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Instruction Book

IB182017EN February 2017 www.eaton.com

5kV, 7.5kV, & 15kV DHP-VR

Replacement Circuit Breaker

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Figurt 3.3.a. Front Exttrnal Vitw of 5kV DHP-VR (50DHP-VR 250 1200A Shown)

Front External View

1

Pull / Push Handle

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Code Plate

11 Push To Open Button

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Operations Counter

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Secondary Contact Operating Rod

12 Racking Operating Shaft

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Breaker Contact Status Indicator

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Removable Faceplate

13 Rail Latch

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Push To Close Button

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Manual Charge Socket

14 Turning Dolly Bracket

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Secondary Contact Engaging Handle

10 Spring Charged / Discharged Indicator

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Содержание 50DHP-VR

Страница 1: ...February 2017 Instruction Book IB182017EN 5kV 7 5kV 15kV DHP VR Replacement Circuit Breaker Supersedes I B 6513C80G Effective 5kV DHP VR 1200A Shown...

Страница 2: ...to be covered by these instructions If further information is desired by purchaser regarding his particular installation operation or maintenance of particular equipment contact an Eaton representati...

Страница 3: ...RLOCK 25 4 7 3 ANTI CLOSE INTERLOCK 25 4 7 4 FLOOR TRIPPING AND CLOSING SPRING RELEASE INTERLOCKS 25 4 7 5 RAIL LATCH 25 4 8 MISCELLANEOUS ITEMS 25 4 8 1 GROUNDING CONTACT 25 4 8 2 MOC AND TOC OPERATI...

Страница 4: ...s VIBE is a digital supplemental booklet featuring user interactive content and informative videos intended to assist with the maintenance of the VR Series circuit breaker The VIBE document is availab...

Страница 5: ...78 132 4 16 350 1200 2000 3000 50DHP350 1 19 19 60 41 49 78 132 75DHP VR 7 2 500 1200 2000 3000 75DHP500 1 25 36 95 33 41 66 111 75DVP VR 7 2 500 1200 2000 75DVP500 1 25 36 95 33 41 66 111 150DHP VR...

Страница 6: ...kV DHP VR Replacement Circuit Breaker Table 2 DHP VR 5kV 250 MVA Rating Dimensions Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F G H I 50DHP VR 250 250U 1200 2000 48...

Страница 7: ...15kV DHP VR Replacement Circuit Breaker Table 3 DHP VR 5kV 350 MVA Rating Dimensions Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F G H I 50DHP VR 350 1200 2000 57 1...

Страница 8: ...V 7 5kV 15kV DHP VR Replacement Circuit Breaker Table 4 DHP VR 5kV 350 MVA Rating Dimensions Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F G H 50DHP VR 350 3000 61 1...

Страница 9: ...Amps A B C D E F G 75DHP VR 500 1200 2000 3000 60 75 31 25 10 00 34 81 10 00 19 75 20 69 150DHP VR 500 1200 2000 3000 60 75 31 25 10 00 34 81 10 00 19 75 20 69 150DHP VR 750 1200 2000 3000 60 75 31 2...

Страница 10: ...V 15kV DHP VR Replacement Circuit Breaker Table 6 DHP VR 15kV Ratng Dimensions Breaker Type Existing Breaker Rated Continuous Current at 60 Hz Amps A B C D E F 150DHP VR 50G 1200 2000 3000 73 72 31 00...

Страница 11: ...njury and or property damage Do not work on a breaker with the secondary test coupler engaged Failure to disconnect the test coupler could result in an electrical shock leading to death personnel inju...

Страница 12: ...ch moves the circuit breaker into and out of the cell The original OEM racking handle will interface with the VR Series replacement breaker racking mechanism and is therefore not provided as part of t...

Страница 13: ...this initial check leave the closing springs discharged and breaker contacts open Outdoor storage is NOT recommended If unavoidable the outdoor location must be well drained and a temporary shelter fr...

Страница 14: ...VR 250 1200A Shown Front External View 1 Pull Push Handle 6 Code Plate 11 Push To Open Button 2 Operations Counter 7 Secondary Contact Operating Rod 12 Racking Operating Shaft 3 Breaker Contact Statu...

Страница 15: ...ing Outer Phase Barrier Removed For Demonstration Purposes Rear External View 1 Lifting Point 5 Phase Barrier 9 Racking Nut Housing 2 Vacuum Interrupter 6 V flex Current Connectors 10 Secondary Discon...

Страница 16: ...DHP VR 500 2000A Shown Front External View 1 Pull Push Handle 5 Code Plate 9 Spring Charged Discharged Indicator 2 Operations Counter 6 Secondary Engaging Handle 10 Racking Operating Shaft 3 Breaker C...

Страница 17: ...igure 3 3 d Rear External View of 7 5 and 15kV DHP VR 150DHP VR 500 2000A Shown Rear External View 1 Lifting Point 4 Guide Channel 7 Snubber Bolt 2 Racking Nut Housing 5 Phase Barrier 8 Secondary Disc...

Страница 18: ...VR 50G Front External View 1 Operations Counter 5 Secondary Engaging Handle 9 Spring Charged Discharged Indicator 2 Breaker Contact Status Indicator 6 Removable Faceplate 10 Racking Operating Shaft 3...

Страница 19: ...rcuit Breaker Figure 3 3 f Rear External View of 15kV DHP VR 50G Rear External View 1 Lifting Point 4 Phase Barrier 7 Racking Nut Housing 2 MOC Switch Operating Mechanism 5 Primary Disconnect Contact...

Страница 20: ...g a restrike across the gap of the open contacts 4 1 1 THE INTERRUPTER ASSEMBLY Each interrupter is assembled at the factory as a unit to assure correct dimensional relationships between working compo...

Страница 21: ...ADJUSTMENTS OF CONTACT WIPE AND STROKE ALL SUCH ADJUSTMENTS ARE FACTORY SET AND SHOULD NOT BE ATTEMPTED IN THE FIELD 4 2 PHASE BARRIERS Phase barriers are sheets of insulation located between the inte...

Страница 22: ...In Figure 4 16 a the breaker is open and the closing springs are discharged In this state the trip latch is disengaged from the trip D shaft unlatched After the closing springs become charged the tri...

Страница 23: ...pt between 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 PS...

Страница 24: ...in conjunction with regular maintenance periods to assist in tracking the general health of the breaker Typical ranges as observed using nominal control voltages are listed in Table 4 Table 4 Time Pe...

Страница 25: ...When the breaker is closed the interlock component moves away from the spring release clapper so that it cannot lift the spring release latch 9 4 7 4 FLOOR TRIPPING AND CLOSING SPRING RELEASE INTERLOC...

Страница 26: ...ing by one 4 8 4 RACKING DEVICE The purpose of the racking device is to move the breaker between the Test and Connected positions On the 7 5 or 15kV DHP VR the racking mechanism is located in the mech...

Страница 27: ...Element Front Faceplate Removed 20WR Vacuum Element 1 LH Closing Spring 5 Closing Cam 9 Reset Opening Spring 2 Motor Cutoff Switch 6 Spring Release Assembly 10 Manual Charge Socket 3 Latch Check Swit...

Страница 28: ...Element Front Faceplate Removed 29WR Vacuum Element 1 LH Closing Spring 5 Closing Cam 9 Reset Opening Spring 2 Motor Cutoff Switch 6 Spring Release Assembly 10 Manual Charge Socket 3 Latch Check Swit...

Страница 29: ...atch 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...

Страница 30: ...c Breaker Closed and Closing Spring Not Charged 4 16 b Breaker Open and Closing Spring Charged 4 16 d Breaker Closed and Closing Spring Charged Figure 4 16 Charging Schematic Charging Schematic 1 Main...

Страница 31: ...tment is checked and compatible if the breaker is moved to a different housing of the same rating The breaker has been factory adjusted to operate one mechanism operated cell MOC switch in the cell Th...

Страница 32: ...REPLACEMENT DHP VR CIRCUIT BREAKER FAILURE TO COMPLETE THESE STEPS COULD RESULT IN EQUIPMENT DAMAGE AND OR IMPROPER OPERATION Inspect the MOC pantograph in keeping with the following steps and refer...

Страница 33: ...nubber bolts on each side of the breaker Figure 5 8 Step 2 Adjust the height of the top of the snubber bolt to be between 0 0 and 0 031 0 0 and 1 32 inches below the measured height of the current tra...

Страница 34: ...PPROPRIATE BEFORE PROCEEDING Press down on the rail latch on the front right side of the breaker with your foot and push the breaker toward the rear of the cell as far as it will go Be sure the breake...

Страница 35: ...connected Withstand 1125V 60Hz For 1 Minute Hipot Tester Clean And Retest Or Replace 2 Power Element Vacuum Interrupters Contact Erosion Visibility Of Mark Visual Close The Breaker And Look For Green...

Страница 36: ...electrical charge that may be retained particularly from the center shield of vacuum interrupters To avoid any ambiguity in the AC high potential test due to leakage or displacement capacitive current...

Страница 37: ...ngth of the primary circuit Open the breaker Connect the high potential lead of the test machine to one of the poles of the breaker Connect the remaining poles and breaker frame to ground Start the ma...

Страница 38: ...sure of the extra energy available in terms of over travel in inches to close the breaker contacts to their full extent It may be used periodically to monitor the health of the mechanism General Infor...

Страница 39: ...ify that the mark made in Step 7 is aligned with the pen opening If it is not aligned this indicates a problem with the circuit breaker stop the test and consult the factory Step 12 Inspect the circui...

Страница 40: ...ove the Sharpie 15o Left and Right Figure 6 13 Top view of Cam and Marker Interface Cam Marker CloSure Tool TM 15O 15O Figure 6 10 With Marker in Hole C While Closing Breaker Figure 6 8 Manually Charg...

Страница 41: ...ft 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...

Страница 42: ...d 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 Fail...

Страница 43: ...SWITCH Breaker Auxiliary Switch 94C9525G13 5 BREAKER POSITION SWITCH Breaker Position Switch PS1 94C9525H06 6 BREAKER POSITION SWITCH Breaker Position Switch PS2 94C9525H07 7 LATCH CHECK SWITCH Latch...

Страница 44: ...evard Cleveland OH 44122 United States Eaton com 2017 Eaton All Rights Reserved Printed in USA Publication No IB182017EN February 2017 Eaton is a registered trademark All trademarks are property of th...

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