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Powell PowlVac 1200 Manual

Electrically operated ground and test device
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01.4IB.50026A PowlVac®Electrically
Operated Ground and Test Device
5kV & 15kV, up to 50kA
per ConEd Specification EO-2022-15
for ConEd CUSTOMER
Powered by Safety
®

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  • Page 1 01.4IB.50026A PowlVac®Electrically Operated Ground and Test Device 5kV & 15kV, up to 50kA per ConEd Specification EO-2022-15 for ConEd CUSTOMER Powered by Safety ®...
  • Page 2 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Contact Information Powell Electrical Systems, Inc. www.powellind.com info@powellind.com Service Division PO Box 12818 Houston, Texas 77217-2818 Tel: 713.944.6900 Fax: 713.948.4569 Powered by Safety ®...
  • Page 3 01.4IB.50026A Signal Words Qualified Person As stated in ANSI Z535.4-2007, the signal word is For the purposes of this manual, a qualified a word that calls attention to the safety sign and person, as stated in NFPA 70E®, is one who has designates a degree or level of hazard seriousness.
  • Page 4 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER This page is intentionally left blank. Powered by Safety ®...

  • Page 5: Table Of Contents

    01.4IB.50026A Contents Ch 1 General Information ....................1 A. S ................................2 cope B. I ....................2 nStructIon ulletInS vAIlABle lectronIcAlly Ch 2 Safety ........................3 A. S ............................3 ondItIon B. S ...............................3 Afety uIdelIneS c. G ................................4 enerAl d. S ................................4 pecIfIc e. S ..............................5 Afety ABelS...
  • Page 6 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Contents Ch 4 Installation ......................21 A. r ................................ 21 eceIvInG B. h ............................... 21 AndlInG c. S ................................. 21 torAGe d. e ..........................22 lectrIcAl perAtIon heck...
  • Page 7 01.4IB.50026A Contents Ch 7 Recommended Renewal Parts and Replacement Procedures ......42 A. o ............................. 42 rderInG nStructIonS B. r .......................... 42 ecommended eneWAl ArtS c. r ..........................43 eplAcement rocedureS 1) Grounding Switch Movable Contact ..........................43 2) Grounding Switch Stationary Contacts ...........................43 3) Closing Coil Assembly ................................44 4) Charging Motor Assembly ..............................44 5) Shunt Trip Coil ..................................45...
  • Page 8 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figures Figure 1 Ground & Test Device with Probes ..............8 Figure 2a Ground & Test Device Right View with Lower Primaries .......9 Figure 2b Ground &...

  • Page 9: Ch 1 General Information

    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.

  • Page 10: S Cope

    This instruction bulletin provides: For more information visit www.powellind.com. 1. Safety guidelines To contact the Powell Service Division call 1.800.480.7273 or 713.944.6900, or email 2. General descriptions of the operation and info@powellservice.com. maintenance of the ground & test device 3.

  • Page 11: Ch 2 Safety

    01.4IB.50026A Ch 2 Safety 6. Where the possibility of induced voltages or stored electrical energy exists, ground A. S the phase conductors or circuit parts ondItIon before touching them. Where it could be The information in Section A is quoted from reasonably anticipated that the conductors NFPA 70E 2012 - Article 120, 120.1 Establishing an or circuit parts being deenergized...

  • Page 12: G Eneral

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER c. G The following specific safety precautions must enerAl be observed: 1. Only supervised and qualified personnel trained in the usage, installation, operation, 1. Do not close the grounding switch on and maintenance of the ground and test an energized circuit.

  • Page 13: S Afety L Abels

    01.4IB.50026A e. S 8. For service, the device must be in the OPEN Afety ABelS position and all operating springs must The equipment described in this document be discharged. These conditions should has DANGER, WARNING, CAUTION, and be verified before removing any covers or instruction labels attached to various locations.

  • Page 14: Ch 3 Equipment Description

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Ch 3 Equipment Description purposes. The rating nameplate (Figure 1, i) on the front of the device will give the ratings A. G applicable to any individual device. enerAl c.

  • Page 15: S Tored E Nergy M Echanism

    01.4IB.50026A The hinges of the three grounding contacts are frame side sheets and transmits the motor connected together by a ground bus torque from the left to the right side of the (Figure 3, d), which is in turn connected to a mechanism.

  • Page 16: Figure 1 Ground & Test Device With Probes

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 1 Ground & Test Device with Probes a. Test Probes (shown with test leads attached) b. Key Lock K5 c. Racking Assembly d. Levering In Shutter e.

  • Page 17: Figure 2A Ground & Test Device Right View With Lower Primaries

    01.4IB.50026A Figure 2a Ground & Test Device Right View with Lower Primaries a. Crank Arm Roller b. Racking Gear c. Racking Crank Arm d. Worm Gear e. Levering-In Shutter Interlock f. Lower Primary Disconnecting Device g. Ground Connection h. Anti-Rollout Latch Wheel Figure 2b Ground &...
  • Page 18 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER When the close latch is released by the closing trip prop to move down, thus permitting the solenoid, the closing spring pulls the cam shaft main linkage to move down and the jack shaft around and the main closing cam moves the to rotate, opening the ground making switch.

  • Page 19: Figure 3 Mechanism - Top View

    01.4IB.50026A Figure 3 Mechanism - Top View a. Grounding Switch Stationary Contacts b. Grounding Switch Moveable Contacts c. Auxiliary Switch d. Ground Bus e. Control Relay f. Stored Energy Mechanism g. Pawl Return Spring Weldment h. Ratchet Wheel Pawl Support Arm Eccentric Roller k.

  • Page 20: Figure 4 Mechanism - Left View

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 4 Mechanism - Left View a. Charging Motor b. Shunt Trip Coil (when furnished) c. Motor Cutoff Switch d. Connecting Rod e. Close Latch Adjusting Screw Powered by Safety ®...

  • Page 21: Figure 5 Mechanism And Trip Linkages

    01.4IB.50026A Figure 5 Mechanism and Trip Linkages a. Center Phase Operating Lever b. Jack Shaft c. Primary Trip Prop Adjusting Screw d. Main Cam Roller e. Primary Trip Prop f. Main Drive Cam g. Primary Trip Prop Roller h. Secondary Linkage Roller Cam Shaft Trip Bar k.

  • Page 22: Figure 6 Cam And Fundamental Link Positions

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 6 Cam and Fundamental Link Positions Device Open - Springs Charged - Links Reset Device Open - Springs Discharged Device Closed - Springs Discharged Powered by Safety ®...

  • Page 23: T Est P Orts

    01.4IB.50026A f. t The upper set of three (3) test ports is ortS connected to the primary disconnecting The ground and test device is equipped with devices. three (3) high voltage test ports (Figure 7, a), mounted on a third insulation panel on the A set of three (3) test probes (Figure 7, c) is upper front of the device.

  • Page 24: I Nterlocking

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER h. I position. In all other positions of the nterlockInG ground and test device, the pin on the The ground and test device is provided with shutter rides on the surface of the cam and numerous interlocks as standard features, blocks closing of the shutter which in turn...

  • Page 25: C Ontrol R Elay

    01.4IB.50026A k. c n. k ontrol elAy ockS The control relay is mounted on the left hand The PowlVac® PV-E 60600G13 is provided with mechanism enclosure side sheet, near the top numerous key lock interlocks and include: (Figure 3, e). 1) Key Lock “K1”...

  • Page 26: Figure 9 Control Scheme

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 9 Control Scheme Control Box Optional #14 3/C SO Cord (B, W, G) FU/15A 120V 15A 3 Prong Plug PB/NO PB/NO #14 4/C Optional W X Y Z Contacts...

  • Page 27: Key Lock "K2" (Keys Kb And Kc)

    01.4IB.50026A 2) Key Lock “K2” (Keys KB and KC) When the ground and test device is in the connected position, the K3 interlock The key lock “K2” interlock is a two cylinder prevents access to the ground and lock used to mechanically lock the ground test-mounted racking device input shaft.

  • Page 28: Key Lock "K5" (Key Kd)

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Q. I 5) Key Lock “K5” (Key KD) nterchAnGeABIlIty The K5 interlock is a single cylinder lock PowlVac ground and test devices are not and is used to open and lock the test port interchangeable between the Con Edison and shutters.

  • Page 29: Ch 4 Installation

    Powell representative. Estimated size and weight for shipping a CAUTION PowlVac® on a pallet: Do not handle or move the ground and test •...

  • Page 30: E Lectrical O Peration C Heck

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER 1. Equipment designed for indoor installation battery chargers, UPS systems, lighting, must be stored indoors in a climate installation hardware and air conditioning. controlled environment to prevent If prolonged storage is anticipated, condensation of moisture.

  • Page 31: Test The Opening Operation Of The Ground And Test Device

    01.4IB.50026A 2) Test the Opening Operation of the Ground or momentary current rating is placed in any and Test Device compartment. If attempting to insert an improperly rated device into the switchgear, Note: Only applicable when the optional these coding plates will interfere with each shunt trip coil is supplied.

  • Page 32: Moving The Ground And Test Device From The Connected Position To The Disconnected Position

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER b. Push the manual push to trip paddle exceed 35 ft/lbs. Excessive force may on the lower portion of the front of the damage the device or the switchgear. device (Figure 1, n).

  • Page 33: Ch 5 Operating Procedures

    01.4IB.50026A Ch 5 Operating Procedures and the lower disconnect stabs of other compartments, it is vital that the operator be sure which set of disconnect stabs is to be The PowlVac® Electrically Operated Ground and grounded before inserting the device into Test Device is designed to provide access to the the switchgear compartment.

  • Page 34: Figure 12 Key Kb Into Key Lock K2 And Depressing Manual Trip Push Button

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 13 Inserting Key KC into Key Lock K3 4. Transfer key KB to key lock K2. Fully depress the manual trip operator and rotate key KB (Figure 12).

  • Page 35: Figure 15 Transfer Key Kb To Key Lock K1

    01.4IB.50026A Figure 17 Connecting Control Box to Device 10. Transfer key KB to key lock K1 (Figure 15). Rotate key KB. The ground and test device control circuit is now enabled. The KB key is now captive and the KCF key is released. Figure 15 Transfer Key KB to Key Lock K1 13.

  • Page 36: R Emoving G Round

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Figure 19 Press Close on Control Box Figure 21 Key KCF is Released from Key Lock K1 16. Unplug the remote control box from the 3.

  • Page 37: P Rocedure For T Esting F Eeder

    01.4IB.50026A 8. Unplug the remote control box from the 17. Transfer key KB to key lock K1 (Figure 20) 120V power supply. and rotate. The ground and test device 9. Move the control selector switch from control circuit is now enabled. Key KB is “Open”...

  • Page 38: Figure 23 Key Kd In Key Lock K5 With Shutters Unlocked

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER 11. Transfer key KD key to key lock K5. Rotate 15. Transfer key KD to key lock K4. Depress the key KD to unlock the test port shutters. manual trip blocking lever.

  • Page 39: T Esting P Orts

    01.4IB.50026A d. t The test probes are not high current devices. eStInG ortS They are suitable for testing procedures such The three (3) test ports provided on the front as high potential testing, phasing out circuits, of the ground and test device may be used to phase rotation testing, and primary voltage provide access to the primary disconnecting measurements.
  • Page 40 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER 8. Unplug the remote control box from the 22. From a safe distance, connect the ground 120V power supply. and test device remote control box to a 9.
  • Page 41 01.4IB.50026A 31. Rotate key KC to lock the ground and test device in the “Connected” position. Key KC is now released. 32. Transfer key KC to key lock K2. Fully depress the manual trip operator and rotate key KC. Release the manual trip operator. Key KC is now captive and key KB is now released.

  • Page 42: Ch 6 Maintenance

    Powell being scheduled. The actual reading of immediately. the operations counter should be recorded...

  • Page 43: M Echanism A Rea

    Powlube-104 parts and causing excessive wear. consists of (1) A-grease, (1) B-grease, and (1) C-oil. Prior to March 2014, Powell provided Powlube-101 and Powlube-102 Either use a vacuum cleaner or wipe with a which contained (1) tube of Anderol 757 or dry lint-free cloth or industrial-type wiper.
  • Page 44 PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER Table A Lubrication Reference Location Lubricant Method Figure Electrical Parts Main Primary Disconnect Fingers Figure 25, a B - Grease Wipe clean. Apply lubricant only to actual contact surface. With switch closed, wipe clean and apply as close to hinge as Grounding Switch Hinges Figure 25, b...

  • Page 45: Figure 25 Mechanism For Lubrication Call Outs

    01.4IB.50026A Figure 25 Mechanism for Lubrication Call Outs a) Main Primary b) Grounding c) Grounding d) Levering-In e) Worm Shaft f) Levering-In Disconnect Fingers Switch Hinges Switch Contacts Device Worm and Bearings Shaft Support Wheel Bearings g) Levering-In h) Spring Yoke i) Trip Shaft j) Crank k) Motor Drive Shaft...

  • Page 46: Mechanism Adjustments

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER 3) Mechanism Adjustments b. Adjustment of Primary and Secondary Trip Props and Latch Check Switch There are several factory adjustments in the mechanism which are described below. No Adjust the secondary trip prop adjustment of these settings is required for adjusting screw (Figure 5, m) so that...

  • Page 47: Electrical Operation

    01.4IB.50026A proper rating and press the “CLOSE” 2) Moving Contact Adjustments push button on the control box. The There are two factory adjustments of the mechanism will charge the main closing moving contacts which are described in this spring and stop. Disconnect the control section.

  • Page 48: Igh P Otential T Ests

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER b. Kick-Off Spring Pressure Adjustment c. Hinge Bolt With the ground making switch in Disconnect the operating rod at the the closed position, measure the gap movable contact by removing the pin.

  • Page 49: Control Voltage Insulation Integrity

    01.4IB.50026A 2) Control Voltage Insulation Integrity If the user wishes to check the insulation integrity of the control circuit, it may be done with a 500V or 1000V insulation tester or with and AC high potential tester. The AC high potential test should be made at 1125V, 60Hz, for one minute.

  • Page 50: Ch 7 Recommended Renewal Parts And Replacement Procedures

    A. o rderInG nStructIonS set of parts be stocked at all times. 1. Order Renewal Parts from Powell at Powell recommends that only qualified www.powellind.com or call 1.800.480.7273. technicians perform maintenance on these units. Refer to the Qualified Person Section in 2.

  • Page 51: R Eplacement P Rocedures

    01.4IB.50026A c. r Perform the following steps to replace the eplAcement rocedureS grounding switch movable contact: This section includes instructions for replacing the parts recommended as renewal parts. a. Remove upper portion of ground and Before attempting any maintenance repair test device front cover.

  • Page 52: Closing Coil Assembly

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER c. Remove three ⁵/₁₆” bolts holding the b. Unplug the closing coil from the wiring stationary contact to the contact harness. support bar. Bolt the new stationary c.

  • Page 53: Shunt Trip Coil

    01.4IB.50026A d. Lubricate the end of the shaft of the position, check the gap between the new motor liberally with A - Grease. trip coil armature and the trip lever e. Position the new motor assembly in the extending from the trip shaft. This device, being sure that the pin on the gap should be between ¼”...

  • Page 54: Latch Check Switch

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER 8) Trip Paddle Interlock Switch several times to ensure that the relay is working properly. The trip paddle interlock switch is located h. Replace the upper front cover. on the right side of the mechanism just above the floor pan (Figure 26, d).

  • Page 55: Motor Cutoff Switch Assembly

    01.4IB.50026A 10) Auxiliary Switch 9) Motor Cutoff Switch Assembly The auxiliary switch is located on the left The motor cutoff switch assembly is located in the lower left of the ground and test hand side panel of the ground and test device (Figure 3, c).

  • Page 56: Primary Contact Spring Assembly

    PowlVac® Electrically Operated 5kV & 15kV G&T Device 01.4IB.50026A per ConEd Specification EO-2022-15 for ConEd CUSTOMER g. Close the grounding switch electrically 12) Ground Shoe Finger Assembly several times to ensure that the auxiliary The ground shoe assembly is located at the switch operates smoothly.
  • Page 57 ConEd CUSTOMER September 2014 Powered by Safety ® Powell Electrical Systems, Inc. Tel: 713.944.6900 • Fax: 713.948.4569 Service Division - Houston www.powellind.com PO Box 12818 • Houston, TX • 77217 info@powellind.com ©2006 Powell Industries, Inc. • All rights reserved.

This manual is also suitable for:

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