................38 Table D. Lubrication ............................39 Table E. Primary Current Path .......................... 43 Table F.
  • Page 6 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 ELECTRICAL MANUFACTURING COMPANY IMMEDIATELY AT 1-800-480-7273. WARNING BEFORE ANY ADJUSTMENT, SERVICING, PARTS REPLACEMENT,...

  • Page 7: Introduction

    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 ELECTRICAL MANUFACTURING COMPANY AT 1-800-480-7273. C. INSTRUCTION BULLETINS AVAILABLE...

  • Page 8: General

    DO NOT FORCE THE PARTS INTO POSITION. sphere, vermin, and insect problems. CONTACT POWELL ELECTRICAL MANUFAC- TURING COMPANY FOR INSTRUCTIONS. B. SPECIFIC C. X-RAYS 1. DO NOT WORK ON AN ENERGIZED CIRCUIT BREAKER.

  • Page 9: Equipment Description

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 and manual operators is considered the front of the III. EQUIPMENT DESCRIPTION circuit breaker. By removing the front cover, the operating mechanisms of the circuit breaker are A. GENERAL DESCRIPTION exposed. The stored-energy mechanism assembly provides motion to each of the vacuum interrupter PowlVac ®...

  • Page 10: Figure 2. Powlvac 63Ka Asd Circuit Breaker (Top And Side View)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 ® Figure 2. PowlVac 63kA ASD Circuit Breaker (Top and Side View) a. Secondary Disconnect - Pins b. Serial Number Plate c. Ground Connection...

  • Page 11: Figure 3. Powlvac 63Ka Asd Circuit Breaker (Rear View)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 (ASD Back View with Barriers Removed) (ASD Side View with Barriers Removed) ® Figure 3. PowlVac 63kA ASD Circuit Breaker (Rear View) q. Jackshaft Pin a. Support Strut i. Wheel r. Operating Pushrod b.

  • Page 12: Figure 4. Asd Circuit Breaker - Interior View (Front Cover Removed)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Figure 4. ASD Circuit Breaker - Interior View (Front Cover Removed) Anti-Pump Relay Anti-Rollout Latch aa. Reset Spring Opening Spring Motor Cutoff Cam ab. Main Closing Cam Shock Absorber (Dashpot) Charging Motor Drive Shaft ac.

  • Page 13: The Stored-Energy Mechanism

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 B. THE STORED-ENERGY MECHANISM When the charging motor is energized, the eccentric drive shaft rotates and causes the pawl support arms 1) Mechanical Description to pivot about the camshaft (Figure 4, ae). The drive pawl, which is supported by the arms, engages with The stored-energy mechanism is located in the front of the ratchet wheel and drives the ratchet wheel one...

  • Page 14: Electrical Description

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 The close latch, when released either by the closing The fundamental linkage is restrained from movement coil or the manual close operator, allows the main by the secondary trip prop acting on the primary trip closing spring to pull the crank arms upward thus prop roller.
  • Page 15 ® PowlVac 63kA ASD Circuit Breaker IB-60030 c) Anti-Pump Relay Either a secondary shunt trip coil or an undervoltage device may be furnished as an option. When fur- The anti-pump relay (Figure 4, a) provides a logic nished, either of these devices will be located at the function for the control circuit which prevents a continu- top right side of the mechanism, installed on the lower ous electrical close signal from causing the circuit...

  • Page 16: Figure 5. Cam And Fundamental Linkage Positions

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 3 b. 3 a. 3 d. 3 c. Figure 5. Cam and Fundamental Linkage Positions Figure 6. Mechanism and Trip Linkages Secondary Trip Prop Adjusting Screw Secondary Trip Prop Shaft Secondary Trip Prop Secondary Linkage Roller Main Cam Roller Reset Spring...

  • Page 17: Figure 7. Operation Sequence (Standard Control)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 SECONDARY DISCONNECT MAKES GREEN LIGHT MOTOR "M" ENERGIZED ENERGIZED CLOSE SPRING CHARGED MAKES BREAKS BREAKS MAKES MAKES WHITE LIGHT MOTOR "M" "Y" CIRCUIT ENERGIZED DE-ENERGIZED DISABLED CLOSE CONTROL "CS/C" MAKES CLOSE COIL "CC" ENERGIZED CLOSE SPRING DISCHARGED...

  • Page 18: Figure 8. Typical Control Scheme

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 CLOSE TRIP TO RATED TO RATED TO RATED CONTROL POWER CONTROL POWER CONTROL POWER 125VDC/120VAC 125VDC 125VDC 125VDC DEVICE IDENTIFICATION = Spring Charge Limit Switch (shown with CC = Breaker Close Coil spring discharged) = Charging Motor LCS = Latch Check Switch (shown with spring 52/a = Breaker Auxiliary Contact (normally open)

  • Page 19: Racking Mechanism

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 C. RACKING MECHANISM A racking drive shaft shutter on the front of the circuit breaker restricts access to the racking drive shaft. The 1) General Description shutter cannot be moved downward until the manual trip operator is pushed inward.

  • Page 20: Circuit Breaker Compartment Interfaces

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 indicator on the front of the circuit breaker will display extension of the metal-clad switchgear ground bus is BREAKER CONNECTED. secured to the circuit breaker compartment floor and engages the ground connection as the circuit breaker D.

  • Page 21: Installation

    When the circuit breaker is received check for any sign of damage. If damage is found or suspected, file all claims immediately with the transportation company and notify the nearest representative of Powell Electri- cal Manufacturing Company. Estimated size and weight for shipping a PowlVac ®...

  • Page 22: Storage

    SERVICE Before shipment from the factory, all circuit breaker functions are thoroughly checked. The user must verify functions after receipt. Powell Electrical Manu- facturing Company recommends that the tests be performed in the sequence listed below: 1. High Voltage Insulation Integrity 2.

  • Page 23: Vacuum Integrity

    AN ELECTRICAL CHARGE MAY BE RETAINED BY THE VACUUM INTERRUPTERS. FAILURE TO DISCHARGE THIS RESIDUAL ELECTROSTATIC CHARGE Powell recommends AC testing for reliable verification COULD RESULT IN AN ELECTRICAL SHOCK. of vacuum integrity. All PowlVac ® 5kV and 15kV circuit...

  • Page 24: Control Voltage Insulation Integrity

    DC leakage current. There is no signifi- to the instruction bulletin provided with the vacuum cant correlation. integrity tester. Powell recognizes the widespread use of DC hipot equipment in the field and the desire to use this CAUTION equipment to verify vacuum integrity. However, the...

  • Page 25: Mechanical Operation Check

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 4) Mechanical Operation Check CAUTION The mechanical operation of the circuit breaker is checked by inserting the manual charging handle into THE MOC ACCUATOR IS EXPOSED WHEN the manual charging crank and pushing down until a THE CIRCUIT BREAKER IS OUTSIDE THE metallic click is heard.

  • Page 26: Inserting The Circuit Breaker Into The Metal-Clad Switchgear

    If the primary DAMAGE OR INJURY. disconnecting devices are damaged make no attempt to repair. Contact Powell Electrical Manufacturing Company for further information. Examine the circuit breaker compartment to see that it is clean and clear of debris that might interfere with...

  • Page 27: Racking The Asd Circuit Breaker

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 b) Racking the Circuit Breaker into the Circuit Breaker Compartment CAUTION The described racking procedures apply only for indoor BEFORE ATTEMPTING TO RACK A CIRCUIT type and non arc-resistant constructions. For all other BREAKER IN OR OUT OF A CIRCUIT BREAKER constructions, refer to the appropriate instructions or COMPARTMENT EQUIPPED WITH A KEY...

  • Page 28: Figure 13. Asd Circuit Breaker - Test Position

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 4. To insert the secondary disconnect plug into the circuit breaker compartment’s secondary plug, Lift and rotate the pivotal lock (Figure 13 ,c) located on the back side of the secondary discon- nect slider box (Figure 13, b). Secure the push/pull handle (Figure 13, a), located on the top side of the secondary disconnect slider box, and push the handle forward until the plug on the back side of...

  • Page 29: Figure 16. Asd Circuit Breaker Removal - Applying The Anti-Rollout Latch

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 6. Release the manual trip operator. The manual trip racking drive shaft shutter. The racking handle operator will remain actuated as long as the socket may be used to push down the shutter to shutter is held open by the racking handle socket.

  • Page 30: Through Door Racking Option For The Asd Circuit Breaker

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 3) Through Door Racking Option for the 4. To insert the secondary disconnect plug into the ASD Circuit Breaker circuit breaker compartment’s secondary plug, Lift and rotate the pivotal lock (Figure 13 ,c) a) Racking the Circuit Breaker to the located on the back side of the secondary discon- Connected Position...

  • Page 31: Power Racking

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 overlap of the primary disconnecting devices. 6. Insert the racking handle onto the racking drive Continue racking until the breaker position indica- shaft extension bar and turn the racking handle tor displays BREAKER CONNECTED. This will be counterclockwise until the breaker position indica- approximately 22 rotations from the starting point.

  • Page 32: Maintenance

    IMPORTANT indicate inspection and maintenance at more frequent intervals. Very clean and dry conditions combined with CONTACT POWELL APPARATUS SERVICE low switching duty will justify longer times between DIVISION FOR ASSISTANCE IN inspection and maintenance operations. With experi-...

  • Page 33: Inspection And Cleaning

    Use a vacuum cleaner, or Powell offers a complete lubrication kit (Powlube-102) wipe with a dry lint-free cloth or an industrial-type wiper which contains all the lubricants required for maintain- to clean the circuit breaker.

  • Page 34: Main Closing Spring Removal, Slow Closing Of Mechanism, And Latch Check Switch Adjustment

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Table D shows the location of all surfaces that should be lubricated together with the type of lubricant and method of application. The guiding rule in lubrication is to lubricate regularly, use lubricant sparingly and remove all excess lubricant.

  • Page 35: Figure 20. Latch Check Switch Adjustment

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Continue to operate the manual charging handle until 5. Insert a 0.045" gauge between the secondary trip the crank arms point upward. The circuit breaker will prop adjusting screw and latch check operator. now be closed and there will be a gap between the Rotate the latch check switch upwards until the operating pushrod lock nuts and the contact spring...

  • Page 36: Mechanism Adjustments

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 b) Adjustment of Primary and Secondary Trip 4) Mechanism Adjustments Prop WARNING Adjust the secondary trip prop adjusting screw (Figure 2, ad) so that the secondary trip prop top edge is in the WHEN ANY MAINTENANCE PROCEDURE line of sight with the top of the rivet of the primary trip REQUIRES THE OPENING OR CLOSING OF...

  • Page 37: Electrical Operation

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 c) Adjustment of Close Latch Shaft C. VACUUM INTERRUPTER AND CONTACT AREA The close latch shaft (Figure 4, ai) passes through the 1) Vacuum Interrupter and Contact Erosion side sheets of the stored-energy mechanism frame at At each inspection the vacuum interrupters should be the front of and below the camshaft.

  • Page 38: Optional Maintenance Procedures

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 D. OPTIONAL MAINTENANCE PROCEDURES 3) Primary Resistance Check 1) High Potential Tests This check is not required for routine maintenance but it is recommended after any major maintenance that High potential tests are not required for routine mainte- requires disassembly of any part of the primary current nance but are recommended after a heavy fault inter- path.

  • Page 39: Table D. Lubrication

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Table D. Lubrication Location Reference Lubricant Method Figure Electrical Parts Primary Disconnecting Device Fig. 23 [ b ] Mobilgrease 28 Wipe clean. Apply lubricant only to actual contact surface. Ground Connection Fig. 24 [ t ] Mobilgrease 28 Wipe clean.

  • Page 40: Figure 23. Lubrication (1 Of 2)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Right Rear View (Barrier’s Installed) Figure 23. Lubrication (1 of 2) a. Secondary b. Primary c. Spring Yoke d. Trip Shaft Disconnect Disconnecting Bearing Receptacle Device i. Pawls g. Jackshaft Lever h. Motor Shaft e.

  • Page 41: Figure 24. Lubrication (2 Of 2)

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Right Rear View (Barrier’s Installed) Figure 24. Lubrication (2 of 2) o. Racking p. Primary Trip q. Flag Support Mechanism Prop r. Open-Closed s. Jackshaft Outer t. Ground u. Motor Drive v. Wheel Bearings Connection Shaft Coupling...

  • Page 42: Recommended Renewal Parts And Repair Procedures

    1) Order Renewal Parts from contact of renewal parts should be stocked, the quantity Powell Apparatus Service Division (PASD) at depending on the severity of the service and the time www.powellservice.com or required to secure replacements.

  • Page 43: Figure 25. Primary Current Path

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Table E. Primary Current Path Breaker Rated Rated Primary Primary Operating Type Continuous Disconnecting Disconnecting Pushrod k factor = 1 Current Device (Upper) (1) Device (Lower) Assembly Left Right 15PV63 15.00 1200A 50403P11 50403P13 50403P12 50934G21P...

  • Page 44: Figure 26. Control Devices

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Table F. Control Devices (1) Control Closing Primary Shunt Trip Coil Secondary Undervoltage Charging Anti-Pump Relay Voltage Coil Assembly (2) Shunt Trip Coil Device Motor Assembly (5) Assembly Assembly (3) Assembly (4) Assembly 3 cycle 5 cycle 24V dc...

  • Page 45: Table G. Miscellaneous Parts

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 Table G. Miscellaneous Parts Description Illustration Catalog No. Auxiliary Switch Push-on Terminals 102108LN Screw Terminals 102108LP Ground Connection 50952G02P Latch Check Switch BA-2RV2-A2 Motor Cutoff Switch Assembly 5075603P ® PowlVac Hardware Kit 60500G24 PowlVac ®...

  • Page 46: Replacement Procedures

    1) Vacuum Interrupter Assembly The vacuum interrupter assembly should only be replaced by a qualified technician or a PASD service technician. Contact Powell Electrical Manufacturing Company for further assistance at 1-800-480-7273. 2) Closing Coil Assembly The closing coil assembly is located center and Figure 28.

  • Page 47: Secondary Shunt Trip Coil Assembly

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 4. Bolt the new assembly in place and reconnect it 6. Trip the circuit breaker several times electrically to to the wiring harness. ensure that secondary shunt trip coil assembly is functioning properly. 5.

  • Page 48: Charging Motor Assembly

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 2. Remove the bolt holding the retaining clip to the 4. Lubricate the end of the shaft of the new charging ground connection mounting bracket, and remove motor liberally with Rheolube 368A grease. the retaining clip.

  • Page 49: Latch Check Switch

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 of the circuit breaker, then replacing the resistor. 10) Motor Cutoff Switch Assembly Reassemble the new resistor back to the original The motor cutoff switch assembly is located at the location. bottom right of the base pan of the mechanism, just to 8.

  • Page 50: Auxiliary Switch

    ® PowlVac 63kA ASD Circuit Breaker IB-60030 11) Auxiliary Switch 12) Primary Disconnecting Device Spring Assembly The auxiliary switch is located at the bottom left of the base pan of the mechanism area. See Figure 2, g. and The primary disconnecting device spring assembly is Figure 36.
  • Page 51 25 receiving 21 AC or DC high potential test vacuum integrity 23 size and weight 21 22, 24 Powell Apparatus Service Division 7 storage 22 Timing table 38 information 32, 42 Instruction Bulletins 7 PowlVac Type PV...
  • Page 52 AUTOMATIC SECONDARY DISCONNECT (ASD) CIRCUIT BREAKER MODEL NUMBER: 15PV63SASD • Powell Electrical Systems, Inc. www.powellind.com • http://www.powellservice.com Powell Apparatus Service Division (PASD) PO Box 12818, Houston, Texas 77217 • • Tel: 713-944-6900 Fax: 713-947-4453 ©2001 Powell Electrical Systems, Inc. All rights reserved.

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