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Instruction Book

Instructions for Installation, Operation and Maintenance

E f fe c t i ve : Ma r ch 2 0 0 7

of Type DHP-VR Vacuum Replacement Circuit Breakers

For DHP Switchgear

Publication No. IB6513C80G (ISI)
March 2007

Eaton Corporation
Cutler-Hammer business unit
1000 Cherrington Parkway
Moon Township, PA 15108-4312
USA
tel: 1-800-525-2000
www.cutler-hammer.eaton.com

Courtesy of NationalSwitchgear.com

Содержание Cutler-Hammer 150DHP-VR1000

Страница 1: ...ectrical com Instructions for Installation Operation and Maintenance of Type DHP VR Vacuum Replacement Circuit Breakers for DHP Switchgear I B 6513C80G Supersedes I B 6513C80F dated November 2003 Effe...

Страница 2: ...Effective March 2007 I B 6513C80G Courtesy of NationalSwitchgear com...

Страница 3: ...MAY CAUSE THE EQUIPMENT TO FAIL RESULTING IN DEATH BODILY INJURY AND PROPERTY DAMAGE ALL SAFETY CODES SAFETY STANDARDS AND OR REGULATIONS AS THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRIC...

Страница 4: ...ty 15 4 6 Insulation 15 4 7 Contact Erosion and Wipe 15 4 8 Primary Circuit Resistance 15 4 9 Nameplate 15 4 10 Snubber Adjustment 15 4 11 Electrical Operations Check 15 4 12 Lever Breaker Into Cell 1...

Страница 5: ...43 6 11 Troubleshooting 44 SECTION 7 RENEWAL PARTS 7 1 General 47 7 1 1 Ordering Instructions 47 TABLES Table Title Page 1 1 Type DHP VR Vaccum Circuit Breaker Availability and Interchangeability 1 3...

Страница 6: ...alled On 5 kV DHP VR Breaker 30 5 11 Code Plate Installed On 15 kV DHP VR Breaker 30 5 12 DHP VR Breaker 5 kV Floor Tripping Levers Underneath Front View 31 5 13 DHP VR Breaker 7 5 or 15 kV Floor Trip...

Страница 7: ...200 1 19 19 60 41 49 78 132 4 16 XX 2000 50DHP VR250U 2000 1 19 19 60 41 49 78 132 4 16 50DHP350 1200 50DHP VR350 1200 1 19 19 60 41 49 78 132 4 16 50DHP350 2000 50DHP VR350 2000 1 19 19 60 41 49 78 1...

Страница 8: ...more information visit www EatonElectrical com I B6513C80G Rating A B C D 250 22 40 21 88 48 76 24 03 250U 22 40 21 88 48 76 24 03 Figure 1 1 Outline and Dimensions inches Type DHP VR Breakers 5 kV 2...

Страница 9: ...Page 3 IB6513C80G For more information visit www EatonElectrical com Rating A B C D 3 5 0 2 2 6 5 2 2 3 8 5 7 1 6 2 9 3 8 Figure 1 2 Outline and Dimensions inches Type DHP VR Breakers 5 kV 350 MVA Rat...

Страница 10: ...visit www EatonElectrical com I B6513C80G Rating A B C 500 60 75 31 25 34 81 750 60 75 31 25 34 81 750C 73 75 31 00 38 35 1000 73 75 31 00 38 35 Figure 1 3 Outline and Dimensions inches Type DHP VR Br...

Страница 11: ...ty damage Do not work on a breaker with the secondary test cou pler engaged Failure to disconnect the test coupler could result in an electrical shock leading to death personal injury or property dama...

Страница 12: ...e Tool Used to charge the closing springs Style 8064A02G01 Levering Crank Used to crank the breaker between Test and Connected positions Style 509A931G01 Lifting Yoke Optional item used to lift the br...

Страница 13: ...contacts open green indicator After completing this initial check leave the closing springs discharged and breaker contacts open Outdoor storage is NOT recommended If unavoidable the outdoor location...

Страница 14: ...uction Book Page 8 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 3 2 Front External View of DHP VR Breaker 5kV 250 MVA Rating Courtesy of NationalSwitchgea...

Страница 15: ...uction Book Effective March 2007 Page 9 IB6513C80G For more information visit www EatonElectrical com Figure 3 3 Rear External View of DHP VR Breaker 5 kV 350 MVA Rating Courtesy of NationalSwitchgear...

Страница 16: ...k Page 10 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 3 4 Front External View of DHP VR Breaker 7 5 and 15 kV 500 and 750 MVA Ratings Courtesy of Nationa...

Страница 17: ...ok Effective March 2007 Page 11 IB6513C80G For more information visit www EatonElectrical com Figure 3 5 Rear External View of DHP VR Breaker 7 5 and 15 kV 500 and 750 MVA Ratings Courtesy of National...

Страница 18: ...t is done with the breaker out of the cell open and all springs discharged Refer to Figures 4 1 through 4 6 for reference assistance Finally the SURE CLOSE mechanism provides an effective way to evalu...

Страница 19: ...is completed be sure to properly replace and secure the phase barrier removed in Step 1 Figure 4 1 MOC driving spring Figure 4 2 Drive Spring Adjusted for 0 or 1 MOC Switch Figure 4 3 Drive Spring Ad...

Страница 20: ...AGRAPH MUST BE PERFORMED BEFORE INSTALLING A REPLACEMENT DHP VR CIRCUIT BREAKER FAILURE TO COMPLETE THESE STEPS COULD RESULT IN EQUIPMENT DAMAGE AND OR IMPROPER OPERATION Inspect the MOC pantograph in...

Страница 21: ...e information with switchgear drawings for compatibility Breaker and compartment code plates do match power ratings but do not match control voltages 4 10 SNUBBER ADJUSTMENT CAUTION FOR ALL TYPE DHP H...

Страница 22: ...Instruction Book Page 16 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 4 2 Snupper Adjustment Courtesy of NationalSwitchgear com...

Страница 23: ...pring if the control circuit is energized c To engage the secondary contacts on the 5kV design lift the handle on the front left hand side of the breaker chassis to a horizontal position Once the rod...

Страница 24: ...O THE LEVERING IN MECHANISM WHILE THE BREAKER IS CLOSED COULD SHEAR OFF THE PIN THAT THE LEVERING CRANK ENGAGES DURING OPERATION WHILE LEVERING THE BREAKER NOTE ANY SUDDEN RESISTANCE TO LEVERING OR SI...

Страница 25: ...n and its closing spring may discharge as it is withdrawn from the cell It depends on whether the breaker was left closed or open or whether the spring was left charged or discharged To remove the bre...

Страница 26: ...ANSI Standards are also maintained Figure 5 1 DHP VR 5k V Interrupter Assembly The primary insulation used on 5kV DHP VR vacuum circuit breakers is glass polyester while the primary insulation used on...

Страница 27: ...have eroded to the extent that the interrupter must be replaced close the breaker and observe the erosion mark placed on each moving stem from the rear of the breaker If the mark on the interrupter st...

Страница 28: ...mechanism is a cam shaft assembly which consists of a drive shaft to which are attached two closing spring cranks one on each end the closing cam drive plates and a free wheeling ratchet wheel The rat...

Страница 29: ...Instruction Book Effective March 2007 Page 23 IB6513C80G For more information visit www EatonElectrical com Figure 5 3 DHP VR 5 kV Design Front Faceplate Removed Courtesy of NationalSwitchgear com...

Страница 30: ...truction Book Page 24 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 5 4 DHP VR 7 5 or 15 kV Design Front Faceplate Removed Courtesy of NationalSwitchgear c...

Страница 31: ...Instruction Book Effective March 2007 Page 25 IB6513C80G For more information visit www EatonElectrical com Figure 5 5 Closing Cam and Trip Linkage Courtesy of NationalSwitchgear com...

Страница 32: ...age 26 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 5 6 Charging Schematic Breaker Closed Springs Charged Breaker Open Springs Discharged Courtesy of Nati...

Страница 33: ...control switch close contact may have been made while the breaker is levered to the Connected position When the CS C contact is made the SR closes the breaker If the CS C contact is maintained after...

Страница 34: ...Instruction Book Page 28 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Figure 5 7 Typical DHP VR DC and AC Control Schemes Courtesy of NationalSwitchgear com...

Страница 35: ...initially engaged Once initial engagement is achieved hold the operating rod firmly in that position with one hand while grasping the secondary engaging handle with the other hand The secondary engagi...

Страница 36: ...e closing springs electrically or manually if the breaker is already closed Figure 5 6 On a closed breaker the interlock lever moves toward the rear In this position the movement of the spring release...

Страница 37: ...trical com Figure 5 12 DHP VR Breaker 5 kV Floor Tripping Levers Underneath Front View Figure 5 13 DHP VR Breaker 7 5 or 15 kV Floor Tripping Lever Underneath Rear View Figure 5 14 DHP VR Breaker 5 kV...

Страница 38: ...ping with the instructions outlines in paragraph 4 3 before any attempt is made to insert the breaker into the cell The cell mounted Truck Operated Cell Switch TOC is operated by movement of the break...

Страница 39: ...the levering shaft is rotated counter clockwise the rear key will catch and enter the slot and rotate the guide tube and nut with drawing the breaker At the end of the travel the nut disengages from...

Страница 40: ...D LESS THAN ONE METER AWAY FROM THE BREAKER WHEN TESTING FOR VACUUM INTEGRITY FAILURE TO FOLLOW ANY OF THESE INSTRUCTIONS MAY CAUSE DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE SEE SECTION 2 SAFE PR...

Страница 41: ...ble replace interrupter assembly Tighten if necessary Replace VI assembly Replace interrupter assembly if vacuum is not adequate Clean with dry lint free cloth Replace if burned damaged or eroded 3 Co...

Страница 42: ...uld 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...

Страница 43: ...condary control wiring requires inspection for tightness of all connections and damage to insulation 6 7 INSULATION INTEGRITY CHECK PRIMARY CIRCUIT The integrity of primary insulation may be checked b...

Страница 44: ...hey use a highly reliable and unique flexible clamp design that eliminated the need for lubrication and inspection for wear If desired the DC resistance of the primary circuit may be measured as follo...

Страница 45: ...CEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES Safety Precautions Read and understand these instructions before attempting any maintenance repair or testing on the breake...

Страница 46: ...tely 15o in both directions to create a line on the tape that identifies the closed rest position Figures 6 14 6 20 and 6 16 Step 10 Remove the marker from hole C Step 11 Push the push to open clapper...

Страница 47: ...trical com Figure 6 11 Attaching CloSureTM Test Tool at Hole B Figure 6 12 Manually Charging Closing Springs Figure 6 13 Manually Closing Circuit Breaker with Marker in Hole C Figure 6 14 Top View of...

Страница 48: ...Figure 6 16 Move Marker 15o to left Figure 6 17 Remove Marked Masking Tape from Cam Figure 6 18 Place Tape on Right Side Panel of Breaker Figure 6 19 Illustrative Testing Tape Sample Figure 6 20 Front...

Страница 49: ...m 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 distu...

Страница 50: ...s not charged Control Circuit Control Power Fuse blown or switch off Secondary Disconnects Motor Cut off Switch Poor or burned contacts Lever not operational Terminals and connectors Poor or burned co...

Страница 51: ...iary Switch b contact open or burned Motor Cut off Contacts open or burned Trip Coil Assy Clapper fails to reset Closing Springs Charged but breaker does not close Closing Sound But no Close Pole Shaf...

Страница 52: ...urned Trip Coil Burned or open Terminals and Connections Poor or burned or open Trip Clapper Jammed Trip Sound But no Trip Trip Mechanism Vacuum Interrupter One or more Welded Trip Bar Trip Latch Jamm...

Страница 53: ...ending upon the service severity and continuity requirements Each customer should develop his own stock level based on operating experience 7 1 1 ORDERING INSTRUCTIONS a Always specify the breaker rat...

Страница 54: ...Instruction Book Page 48 Effective March 2007 For more information visit www EatonElectrical com I B6513C80G Courtesy of NationalSwitchgear com...

Страница 55: ...ent Circuit Breakers For DHP Switchgear 2003 Eaton Corporation All Rights Reserved Printed in USA Publication No IB6513C80G ISI March 2007 Eaton Corporation Cutler Hammer business unit 1000 Cherringto...

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