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23

Instruction Book

IB182917EN September 2018 www.eaton.com

DHP-VR

+

VR-Series

+

Replacement Circuit Breaker

Figurt 4.9. Closing Cam and Trip Linkagt (50DHP-VR+ Shown)

Circuit Breaker Open, Springs Discharged

Circuit Breaker Closed, Springs Charged

Closing Cam and Trip Linkage

1

Spring Release (Close) Latch

6

Ratchet Wheel

11 Anti-Close Interlock

2

Pole Shaft

7

Spring Crank

12 Motor Ratchet Lever

3

Closing Spring Fixed End

8

Cam Shaft

13 Spring Release (Close) Clapper

4

Closing Spring

9

Spring Release Latch (Close Roller)

14 Spring Release (Close) Coil

5

Holding Pawl

10 Drive Pawl

2

1

3

4

5

6

7

8

9

10

11

12

13

14

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Содержание DHP VR + Series

Страница 1: ...September 2018 Instruction Book IB182917EN DHP VR VR Series Replacement Circuit Breaker Supersedes July 2018 Effective 50DHP VR 250 1200A Shown...

Страница 2: ...iations of this equipment do not purport to be covered by these instructions If further information is desired by purchaser regarding his particular installation operation or maintenance of particular...

Страница 3: ...SPRING RELEASE INTERLOCKS 19 4 6 5 RAIL LATCH 19 4 7 MISCELLANEOUS ITEMS 20 4 7 1 GROUNDING CONTACT 20 4 7 2 MOC AND TOC OPERATIONS 20 4 7 3 OPERATIONS COUNTER 20 4 7 4 RACKING DEVICE 20 SECTION 5 IN...

Страница 4: ...rtant that this installation and maintenance instruction booklet be read and followed closely to achieve optimum performance and a long useful circuit breaker life in its application 1 1 VISUAL INSTRU...

Страница 5: ...VR 41 bc 4 76 N A 1200 2000 1 00 19 60 41 41 78 132 75DHP500 75DHP VR 500 8 25 500 1200 2000 1 25 36 95 33 41 66 111 75DVP500 75DVP VR 500 8 25 500 1200 2000 1 25 36 95 33 41 66 111 150DHP500 150DHP...

Страница 6: ...on com DHP VR VR Series Replacement Circuit Breaker Table 2 Available DHP VR Dimensions Circuit Breaker Type Existing Circuit Breaker Rated Continuous Current at 60 Hz Amps A B C D E F 50DHP VR 1200 2...

Страница 7: ...cuit Breaker E F D C C B A Table 3 Available DHP VR Dimensions Circuit Breaker Type Existing Circuit Breaker Rated Continuous Current at 60 Hz Amps A B C D E F 75 150DHP DVP VR 500 750 1200 2000 60 71...

Страница 8: ...test coupler engaged Failure to disconnect the test coupler could result in an electrical shock leading to death severe personal injury equipment damage and or improper operation Do not work on a clo...

Страница 9: ...items or hardware are not discarded with the packing material Check the contents of each package against the packing list Examine the circuit breaker for any signs of shipping damage such as broken m...

Страница 10: ...breaker is free from shipping damage and is in satisfactory operating condition before placing it in to storage The circuit breaker is shipped with its contacts open and closing springs discharged Th...

Страница 11: ...250 1200A Shown Front External View 1 Operations Counter 6 Secondary Disconnect Contact Operating Rod 11 Racking Shaft 2 Spring Charged Discharged Indicator 7 Front Cover 12 Turning Dolly Bracket 3 C...

Страница 12: ...re 3 3 b Rear External View of DHP VR 50DHP VR 250 1200A Shown Rear External View 1 Lifting Point 4 Primary Disconnect Contact 7 Secondary Disconnect Contact Block 2 Vacuum Interrupter 5 Snubber Bolts...

Страница 13: ...VR 150DHP VR 500 1200A Shown Front External View 1 Front Cover 5 Secondary Disconnect Contact Operating Rod 9 Spring Charged Discharged Indicator 2 Racking Shaft 6 Turning Dolly Bracket 10 Operations...

Страница 14: ...iew of DHP VR 150DHP VR 500 1200A Shown Rear External View 1 Lifting Point 5 Rail Latch 9 Secondary Disconnect Contact Block 2 Vacuum Interrupter 6 Primary Disconnect Contact 10 Ground Contact 3 Shutt...

Страница 15: ...BLY Each vacuum interrupter assembly also referred to as pole unit is assembled at the factory as a unit to assure correct dimensional relationships between working components Three interrupter assemb...

Страница 16: ...EAKER CONTACTS ARE CLOSED OR THE CLOSING SPRINGS ARE CHARGED THE CIRCUIT BREAKER CONTACTS MAY OPEN OR THE CLOSING SPRINGS DISCHARGE CAUSING CRUSHING INJURY DISCHARGE THE SPRINGS AND OPEN THE CIRCUIT B...

Страница 17: ...ircuit so that even though the circuit breaker would subsequently open it could not be reclosed before CS C was released and remade This is the anti pump function 4 4 1 TIMING The opening and closing...

Страница 18: ...Test and Connect positions OPERATION C and NO C and NC C and NO C and NO C and NC C and NO Brown Switch Black Switch Black Switch Brown Switch SWITCH TERMINAL LS1 bb LS2 aa LS2 bb LC PS1 PS2 Circuit...

Страница 19: ...is that the circuit breaker must not be inserted into or removed from a live circuit while the main contacts are closed Also considered in the interlocking is that the circuit breaker should pose no...

Страница 20: ...Truck Operated Cell Switch TOC is operated by movement of the circuit breaker truck into or out of the Connect position 4 7 3 OPERATIONS COUNTER All DHP VR circuit breakers are equipped with a mechan...

Страница 21: ...Removed VR Series Circuit Breaker Element Mechanism 50DHP VR Shown 1 Charging Motor 5 Reset Opening Spring 9 Closing Cam 2 Operations Counter 6 LH Closing Spring 10 Motor Cutoff Switch 3 Ratchet wheel...

Страница 22: ...Front Cover Removed 5 1 2 3 4 5 6 7 8 9 10 11 12 VR Series Circuit Breaker Inverted Element Mechanism 150DHP VR Shown 1 LH Closing Spring 5 Spring Release Assembly 9 Reset Opening Spring 2 Auxiliary S...

Страница 23: ...ircuit Breaker Closed Springs Charged Closing Cam and Trip Linkage 1 Spring Release Close Latch 6 Ratchet Wheel 11 Anti Close Interlock 2 Pole Shaft 7 Spring Crank 12 Motor Ratchet Lever 3 Closing Spr...

Страница 24: ...sing Spring Not Charged 4 10 c Circuit Breaker Closed and Closing Spring Not Charged 4 10 b Circuit Breaker Open and Closing Spring Charged 4 10 d Circuit Breaker Closed and Closing Spring Charged Cha...

Страница 25: ...Cam and Trip Linkage 1 Spring Release Close Latch 6 Ratchet Wheel 11 Anti Close Interlock 2 Pole Shaft 7 Spring Crank 12 Motor Ratchet Lever 3 Closing Spring Fixed End 8 Cam Shaft 13 Spring Release C...

Страница 26: ...Open and Closing Spring Charged A 2 c Circuit Breaker Closed and Closing Spring Not Charged A 2 d Circuit Breaker Closed and Closing Spring Charged Charging Schematic 1 Main Link Roller 5 Closing Cam...

Страница 27: ...recorded force Should the forces be less than that proceed with the following steps to increase the circuit breaker force m DANGER MEASUREMENTS AND ADJUSTMENTS SHOULD NEVER BE ATTEMPTED IN AN ENERGIZ...

Страница 28: ...sure the distance from the floor plate of the circuit 0 00 to 0 031 Figure 5 4 Snubber Bolt Adjustment Note N Reference Section 3 for the specific location of the Snubber Bolt for each DHP VR Rating m...

Страница 29: ...breaker near the floor with the guide rail on the right hand side of the circuit breaker compartment floor Once the circuit breaker is aligned with the circuit breaker compartment floor guide push th...

Страница 30: ...breaker toward the rear of the circuit breaker compartment as far as it will go Be sure the circuit breaker is pushed in until it stops This will bring the racking nut on the circuit breaker up to the...

Страница 31: ...ce Insulation Integrity Main circuit to ground Withstand 15kV 60Hz for 1 Minute 5kV Rating 27kV 60Hz for 1 Minute 8 25kV and 15kV Ratings Hi pot Tester Clean and retest or replace Control circuit to g...

Страница 32: ...is recommended that the equipment be capable of delivering 25 milliamperes for one minute The current delivery capability of 25 mA ac applies when all three vacuum interrupters are tested in parallel...

Страница 33: ...osition Measure the voltage drop across the terminals The resistance can be calculated from Ohm s Law and is expressed in micro ohms Repeat for the remaining two poles The resistance should not exceed...

Страница 34: ...2 CloSure Tool Mounting Testing Locations by Circuit Breaker Type CIRCUIT BREAKER DESIGNATION APPROXIMATE MECHANISM CHASSIS WIDTH INCH LOWER MOUNTING HOLE LOWER MOUNTING HOLE MARKER PLACEMENT HOLE 50D...

Страница 35: ...lace it on a sheet of paper that can be kept as a record of the test Record the date of the test person conducting the test circuit breaker serial number and the operations counter on the tape or pape...

Страница 36: ...ker CloSure Tool TM 15 O 15 O Figure 6 13 Determining the Distance Traveled Figure 6 14 Illustrative Testing Tape Sample Figure 6 12 Evaluate the CloSure Performance Date of Breaker Operations CloSure...

Страница 37: ...rocedures Assuming that the circuit breaker is safely removed from the circuit breaker compartment enclosure and positioned in an area outside the arc fault boundary follow this procedure to perform t...

Страница 38: ...he pen opening If it is not aligned this indicates a problem with the circuit breaker stop the test and consult the factory Figure 6 17 c Typical Circuit Breaker Front View with CloSure Tool Attached...

Страница 39: ...in Hole C While Closing Circuit Breaker Figure 6 21 Pole Shaft Located On Left Side Of Circuit Breaker Figure 6 22 Move the Sharpie 15o Left and Right Figure 6 23 Top view of Cam and Marker Interface...

Страница 40: ...tic lubricant When applied in usual service conditions as defined by IEEE C37 04 1999 the VR Series circuit breaker element requires maintenance only once every ten years or ten thousand operations wh...

Страница 41: ...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...

Страница 42: ...SWITCH Circuit Breaker Auxiliary Switch 94C9525G13 5 POSITION SWITCH Circuit Breaker Position Switch PS1 94C9525H06 6 POSITION SWITCH Circuit Breaker Position Switch PS2 94C9525H07 7 LATCH CHECK SWIT...

Страница 43: ...vard Cleveland OH 44122 United States Eaton com 2018 Eaton All Rights Reserved Printed in USA Publication No IB182917EN September 2018 Eaton is a registered trademark All trademarks are property of th...

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