Eaton 380 VCP-W 21 Instructions For Installation, Operation And Maintenance Download Page 40 | Manualshive

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Page 34

I.B. 3A74792H08

Effective

09/2014

and should be applied in conjunction with the
experience and good judgment of the individual
performing the work.

WARNING

OVER-TORQUING CAN CAUSE PERMANENT DAM-
AGE WHILE UNDER TORQUING WILL NOT PROVIDE
THE PROPER CLAMPING FORCE AND MAY
EVENTUALLY WORK LOOSE.

Table 6 . 1 T orque Guidelines

Bolt Size

Torque (LB-IN)

8 - 32

24

10 - 32

36

1/4 - 20

72

5/16 - 18

144 (12lb-ft)

3/8 - 16

300 (25lb-ft)

1/2 - 13

540 (45lb-ft)

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Summary of Contents for 380 VCP-W 21

Page 1: ...Effective September 2014 I B 3A74792H08 Instructions for Installation Operation and Maintenance of Type VCP W and VCP WR 38kV Vacuum Circuit Breakers Type VCP W Drawout Type VCP W Fixed ...

Page 2: ......

Page 3: ...AND OR REGULATIONS AS THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY ADHERED TO THE FIXED CIRCUIT BREAKER ELEMENTS ARE DESIGNED TO BE INSTALLED PURSUANT TO ALL APPLICABLE ANSI STANDARDS SERIOUS INJURY INCLUDING DEATH CAN RESULT FROM FAILURE TO FOLLOW PROCEDURES OUTLINED IN THIS MANUAL OR COMPLY WITH THE REQUIREMENTS OF APPLICABLE STANDARDS THE CUSTOMER IS RESPONSIBLE FOR PROVIDING ...

Page 4: ...cuit Breaker Weights 11 SECTION 4 INITIAL INSPECTION AND INSTALLATION 4 1 Introduction 17 4 2 Manual Operation Check 17 4 3 Vacuum Interrupter Integrity 17 4 4 Insulation 17 4 5 Contact Erosion and Wipe 17 4 6 Primary Circuit Resistance 17 4 7 Nameplate 17 4 8 Electrical Operation Check 17 4 8 1 Circuit Breaker Insertion and Removal 18 4 8 2 Operation Check Performance 19 4 9 Breaker Structure Int...

Page 5: ...r Integrity Test 36 6 5 Contact Erosion 36 6 6 Contact Wipe 36 6 7 Insulation 37 6 8 Insulation Integrity Check 37 6 9 Primary Circuit Resistance Check 37 6 10 Mechanism Check 39 6 10 1 CloSureTM Test 39 6 11 Lubrication 43 6 12 Troubleshooting Chart 43 SECTION 7 RENEWAL PARTS 7 1 General 46 7 1 1 Ordering Instructions 46 FIGURES Figure Title Page 1 1 Type VCP W 38kV Drawout Circuit Breaker Outlin...

Page 6: ... Contact Wipe Measurement of Loading Spring Indicator 38 6 6 Resistance Measurement Locations 38 6 7 Status Indicators 39 6 8 Starting Tape at Bottom 39 6 9 Wrapping Tape up around Cam 39 6 10 Attaching Tape Around to Back of Cam 40 6 11 Attaching CloSureTM Test Tool at Hole A 40 6 12 Attaching CloSureTM Test Tool at H Pole B 40 6 13 Manually Charging Closing Springs 40 6 14 Manually Closing Circu...

Page 7: ...GE AN EXAMPLE OF A TYPICAL WARNING LABEL HEAD ING IS SHOWN ABOVE IN REVERSE TYPE TO FAMILIARIZE PERSONNEL WITH THE STYLE OF PRESENTATION THIS WILL HELP TO INSURE THAT PERSONNEL ARE ALERT TO WARNINGS WHICH MAY APPEAR THROUGHOUT THE DOCUMENT IN ADDITION CAUTIONS ARE ALL UPPER CASE AND BOLDFACE AS SHOWN BELOW CAUTION COMPLETELY READ AND UNDERSTAND THE MATERIAL PRESENTED IN THIS DOCUMENT BEFORE ATTEMP...

Page 8: ... Peak kA rms Total kA rms s 380 VCP W 16 and 380 VCP WR 16 34 5 38 1 38 80 170 600 1200 1600 2000 16 47 1 2 19 2 16 19 3 43 26 16 3 380 VCP W 25 and 380 VCP WR 25 34 5 38 1 38 80 170 600 1200 1600 2000 25 47 1 2 30 0 25 30 0 68 40 25 3 380 VCP W 32 and 380 VCP WR 32 34 5 38 1 38 80 170 600 1200 1600 2000 3000FC 31 5 47 1 2 37 8 31 5 37 8 85 50 31 5 3 2500 380 VCP W 21 and 380 VCP WR 21 34 5 38 1 6...

Page 9: ... E Operating Duty Duty Cycle Rated Reclosing Factor R Interrupting Time Maximum Permissible Tripping Delay Transient Recovery Voltage RRRV Mechanical Endurance ms Cycles Seconds kV µs No Load Operations CO 15s CO 100 83 5 2 0 6 2000 CO 15s CO 100 83 5 2 0 6 2000 CO 15s CO 100 83 5 2 0 6 2000 CO 15s CO CO 15s CO 100 83 5 2 0 6 2000 CO 15s CO CO 15s CO 83 5 2 0 6 2000 ...

Page 10: ...1600 16 75 1 46 23 3 16 23 3 50 30 16 3 09 2000 380 VCP W 25C and 380 VCP WR 25C 34 5 38 1 38 80 170 600 1200 1600 25 65 1 36 34 0 25 34 0 75 44 25 3 09 2000 380 VCP W 32C and 380 VCP WR 32C 34 5 38 1 38 80 170 600 1200 1600 2000 3000FC 33 1 57 1 28 42 5 33 1 42 5 91 54 31 5 3 09 2500 380 VCP W 21 C and 380 VCP WR 21C 34 5 38 1 65 23 80 170 1200 2000 3000FC 21 52 1 24 26 1 35 43 4 102 60 35 3 21 2...

Page 11: ...nrush Current Inrush Frequency ms Cycles Seconds kV µs No Load Operations kA rms A rms A rms A rms A rms kA Peak kHz CO 15s CO 100 50 3 2 0 7 15000 8 4 8 4 8 4 8 3 5 56 250 250 250 250 1000 250 250 250 250 1000 20 20 20 20 20 4 4 4 4 4 4 5 5 1 3 CO 15s CO 100 50 3 2 0 7 15000 8 4 8 4 8 4 8 3 5 56 250 250 250 250 1000 250 250 250 250 1000 20 20 20 20 20 4 4 4 4 4 4 5 5 1 3 CO 15s CO 100 50 3 2 0 7 ...

Page 12: ...Page 6 I B 3A74792H08 Effective 09 2014 1 4 OUTLINES AND DIMENSIONS Figure 1 1 Type VCP W 38kV Drawout Circuit Breaker Outlines and Dimensions inches and mm ...

Page 13: ...I B 3A74792H08 Page 7 Effective 09 2014 ...

Page 14: ...lt in electrical shock leading to death severe personal injury or property damage Do not work on a drawout circuit breaker with a secondary test coupler engaged Failure to disconnect the test coupler could result in an electrical shock leading to death personal injury or property damage Do not work on a closed circuit breaker or a breaker with closing springs charged The closing springs should be ...

Page 15: ...LOSING THE CONTACTS OR CHARGING THE SPRINGS THE CIRCUIT BREAKER MAY SLIP OR FALL CAUSING SEVERE PERSONAL INJURY ALWAYS PERFORM MAINTENANCE REPAIR AND ADJUSTMENTS ON A SOLID WORK SURFACE CAPABLE OF SUPPORTING THE CIRCUIT BREAKER VCP W and VCP WR 38kV Vacuum Circuit Breakers are shipped mounted to a skid specially designed to facilitate removal of the breaker Refer to Figures 3 1 and 3 2 and proceed...

Page 16: ...hest part of the ramp next to the side of the skid with the front of the circuit breaker Step 3 Remove the shipping brackets used to hold the circuit breaker to the skid Use the same shipping brackets and hardware to attach the ramp to the shipping skid Step 4 Slowly move the circuit breaker forward and down the ramp Make certain that the circuit breaker moves down the ramp slowly and straight in ...

Page 17: ...r on all sides and temporary heaters should be used to minimize condensation Moisture can cause rusting of metal parts and deterioration of high voltage insulation A heat level of approximately 400 watts for each 100 cubic feet of volume is recommended with the heaters distributed uniformly throughout the structure near the floor Indoor storage should be in a building with sufficient heat and air ...

Page 18: ...Page 12 I B 3A74792H08 Effective 09 2014 Fifth Wheel Optional Used to maneuver a circuit breaker on a flat hard surface Figure 3 3 Does not include shipping carton ...

Page 19: ...I B 3A74792H08 Page 13 Effective 09 2014 Figure 3 4 Front View VCP W 38kV Drawout Vacuum Circuit Breaker ...

Page 20: ...Page 14 I B 3A74792H08 Effective 09 2014 Figure 3 5 VCP W or VCP WR 38kV Vacuum Circuit Breaker with Front Cover Removed ...

Page 21: ...I B 3A74792H08 Page 15 Effective 09 2014 Figure 3 6 Rear View VCP W 38kV Drawout Vacuum Circuit Breaker ...

Page 22: ...Page 16 I B 3A74792H08 Effective 09 2014 Figure 3 7 Typical VCP W 38kV Escutcheon ...

Page 23: ...I B 3A74792H08 Page 17 Effective 09 2014 Figure 3 8 Typical VCP W 38kV Escutcheon ...

Page 24: ...at the end of charging operation Discontinue charging and remove the maintenance tool as soon as Charged flag is fully visible Continued attempts to charge further may result in damage to the mechanism Remove the maintenance tool Close and trip the circuit breaker Repeat several times 4 3 VACUUM INTERRUPTER INTEGRITY Using a dry lint free cloth or paper towel clean all the accessible insulating su...

Page 25: ... engaging the secondary contacts now makes this the TEST position To engage the secondary contacts grasp the structure mounted secondary disconnect cage handle located below the left side of the circuit breaker and pull it for ward as far as possible to make the secondary engagement As soon as control power is available the motor will charge the closing springs To move the circuit breaker to the C...

Page 26: ...ce with compatible structure interlocks to render the circuit breaker mechanism mechanically and electrically trip free during the levering process Anti Close Interlock This interlock prevents releasing the closing springs electrically or manually if the circuit breaker is already closed Figure 5 5 On a closed circuit breaker the interlock lever moves toward the rear In this position the movement ...

Page 27: ...move the circuit breaker to the WITH DRAWN position by lifting and pulling on the Lift Pull handle The circuit breaker will trip close and trip as it moves from the TEST position The suggested combination of interface checks outlined in the circuit breaker manual and structural assembly manual are intended to verify sage and proper operation If observed conditions are not as described contact Eato...

Page 28: ...atic epoxy Type SIS AWG 14 control wire with Figure 5 1 Rear View Showing Pole Unit Enclosure VCP W Shown cross linked polyolefin insulation is used throughout the control circuits with all terminals being of the screw type This section describes the overall operation of the circuit breaker as well as the function and operation of all major sub assemblies and or parts 5 2 INTERRUPTER ASSEMBLY The ...

Page 29: ...osed interrupters reduced size and weight short interrupting time long life reduced maintenance and environmental compatibility Arc interruption is simple and fast Figure 5 3 In the closed position current flows through the interrupter When the contacts are opened the arc is drawn between the contact surfaces It is moved rapidly around the slotted contact surfaces by a self induced magnetic force ...

Page 30: ...CUIT BREAKERS BEFORE PER FORMING ANY CIRCUIT BREAKER MAINTENANCE INSPECTION OR REPAIR The spring stored energy operating mechanism is arranged vertically in front of all VCP W and VCP WR circuit breakers Figure 3 5 It includes all the elements for storing the energy closing and tripping of the circuit breaker as well as manual and electrical controls The manual controls are all front accessible Mo...

Page 31: ...I B 3A74792H08 Page 25 Effective 09 2014 CRUSHING INJURY DISCHARGE THE SPRINGS charging indicator indicates Charged Any further Figure 5 4 Closing Cam and Trip Linkage ...

Page 32: ...ncipal mode of operation is as follows As soon as the control power is applied the spring charging motor automatically starts charging the closing springs When the springs are charged the motor cut off LS1 bb switch turns the motor off The circuit breaker may be closed by making the control switch close CS C contact Automatically upon closing of the circuit breaker the motor starts charging the cl...

Page 33: ...I B 3A74792H08 Page 27 Effective 09 2014 compartment Figure 5 5 Charging Schematic ...

Page 34: ...Page 28 I B 3A74792H08 Effective 09 2014 Figure 5 6 Typical VCP W DC and AC Control Schematics Drawout ...

Page 35: ...I B 3A74792H08 Page 29 Effective 09 2014 Figure 5 7 Typical VCP WR DC and AC Control Schematics Fixed ...

Page 36: ...e rating of its trip coil The circuit breaker can be closed as long as the voltage to the trip coil is maintained at 85 or above the rated level The undervoltage trip device is available only as an instantaneous type with rated voltages of 48VDC 1 25VDC 250VDC 120VAC and 240VAC Table 5 1 Circuit Breaker Timing Event Milliseconds maximum Closing Time From Initiation of Close Signal to Contact Make ...

Page 37: ...Secondary Terminal Blocks Shown Mounted Bottom Front Fixed Circuit Breaker Shown With Terminal Blocks for Second Auxiliary Switch 5 7 OPERATIONS COUNTER All circuit breakers are equipped with a mechanical operations counter As the circuit breaker opens the linkage connected to the pole shaft lever advances the counter reading by one Figure 3 8 5 8 GROUND CONTACT The ground contact used with the dr...

Page 38: ...Page 32 I B 3A74792H08 Effective 09 2014 Figure 5 10 Undervoltage Trip Device Configuration ...

Page 39: ...s 5 Create and maintain a dated permanent record of all inspections maintenance performed actions taken observations made and measurements taken Not only will this provide valuable historical information it can help to establish whether or not the present schedule needs to be adjusted 6 Perform ongoing visual inspections when possible of all equipment on a regular basis Be alert for an accumulatio...

Page 40: ...of the individual performing the work WARNING OVER TORQUING CAN CAUSE PERMANENT DAM AGE WHILE UNDER TORQUING WILL NOT PROVIDE THE PROPER CLAMPING FORCE AND MAY EVENTUALLY WORK LOOSE Table 6 1 Torque Guidelines Bolt Size Torque LB IN 8 32 24 10 32 36 1 4 20 72 5 16 18 144 12lb ft 3 8 16 300 25lb ft 1 2 13 540 45lb ft ...

Page 41: ...I B 3A74792H08 Page 35 Effective 09 2014 Figure 6 1 Lubrication Points Drawout Circuit Breaker Shown ...

Page 42: ...le unit assembly Replace if burned damaged or eroded 3 Control Circuit Parts Closing and Tripping Device Including Disconnects Wiring Terminals Motor Smooth and correct operation by control power Securely tied in proper place Tight Smooth Normal Operation Test closing and tripping of the circuit breaker twice Visual Check Visual Check Functional Test Replace any defective device Identify per troub...

Page 43: ...e or displacement capacitive current the test unit should have sufficient volt ampere capacity It is recommended that the equipment be capable of delivering 25 milliamperes for one minute Although an ac high potential test is recommended a dc test may be performed if only a dc test unit is available In this case the equipment must be capable of delivering 5 milliamperes for one minute to avoid amb...

Page 44: ...voltage is 60kV rms Conduct the test as follows Close the circuit breaker Connect the high potential Figure 6 3 Graphical Representation of Contact Erosion Measurement Circuit Breaker Closed lead of the test machine to one of the poles of the circuit breaker Connect the remaining poles and circuit breaker frame to ground Start the machine with output potential at zero and increase to the test volt...

Page 45: ... 2014 Figure 6 4 Side View of Loading Spring Indicator Circuit Breaker Closed Figure 6 5 Graphical Representation of Contact Wipe Measurement of Loading Spring Indicator Circuit Breaker Closed Figure 6 6 Resistance Measurement Locations ...

Page 46: ...MOC switches mechanism operated control switches that place extra load upon the closing mechanism of the circuit breaker If this load is excessive it can prevent the circuit breaker from closing fully In such a case it is important to determine that the circuit breaker will close fully The CloSureTM Test provides this assurance General Information The CloSureTM Test can be per formed on the VCP W ...

Page 47: ...approximately 8 to 10 inches long Step 4 Place the tape around the cam starting from the bottom up Make certain that the tape adheres well to the cam surface See Figures 6 8 6 9 and 6 10 Step 5 Mount the transparent CloSureTM Test Tool with two bolts and washers Refer to Figures 6 21 6 22 and Table 6 3 for appropriate mounting holes Hand tighten the bolts Figures 6 11 6 12 6 21 and 6 22 Step 6 A S...

Page 48: ...er Step 12 Inspect the circuit breaker to assure it is in the Figure 6 17 Move Marker 15 to left Figure 6 18 Remove Marked Masking Tape from Cam Figure 6 19 Place Tape on Right Side Panel of Breaker open position and the closing springs are discharged Remove the transparent CloSureTM Tool Remove the tape from the cam and stick the tape on the front right side sheet of the circuit breaker Record th...

Page 49: ...mmediately contact the Product Integrity Center Figure 6 22 Typical Circuit Breaker Front View with CloSureTM Tool Attached approximate mechanism chassis width Breaker Line Approximate Mechanism Cabinet Width inch Upper Mounting Hole Lower Mounting Hole Marker Placement Hole DHP VR 20 27 A1 A2 B2 B1 C2 C1 VCPW ND 20 21 A1 B2 C2 VCP W 27 33 A1 A2 B2 B2 C5 C6 VCP WR 18 20 27 A1 A1 A1 B2 B2 B2 C1 C2 ...

Page 50: ...nce of sluggishness dirt or parts are dismantled for same reason If it becomes necessary to disassemble the mechanism the bearings and related parts should be thoroughly cleaned Remove old grease in a good grease solvent Do not use carbon tetrachloride They should then be washed in light machine oil until the cleaner is removed After the oil has been drawn of the bearings should be packed with Eat...

Page 51: ...ontact open or burned or relay picks up Close Coil Open or burned Latch Check Switch Contact open bad switch or trip bar not reset Auxiliary Switch b contact open or burned Motor Cut off Contacts open or burned Trip Coil Assembly Clapper fails to reset Closing Sound but no close Pole Shaft Not open fully Trip Latch Reset Spring Damaged or Missing Trip Bar D Shaft Fails to remain reset Trip Latch H...

Page 52: ...Disconnect Auxiliary Switch a contact not making poor or burned Trip Coil Burned or open Terminals and Connections Poor or burned or open Trip Mechanism Trip Clapper Jammed Trip Sound But No Trip Trip Mechanism Trip Bar Trip Latch Jammed Pole Shaft Jammed Operating Rod Assembly Broken or pins out Vacuum Interrupter One or more welded Undesirably Trips Control Circuit Control Power CS T Switch rema...

Page 53: ... Specify the method of shipping desired e Send all orders or correspondence to the nearest Eaton sales office Table 7 1 Recommended Renewal Parts for ANSI Rated Breakers Continued Next Page LINE NO DESCRIPTION STYLE NUMBER VCP W WR AND VCP WC WRC QTY Interrupter Assembly VCP W 1 2 3 380 16 600A 16kA 380 16 1200A 16kA 380 16 1600A 16kA 3A74837H01 3A74838H01 3A74839H01 3 3 3 VCP WC 1A 2A 3A 380 16 6...

Page 54: ...CP W 12 380 25 2000A 25kA 3A74854H01 3 VCP WC 12A 380 25 2000A 25kA 3A74694H24 3 VCP WR 13 14 15 16 380 25 600A 25kA 380 25 1200A 25kA 380 25 1600A 25kA 380 25 2000A 25kA 3A74684H21 3A74684H22 3A74684H23 3A74684H24 3 3 3 3 VCP WRC 13A 14A 15A 1 6A 380 16 600A 25kA 380 16 1200A 25kA 380 16 1600A 25kA 380 16 2000A 25kA 3A74694H61 3A74694H62 3A74694H63 3A74694H64 3 3 3 3 VCP W 17 18 19 380 32 600A 31...

Page 55: ...380 32 1600A 32kA 380 32 2000A 32kA 380 32 2500A 32kA 380 32 3000A FC 32kA 3A74684H31 3A74684H32 3A74684H33 3A74684H34 3A74684H35 3A74684H36 3 3 3 3 3 3 VCP WRC 23A 24A 25A 26A 27A 28A 380 32 600A 32kA 380 32 1200A 32kA 380 32 1600A 32kA 380 32 2000A 32kA 380 32 2500A 32kA 380 32 3000A FC 32kA 3A74694H71 3A74694H72 3A74694H73 3A74694H74 3A74694H75 3A74694H76 3 3 3 3 3 3 VCP W 29 380 21 1200A 21kA ...

Page 56: ...380 40 1200A 40kA 380 40 2000A 40kA 380 40 2500A 40kA 380 40 3000A FC 40kA 3A74873H01 3A74875H01 3A74876H01 3A74688H55 3 3 3 3 VCP WC 36A 37A 38A 39A 380 40 1200A 40kA 380 40 2000A 40kA 380 40 2500A 40kA 380 40 3000A FC 40kA 3A74694H52 3A74694H53 3A74694H54 3A74694H55 3 3 3 3 VCP WR 40 41 42 42A 380 40 1200A 40kA 380 40 2000A 40kA 380 40 2500A 40kA 380 40 3000A FC 40kA 3A74684H52 3A74684H53 3A7468...

Page 57: ...VDC 120VAC 240VAC 8237A27H03 8237A27H04 8237A27H05 8237A27H01 8237A27H02 1 1 1 1 1 Shunt Trip Coils 56 57 58 59 24VDC 48VDC 1 25VDC 1 25VAC Cap Trip 250VDC 240VAC Cap Trip 3759A76G14 3759A76G11 3759A76G12 3759A76G13 1 1 1 1 Primary Disconnects VCP W and VCP WC Only 60 61 62 63 64 65 600A 1200A 1600A 2000A 2500A 3000A FC All 40kA 5680B59G01 5680B60G01 5680B61G01 692C037G03 692C037G01 692C037G01 6 6...

Page 58: ... Switch 699B147H04 1 73 74 Position Switch Position Switch 699B147H01 699B147H02 1 1 75 Auxiliary Switch 5697B20H01 1 76 Trip D Shaft 694C638G02 1 77 Trip Latch Hatchet 699B040G03 1 Ground Contac Assy VCP W and VCP WC Only 78 79 80 81 16KA 25KA 31 5KA 21 35KA 40KA 8796C85G01 8796C85G02 8796C85G03 8796C85G04 8796C85G05 1 1 1 1 1 83 Shock Absorber 5677B26H01 2 84 Front Panel w o ESCN 4D13655H02 1 ...

Page 59: ...86 Shutter Drive Roller 5680B24H02 2 87 Breaker Floor Wheel 3A74342H01 4 88 Fastener Kit 8061A01G01 1 88A Loading Spring Retaining Clip 8242A51H01 6 89 Labels Kit 8295A45G01 1 Wiring Harness 90 Repair Kit 8796C82G01 1 Complete Replacement 91 92 STD With 2 AUX SW 8796C82G02 8798C82G03 1 1 93 94 95 96 97 Undervoltage Kit 48VDC 125VDC 250VDC 120VAC 240VAC 8794C81G01 8794C81G02 8794C81G03 8794C81G04 8...

Page 60: ...Page 54 I B 3A74792H08 Effective 09 2014 ...

Page 61: ...XPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND 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 indire...

Page 62: ...Page 56 I B 3A74792H08 Effective 09 2014 Style 3A74792H08 Printed in USA ...

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