Eaton 380 VCP-Wind Instructions For The Use, Operation And Maintenance

Vacuum circuit breakers
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I.B. 70A2580H02
Instructions for the use, operation and maintenance of type 380 VCP-Wind
Vacuum Circuit Breakers
Effective November 2012

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Summary of Contents for Eaton 380 VCP-Wind

  • Page 1 I.B. 70A2580H02 Instructions for the use, operation and maintenance of type 380 VCP-Wind Vacuum Circuit Breakers Effective November 2012...
  • Page 3 THIS INSTRUCTION BOOK SHOULD NOT BE CONSIDERED ALL INCLUSIVE REGARDING INSTALLATION OR MAINTENANCE PROCEDURES. IF FURTHER INFORMATION IS REQUIRED, YOU SHOULD CONTACT EATON EATON Moon Township, PA 15108 A l l possible contingencies which may arise during installation, operation or maintenance, and all details and variations of this equipment do not purport to be covered by these instructions.
  • Page 4: Table Of Contents

    I.B. 70A2580H02 P a g e i v TABLE OF CONTENTS SECTION 1: INTRODUCTION Page Preliminary Comments and Safety Precautions..................1 1-1.1 Warranty and Liability Information...................... 1 1-1.2 Safety Precautions ..........................1 General Information ............................. 1 Type VCP-Wind Vacuum Circuit Breaker Ratings ..................2 Outlines and Dimensions..........................
  • Page 5 I.B. 70A2580H02 P a g e v Page 5-3.1 Operation of Stored Energy Mechanism ..................16 5-3.2 Charging ............................16 5-3.3 Closing Operation ........................18 5-3.4 Tripping Operation ........................18 Control Schemes ..........................18 5-4.1 Timing ............................. 18 5-4.2 Secondary Disconnects ......................18 5-4.3 Secondary Terminal Connections ...................
  • Page 6 I.B. 70A2580H02 P a g e v i FIGURES Figure Title Page Type VCP-Wind Circuit Breaker Manual Charging Handle in Use............11 VCP-Wind Breaker insertion Step 1 ......................13 VCP-Wind Breaker insertion Step 2 ......................13 VCP-Wind Breaker insertion Step 3 ......................13 VCP-Wind Breaker insertion Step 4 ......................
  • Page 7: Section 1: Introduction

    The purpose of this book is to provide instructions for DESCRIPTIONS CONTAINED HEREIN. In no event will unpacking, storage, use, operation and maintenance of Eaton be responsible to the purchaser or user in Type VCP-Wind Drawout 38kV Vacuum Circuit contract, in tort (including negligence), strict liability or Breakers..
  • Page 8: Type Vcp-Wind Vacuum Circuit Breaker Ratings

    I.B. 70A258H02 P a g e 2 REGULATIONS AS THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY ADHERED TO. WARNING THE CIRCUIT BREAKERS DESCRIBED IN THIS BOOK ARE DESIGNED AND TESTED TO OPERATE WITHIN THEIR NAMEPLATE RATINGS. OPERATION OUTSIDE OF THESE RATINGS MAY CAUSE THE TYPE VCP-Wind VACUUM CIRCUIT BREAKER RATINGS (TABLE 1) Table 1 Type VCP-Wind Ratings on Symmetrical Current Rating Basis...
  • Page 9: Outlines And Dimensions

    1-4 OUTLINES AND DIMENSIONS BOTTOM OF ALIGNMENT ROLLER Figure 1-1 Type VCP-Wind 38kV Drawout Circuit Breaker Outline and Dimensions (inches) Effective November 2012...
  • Page 10: Section 2: Safe Practices

    I.B. 70A2580H02 P a g e 4 SECTION 2: SAFE PRACTICES • Do not leave a drawout circuit breaker in an intermediate position in the cell. Always have the 2-1 RECOMMENDATIONS circuit breaker either in the DISCONNECT, TEST or CONNECTED position. Failure to do so could Type VCP-Wind Vacuum Circuit Breakers are equipped result in a flash over and possible death, personal with high speed, high energy operating mechanisms.
  • Page 11: Section 2: Receiving, Handling And Storage

    File claims immediately with the carrier if damage or loss is detected and notify the nearest Eaton Office. CAUTION DO NOT PULL ON OR USE THE MAIN (PRIMARY)
  • Page 12: Storage

    All Ratings Pounds The circuit breaker is shipped with its contacts open and closing springs discharged. The indicators on the front 380 VCP-Wind 1072 panel should confirm this. Insert the maintenance tool in (See Figure 1-1) the manual charge socket opening (Figure 3-4).
  • Page 13: Vcp-Wind 38Kv Drawout Vacuum Circuit Breaker

    I.B. 70A2580H02 Page 7 1 Front Cover 2 Circuit Breaker Wheel 3 Alignment Rollers 4 Levering Point 5 Shutter Driver Wheels 6 Shoot Bolt Pins 7 Shoot Bolt Handle Figure 3-1 VCP-Wind 38kV Drawout Vacuum Circuit Breaker Effective November 2012...
  • Page 14: Vcp-Wind 38Kv Vacuum Circuit Breaker With Front Cover Removed

    I.B. 70A2580H02 P a g e 8 1 Left Close Spring 7 Right Shock Absorber 2 Motor Cutoff Switch 8 Left Shock Absorber 3 Right Close Spring 9 Shunt Trip Assembly 4 Open Spring 10 Spring Release Assembly 5 Manual Charge Socket 11 Auxiliary Switch 6 Charging Motor 12 Pole Shaft...
  • Page 15: Rear View Vcp-Wind 38Kv Drawout Circuit Breaker

    I.B. 70A2580H02 Page 9 1 Encapsulated Pole Unit 2 Primary Disconnect 3 Secondary Disconnect 4 Alignment Rollers 5 Circuit Breaker Wheels 6 O.C.O. Operator Figure 3-3 Rear View VCP-Wind 38kV Drawout Vacuum Circuit Breaker Effective November 2012...
  • Page 16: Typical Vcp-Wind 38Kv

    I.B. 70A2580H02 P a g e 10 1 Operations Counter 2 Open/Close Indicator 3 Manual Close Button 4 Rating Nameplate 5 Manual Open Button 6 Spring Charged/Discharged Indicator 7 Manual Charge Socket Figure 3-4 Typical VCP-Wind 38kV Front Cover Effective November 2012...
  • Page 17: Section 4: Initial Inspection And Installation

    Section 6-6. 4-1 INTRODUCTION 4-5 CONTACT EROSION AND WIPE WARNING Eaton vacuum interrupters used on the 38kV VCP- BEFORE PLACING THE CIRCUIT BREAKER IN Wind are designed to achieve very low arc voltages SERVICE, CAREFULLY FOLLOW THE and short arc times, resulting in very low arc INSTALLATION PROCEDURE GIVEN BELOW.
  • Page 18: 4-8.1 Circuit Breaker Insertion And Removal

    I.B. 70A2580H02 P a g e 12 CAUTION b) TEST POSITION: (See Figure 4-5) BEFORE INSERTING THE CIRCUIT BREAKER Pull the shoot bolt handles in, which will remove the EXAMINE THE INSIDE OF THE CELL STRUCTURE retractable pins from the first set of slots in the FOR EXCESSIVE DIRT OR ANYTHING THAT MIGHT structure alignment rail blocks and then push the INTERFERE WITH THE CIRCUIT BREAKER...
  • Page 19: Vcp-Wind Breaker Insertion Step 1

    I.B. 70A2580H02 Page 13 Figure 4-5 VCP-Wind Breaker insertion Step 4, pull in Figure 4-2 VCP-Wind Breaker insertion Step 1, Push shoot bolt handles and push circuit breaker to the Breaker into Mini Module as shown. TEST position. Note: Secondaries automatically engage.
  • Page 20: 4-8.2 Operation Check Performance

    The suggested combination of interface checks outlined in the circuit breaker manual and structural assembly manual are intended to verify safe and proper operation. If observed conditions are not as described, contact Eaton for assistance. Effective November 2012...
  • Page 21: Section 5: Description And Operation

    I.B. 70A2580H02 Page 15 5-2.1 INTERRUPTER ASSEMBLY SECTION 5: DESCRIPTION AND OPERATION 5-1 INTRODUCTION The VCP-Wind design utilizes three individually mounted pole units. Each pole unit is encapsulated The Type VCP-Wind 38kV Vacuum Circuit Breaker is a in an epoxy support molding. (Figure 3-3). The horizontal drawout roll on the floor design for use in new disconnecting ends of the primary conductors utilize switchgear, as well as for modernization and life...
  • Page 22: 5-2.3 Loading Spring

    Circuit breaker closed, closing springs charged Wipe and Stroke are thus related to each other. A great deal of effort has been spent in the design of all Eaton 5-3.2 CHARGING vacuum circuit breakers, in order to eliminate the need for field adjustments of wipe or stroke.
  • Page 23: Closing Cam And Trip Linkage

    I.B. 70A2580H02 Page 17 Figure 5-2 Closing Cam and Trip Linkage Effective November 2012...
  • Page 24: 5-3.3 Closing Operation

    I.B. 70A2580H02 P a g e 18 As soon as the control power is applied, the spring 5-3.3 CLOSING OPERATION charging motor automatically starts charging the closing springs. When the springs are charged, the Figure 5-2 shows the position of the closing cam and motor cut off LS1/bb switch turns the motor off.
  • Page 25: Charging Schematic

    I.B. 70A2580H02 Page 19 Figure 5-3 Charging Schematic Effective November 2012...
  • Page 26: Typical Vcp-Wind "Dc" Control Schematics

    I.B. 70A2580H02 P a g e 20 Figure 5-4 Typical VCP-Wind DC Control Schematics Effective November 2012...
  • Page 27: Typical Vcp-Wind "Ac" Control Schematics

    I.B. 70A2580H02 Page 21 Figure 5-5 Typical VCP-Wind AC Control Schematics Effective November 2012...
  • Page 28: 5-4.3 Secondary Terminal Connections

    I.B. 70A2580H02 P a g e 22 For a basic understanding of the operation of the The circuit breaker secondary connection is automatically under-voltage trip device refer to the specific items connected to the enclosure secondary connectors when the circuit breaker is moved from DISCONNECT to the identified in Figure 5-9 and the following operation TEST position and remains connected until the circuit description.
  • Page 29: Interlocks And Interfacing

    I.B. 70A2580H02 Page 23 5. When the circuit breaker closes, the reset lever moves 5-7 OPERATIONS COUNTER away from the moving clapper. If the Under-voltage All circuit breakers are equipped with a mechanical Trip Device coil has at least 85% of the rated voltage operations counter.
  • Page 30: Under Voltage Trip Device Configuration

    I.B. 70A2580H02 P a g e 24 Figure 5-8 38kV VCP-Wind Mini Module Figure 5-9 Under Voltage Trip Device Configuration Effective November 2012...
  • Page 31: Section 6: Inspection, Maintenance And Troubleshooting

    • DO NOT LEAVE MAINTENANCE TOOL IN THE For assistance in establishing or updating a detailed inspection and maintenance schedule for a specific SOCKET AFTER CHARGING THE CLOSING application, please contact your local Eaton SPRINGS. representative. • DO NOT STAND LESS THAN FOUR METERS AWAY FROM THE BREAKER WHEN TESTING 6-2.1 QUALIFIED PERSONNEL...
  • Page 32: Lubrication Points (Drawout Circuit Breaker Shown)

    I.B. 70A2580H02 P a g e 26 Table 6 . 1 Torque Guidelines Bolt Size Torque (LB-IN) WARNING 8 - 32 10 - 32 OVER-TORQUING CAN CAUSE PERMANENT DAM- AGE WHILE UNDER TORQUING WILL NOT PROVIDE 1/4 - 20 THE PROPER CLAMPING FORCE AND MAY 5/16 - 18 144 (12lb-ft) EVENTUALLY WORK LOOSE.
  • Page 33: Inspection And Maintenance Procedures

    I.B. 70A2580H02 Page 27 6-3 INSPECTION AND MAINTANENCE PROCEDURES No./Section Inspection Item Criteria Inspection Method Corrective Action 1. Insulation Drive Insulator No dirt Visual Check Clean with lint-free cloth Molded Pole Unit Support No cracking Visual Check Replace cracked unit Insulation Main Circuit to Ground Withstand...
  • Page 34: Vacuum Interrupter Integrity Test

    I.B. 70A2580H02 Page 28 6-4 VACUUM INTERRUPTER INTEGRITY TEST The current delivery capability of 25 mA AC and 5 mA Vacuum interrupters used in Type VCP-Wind 38kV DC apply when all three VIs are tested in parallel. If Vacuum Circuit Breakers are highly reliable interrupting individual VIs are tested, current capability may be one elements.
  • Page 35: Insulation

    I.B. 70A2580H02 Page 29 6-5 INSULATION lead of the test machine to one of the poles of the Type VCP-Wind 38kV Vacuum Circuit Breakers circuit breaker. Connect the remaining poles and primarily utilize epoxy insulation. Insulation maintenance circuit breaker frame to ground. Start the machine primarily consists of keeping all insulating surfaces with output potential at zero and increase to the test clean.
  • Page 36: Mechanism Check

    CloSure travel obtained is as specified, the mechanism performance is satisfactory. If the CloSure travel does not conform as shown in Figure 6-16, contact Eaton for further information. (See Step 13). WARNING DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE OR TESTS ON THE EQUIPMENT WHILE IT IS ENERGIZED.
  • Page 37: Attaching Tape Around To Back Of Cam

    Page 31 The recommendations and information contained Step 7 - Charge the closing springs with the herein are based on Eaton experience and judgment, maintenance tool. Continue charging the closing but should not be considered to be all-inclusive or springs until a “click” is heard and the status indicator...
  • Page 38: Manually Closing Circuit Breaker With Marker In Hole "C

    I.B. 70A2580H02 Page 32 Figure 6-10 Manually Closing Circuit Breaker with Figure 6-13 Move Marker 15° to left Marker in Hole “C”. Figure 6-14 Remove Marked Masking Tape from Figure 6-11 Top View of Cam and Marker Interface Figure 6-15 Place Tape on Right Side Panel of Figure 6-12 Move Marker 15°...
  • Page 39: Illustrative Testing Tape Sample

    If “x” is less than 0.6 inches or if the marking is similar to 6-16B , contact your local Eaton sales representative or distributor for service or go to www.EatonElectrical.com for more Information about our products and support.
  • Page 40: Lubrication

    Remove old grease in a grease (Eaton Material No. 53701 QB). Over a period good grease solvent. Do not use carbon of time, this lubricant may be pushed out of the way or tetrachloride.
  • Page 41 I.B. 70A2580H02 Page 35 6-11 TROUBLESHOOTING CHART (Continued Next Page) SYMPTOM INSPECTION AREA PROBABLE DEFECTS Fails To Close • Control Power • Closing Spring charged but • No Closing Sound (Fuse blown or switch off) circuit breaker does not close (Close Coil does not pick up) •...
  • Page 42 I.B. 70A2580H02 Page 36 6-12 TROUBLESHOOTING CHART SYMPTOM INSPECTION AREA PROBABLE DEFECTS Undesirably Closes • Close Circuit • Control Circuit (CS/C Getting Shorted) • Mechanism • Close Release Latch (Fails to reset) • Close Floor Tripper (Fails to reset) Fails To Trip •...
  • Page 43: Section 7: Renewal Parts

    Refer d. Specify the method of shipping desired to Table 7.1 for guidance. Send all orders or correspondence to the nearest Eaton sales office STYLE NUMBER DESCRIPTION VISUAL V C P - W i n d...
  • Page 44: General

    I.B. 70A2580H02 Page 38 DESCRIPTION STYLE NUMBER VISUAL Spring Release Coils 48VDC 3759A76G11 125VDC/120VAC 3759A76G12 250VDC/240VAC 3759A76G13 RECTIFIER (120/240VAC) 3759A76G02 Anti Pump (Y) Relay 48VDC 8237A27H03 125VDC 8237A27H04 250VDC 8237A27H05 120VAC 8237A27H01 240VAC 8237A27H02 Shunt Trip Coils 24VDC 3759A76G14 48VDC 3759A76G11 1 25VDC/1 25VAC Cap Trip 3759A76G12...
  • Page 45 I.B. 70A2580H02 Page 39 DESCRIPTION STYLE NUMBER VISUAL Latch Check Switch 699B147H04 Position Switch 699B147H01 699B147H02 Position Switch Auxiliary Switch 5697B20H01 Trip D-Shaft 694C638G01 Trip Latch (Hatchet) 699B040G03 Shock Absorber 5677B26H01 Front Panel (w/o labels) 72C2533H11 Ground Contact Assembly 67B5053H02 Table 7.1 Recommended Renewal Parts for IEEE Rated Breakers (Continued Next Page) Effective November 2012...
  • Page 46 I.B. 70A2580H02 Page 40 DESCRIPTION VISUAL STYLE NUMBER Labels Kit 8295A45G01 Lifting Device 72C2600G01 CT Bushing Insulating Boot 67C7043G01 Assembly Type 1 CT Bushing Insulating Boot 67C7043G02 Assembly Type 2 CT Bushing Insulating Boot 67C7043G03 Assembly Type 3 Motorized Levering In Device Door Mounted - 3.75"...
  • Page 47: Kv Vcp-Wind Mini Module Code Pin Position Chart

    I.B. 70A2580H02 Page 41 Table 7.2 38kV VCP-Wind Mini Module Code Pin Position Chart Effective November 2012...
  • Page 48: Effective November

    INFORMATION, RECOMMENDATIONS DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to damage or...
  • Page 49 I.B. 70A2580H02 Page 43 Effective November 2012...

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