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Instruction Booklet

IB131024EN

Effective November 2017

38 kV Type VCPW-HD Simple Electrical

Ground & Test Device (SEG&TD) lower

terminal instruction booklet

EATON

www.eaton.com

5-8. GROUND CONTACT

The ground contact used with the drawout VCPW-HD circuit breaker

is an assembly of spring loaded fingers providing a dis-connectable

means for grounding the circuit breaker chassis, after it has been

inserted into a switchgear structure. The ground contact is located

on the lower left portion of the truck chassis. An extension of the

switchgear ground bus is secured to the cell floor in such a position

to engage the ground contact automatically, when the circuit breaker

is moved into the DISCONNECT/TEST position. It remains engaged

in all circuit breaker positions within the cell. (Figure 5-12)

Figure 5-12. 38kV VCPW-HD Mini Module.

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Содержание VCPW-HD

Страница 1: ...ion 2 3 Operation 7 4 Maintenance 18 5 Utility approvals 18 Appendix A 19 Appendix B 21 Appendix C 27 Effective November 2017 Instruction Booklet IB131024EN 38 kV Type VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet ...

Страница 2: ...cuit for maintenance work and Apply potential for cable testing 2 Description The 38 kV SEG TD see Figure 1 is a draw out element that can be inserted into a switchgear compartment in the same manner as a VCPW HD circuit breaker This device is equipped with a set of three upper terminals stabs see Figure 2 Figure 1 38 kV SEG TD front view Figure 2 38 kV SEG TD rear view Power grounding 38kV SEG TD...

Страница 3: ... mechani cal lift lock Please see Section 2 3 3 for details 2 1 2 Opening The power grounding 38kV SEG TD can be Opened by manually depressing the red Push to Open button shown in figure 7 or using the Remote Open Button shown in Figure 4 To manually activate the red Push to Open button shown in Figure 7 Insert key KD into the bottom cylinder of Lock 4 and rotate it in the cylinder then remove key...

Страница 4: ...lso identify the key s to be used in the locks as KB KC KD and KU Locks 1 2 and 4 are two cylinder locks while locks 3 and 5 are single cylin der locks see Figure 8 and Table 1 for details Figure 8 Interlock locations on the front of the 38 kV SEG TD Lock 1 Lock 2 Lock 3 Lock 4 Lock 5 Mechanical lift lock Table 1 38 kV SEG TD interlock details Lock of cylinders Key s required Lock 1 2 KB KU Lock 2...

Страница 5: ...Close buttons To activate the lift lock slide the left lock plate up until the hole in the plate aligns with the hole in the right lock plate as shown in Figure 13 Install a customer supplied pad lock through the holes in the left and right lock plates to lock the plates together Figure 13 Activating the mechanical lift lock 2 4 38 kV SEG TD interlock functions There are five interlocks located on...

Страница 6: ... Key KC normally resides in Lock 2 when not being used in Lock 3 2 4 4 Lock 4 keys KB and KD The Lock 4 interlock is a two cylinder lock used to mechanically lock the 38 kV SEG TD in the Closed Grounded position In this design the Lock 4 interlock is a two cylinder lock used with the Closed Locking Device to prevent the 38 kV SEG TD from being opened When the SEG TD is in the Open Ungrounded posit...

Страница 7: ... 38 kV SEG TD cannot be stored in a switchgear compart ment It can only be stored in its storage compartment CAUTION DO NOT STORE THE 38 KV SEG TD IN THE SWITCHGEAR COMPARTMENT 2 Store the 38 kV SEG TD in a clean dry area free from dust dirt moisture etc 3 Keep all insulating surfaces which include primary support insu lation and insulation barriers clean and dry 4 Check all primary circuit connec...

Страница 8: ...C is held captive see Figure 24 Figure 24 Key KC in Lock 2 without key KB 5 Lock 3 No key KC is present and the lock pin is extended locking the slide handles in the extended position so the 38 kV SEG TD cannot be inserted or removed from the switchgear compartment see Figure 25 Figure 25 No key in Lock 3 and lock pin extended to lock the slide handles 6 Lock 4 No key KB is present and key KD is h...

Страница 9: ...ed in Section 3 2 1 1 Obtain key KU from the Utility lockbox 2 Insert key KU into the bottom cylinder of Lock 1 Rotate key KU to release key KB and to move the associated switch to electrically disable the 38 kV SEG TD see Figure 28 Figure 28 Key KB in top cylinder and key KU in bottom cylinder of Lock 1 3 Move key KB to Lock 2 and insert it into the top cylinder Rotate existing key KC in the bott...

Страница 10: ...T TEST positions Figure 34 VCPW HD Cell slots for Breake Shoot Bolt Pin inser tion for DISCONNECT and TEST position 6 Once fully inserted into the breaker cell Test Position Slot Figure 34 release the slide handles and rotate key KC to the Locked position This will extend the locking pin for Lock 3 to lock the slide handles and the SEG TD within the breaker cell At this point key KC remains in Loc...

Страница 11: ...ition see Figure 37 Figure 37 Visually check that the 38 kV SEG TD is Open and Connected 9 Once the 38 kV SEG TD is fully racked into the connected position place key KC into Lock 2 and rotate key KC to mechanically unlock the SEG TD from being closed and to release key KB 10 Place key KB into Lock 1 and rotate it to electrically enable the 38 kV SEG TD This will release Key KU and place in Utilit...

Страница 12: ... in at end of 3 3 Step 16 Selector switch KK 1 KK 2 KK 3 KK 4 KK 5 KD KU KC No key KB No key CLOSE Figure 42 Key KU in Lock 1 and key KB in Lock 1 3 4 Un grounding the incoming feeder Key outside SEOG TD Key captured in at end of 3 3 Ste 16 Selector switch KK 1 KK 2 KK 3 KK 4 KK 5 KD KU KC No key KB No key CLOSE 1 Selector Switch is in the OFF position Keys should be in the positions from Step 3 3...

Страница 13: ...key KB 8 Insert key KB into Lock 1 then rotate and remove key KU 9 Return key KU to the Utility lockbox Key outside SEOG TD Key captured in Selector switch KK 1 KK 2 KK 3 KK 4 KK 5 KU KB KC No Key KD No key OFF 10 Store the 38 kV SEG TD in an environment that meets specifi cations Note N The 38 kV SEG TD should be in the open position with the test port shutters locked closed and keys held captive...

Страница 14: ...engage the end of the raking crank with the racking mechanism of the 38 kV SEG TD see Figure 32 Turn the raking crank counter clock wise until the SEG TD is fully racked out to the TEST position 3 Visually check to make sure the 38 kV SEG TD is open and racked to the TEST position 4 Insert key KU into Lock 1 and release key KB This will disable the device electrically 5 Insert key KB into Lock 2 a...

Страница 15: ...igure 45 Key KD rotated to retract the shutter locking pin Note N The shutter is spring loaded to return to its closed position so it will need to be held in the open position for test probe installation Due to the spring loading and the physical size and length of the test probes and cables an assistant should be used to help in this process 5 To install the test probes uncoil each test probe and...

Страница 16: ... KD No key OFF 1 Turn the selector switch to the OFF position and unplug the remote operator 2 Follow the same procedure as detailed in section 3 3 Steps 1 through 16 for racking the SEG TD completely at CONNECT position inside the cell 3 The feeder can be now tested 3 6 2 8 Probing the voltage Key outside SEOG TD Key captured in Selector switch KK 1 KK 2 KK 3 KK 4 KK 5 KU KB KC No key KD No key C...

Страница 17: ...lector switch KK 1 KK 2 KK 3 KK 4 KK 5 No key KU KC No key KB KD OFF 1 Return the selector switch to the OFF position 2 Insert key KU into Lock 1 and release key KB This will electrically lock the breaker at the CLOSE position 3 Insert key KB into Lock 4 and rotate key KD to release it This mechanically locks the 38 kV SEG TD Closed 4 Insert key KD into Lock 5 and rotate it to retract the lock pin...

Страница 18: ...ake sure the locations of the keys are as follows after the remov ing the SEG TD from the breaker cell Key outside SEOG TD Key captured in Selector switch KK 1 KK 2 KK 3 KK 4 KK 5 No key KU KB KC KD No key OFF 1 Once the 38 kV SEG TD is racked out of the breaker cell rotate key KC in Lock 3 and remove it 2 Insert key KC into Lock 2 and rotate it to release key KB 3 Insert key KB into Lock 1 then r...

Страница 19: ...hown on left SEG TD is OPEN and at CONNECT position 1 Move keys as shown on left 2 Plug in the remote operator and press CLOSE SEG TD is CLOSE and at CONNECT position Grounding Outgoing basbars 1 Move keys as shown on left SEG TD is CLOSE and at CONNECT position This has electrically and mechanically locked the SEG TD into CLOSE condition SEG TD is OPEN and at CONNECT position 1 Move keys as shown...

Страница 20: ...20 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com ...

Страница 21: ...evice SEG TD lower terminal instruction booklet EATON www eaton com Appendix B 38kV HD SEG TD Step by Step Installation Guide Reference Instructions from IB131020EN Reference Installation and Racking 380 VCPW HD HDR Vacuum Circuit Breakers The words VCPW HD circuit breaker can be replaced with 38kV HD SEG TD ...

Страница 22: ...ion between the TEST and CONNECT positions a DISCONNECT POSITION See Figures 4 3 to 4 5 Position the circuit breaker squarely in front of the structure Integrally mounted wheels facilitate circuit breaker movement out side of and into the structure Once the side mounted circuit breaker alignment rollers are aligned with the structure mounted alignment rails pull the shoot bolt handles in to retrac...

Страница 23: ...s must be pulled and held inward when inserting breaker into the DISCONNECT and TEST positions Be sure the handles return to the out ward position when the breaker is placed in the TEST posi tion or breaker will not be able to be racked in Breaker can not be racked when in the DISCONNECT position Figure 4 5 VCPW HD Breaker insertion Push in circuit break er to the DISCONNECT position shown Note Yo...

Страница 24: ... cell be sure that the cell sec ondary slider is in the front most position See Figure 5 9 When the circuit breaker is moved from DISCONNECT to the TEST position the secondary contacts connect Immediately after moving the breaker to the TEST position while the motor is still running pull the secondary ring handles forward to ensure a full connection The indicator slot in the pull handle should be ...

Страница 25: ...dis connectable means for grounding the circuit breaker chassis after it has been inserted into a switchgear structure The ground contact is located on the lower left portion of the truck chassis An extension of the switchgear ground bus is secured to the cell floor in such a position to engage the ground contact automatically when the circuit breaker is moved into the DISCONNECT TEST position It ...

Страница 26: ...26 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com ...

Страница 27: ...27 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com Appendix C ...

Страница 28: ...28 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com ...

Страница 29: ...29 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com NOTES ...

Страница 30: ...30 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com NOTES ...

Страница 31: ...31 Instruction Booklet IB131024EN Effective November 2017 38 kVType VCPW HD Simple Electrical Ground Test Device SEG TD lower terminal instruction booklet EATON www eaton com NOTES ...

Страница 32: ...d not be considered all inclusive If further information is required you should consult an authorized Eaton sales representative The sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between the parties This literature is not intended to and does not enlarge or add to any such contract T...

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