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15kV VCP-W

Interactive Instructions

Visual Instruction Booklet Essentials |

150VCP-W 25kA 1200A

|

January 2017

Supplemental Material For 15kV VCP-W

This is a user interactive supplemental booklet. This material is

intended to enhance the technical information included in

the instruction booklet for the 15kV VCP-W circuit breaker

manufactured by Eaton.

Supplemental Material

For 15kV Element

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Содержание 150VCP-W Series

Страница 1: ...A January 2017 Supplemental Material For 15kV VCP W This is a user interactive supplemental booklet This material is intended to enhance the technical information included in the instruction booklet for the 15kV VCP W circuit breaker manufactured by Eaton Supplemental Material For 15kV Element ...

Страница 2: ...e permitted to work on these circuit breakers Always remove the circuit breaker from the enclosure before performing any maintenance Failure to do so could result in electrical shock leading to death severe personnel injury or property damage Do not work on a circuit breaker with the secondary test coupler engaged Failure to disconnect the test coupler could result in an electrical shock leading t...

Страница 3: ...m Interrupter Assembly Each interrupter is assembled at the factory as a unit to assure correct dimensional relationships between working components The interrupter assembly consists of a vacuum interrupter a molded glass polyester stand off insulator upper and lower clamps flexible shunts bell crank operating rod and contact load spring The vacuum interrupter is mounted vertically with a fixed st...

Страница 4: ... POTENTIAL TESTS ARE NOT RECOMMENDED BY EATON DO NOT APPLY DC AT ANY LEVEL TO VCP W POWER CIRCUIT BREAKERS With the circuit breaker open and securely sitting on the floor connect all top front primary studs bars together and the high potential machine lead Connect all bottom rear studs together Do not ground them to the circuit breaker frame Start the machine at zero potential increase to appropri...

Страница 5: ...ELL BELOW MAXIMUM PERMITTED BY STANDARDS HOWEVER AS A PRECAUTIONARY MEASURE AGAINST POSSIBILITY OF APPLICATION OF HIGHER THAN RECOMMENDED VOLTAGE AND OR BELOW NORMAL CONTACT SPACING IT IS RECOMMENDED THAT ALL OPERATING PERSONNEL STAND AT LEAST ONE METER AWAY IN FRONT OF THE CIRCUIT BREAKER Insulation Integrity Test Note N Roll over each high potential test diagram configuration above to see the co...

Страница 6: ...rminal of the phase being tested 8 Press the TEST button on the DLRO Once the TEST button is pressed 100A dc will flow through the phase being tested If the circuit breaker is not closed the DLRO will not inject current 9 Apply the DLRO positive measurement test lead to the TOP terminal Be mindful not to connect this measurement lead to the current lead This insures that the current lead is not be...

Страница 7: ...mount of motion to the operating rods The first portion of the motion is used to close the contacts i e stroke and the remainder is used to further compress the preloaded wipe spring This additional compression is called wipe Wipe and stroke are thus related to each other As the stroke increases due to the erosion of contacts the wipe decreases A great deal of effort and ingenuity has been spent i...

Страница 8: ...rcuit breaker several times manually and electrically Roller bearings are used on the pole shaft the cam shaft the main link and the motor eccentric These bearings are packed at the factory with a top grade slow oxidizing grease which normally should be effective for many years They should not be disturbed unless there is definite evidence of sluggishness dirt or parts are dismantled for some reas...

Страница 9: ... the eccentric counterclockwise use a wooden hammer handle to break the threads Remove the two screws on the right hand motor support plate using a 9 64in Allen wrench Remove the motor plate from the side sheet for the 5kV circuit breaker Remove the motor Verify the new motor has the correct motor voltage on the motor sticker Lubricate the motor threads using molybdenum disulfide grease Eaton No 5...

Страница 10: ...ead bolt lock washer and spacer that hold the coil in place Be careful to capture the two fiber insulating washers behind the coil Note N The 5 16 x 3 in bolt is made of silicon bronze for magnetic purposes and must never be replaced with a steel bolt Slide the coil out of its bracket to its available open side and feed the wires through Remove the metal core from the center of the coil Install ne...

Страница 11: ...of wires make sure 2nd Shunt trip wires route the same way Place aluminum shim on back of 2nd shunt trip as shown Hold shim in place while you begin installation Make sure wires are routed through the same opening as the existing Install 2nd Shunt Trip next to existing Push to Open Assembly as shown hand tighten center bolt Make sure aluminum shim does not fall out Make sure steel brackets that st...

Страница 12: ...Vac For a basic understanding of the operation of the under voltage trip device refer to IB131006EN and the following operation description 1 With the circuit breaker closed and sufficient voltage on the Undervoltage Trip Device coil the moving clapper 1 is held to the stationary yoke 2 by the magnetic force produced by the coil 3 against the extension springs 4 pulling the moving clapper apart fr...

Страница 13: ...the same position Verify the electrical operation of the motor making sure that the motor circuit cuts off at the appropriate time If during an electrical charging operation the camshaft fails to rotate far enough for the motor cutoff switches to actuate the charging pawls may require adjustment Component Adjustment Testing the motor cutoff switch for adjustment on a 150VCP W25 mechanism Return th...

Страница 14: ...isconnect the operating link Loosen the handle screw on the counter Align the back edge of the arm with back edge of counter operator and tighten the screw Attach the operating link with the bent leg pointing down and away from you to the lower hole in left side of flag link and to counter handle and mount the counter to bracket using the two mounting screws and hardware Be sure the hardware is ti...

Страница 15: ...PTED SAFETY PROCEDURES Safety Precautions Read and understand the instruction manual for specific instructions before attempting any maintenance repair or testing on the circuit breaker The user is cautioned to observe all recommendations warnings and cautions relating to the safety of personnel and equipment The recommendations and information contained herein are based on experience and judgment...

Страница 16: ...VCP W Circuit Breaker Model VCP W 5 15 63kA 3000A 16 EATON Visual Instruction Booklet Essentials 150VCP W 25kA 1200A January 2017 ...

Страница 17: ...r customers effectively manage electrical hydraulic and mechanical power A global technology leader Eaton acquired Cooper Industries plc in November 2012 The 2012 revenue of the combined companies was 21 8 billion on a pro forma basis Eaton has approximately 103 000 employees and sells products to customers in more than 175 countries For more information visit www eaton com Eaton is a registered t...

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