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VD4

Vacuum circuit-breaker on withdrawable part –  

high duty

Instruction manual BA 414/07 E

Contents

1  Summary 

5

2  Technical data 

6

3  Circuit-breaker on withdrawable part 

8

4  Operation of the switchgear 

11

5  Maintenance 

15

BA 414-07_GB_AMC.indd   1

18.07.12   10:24

 Medium voltage products

Summary of Contents for VD4 Series

Page 1: ...aker on withdrawable part high duty Instruction manual BA 414 07 E Contents 1 Summary 5 2 Technical data 6 3 Circuit breaker on withdrawable part 8 4 Operation of the switchgear 11 5 Maintenance 15 Me...

Page 2: ......

Page 3: ...al marked with this warning symbol Make sure that under operation condition of the switchgear or switchboard the specified data are not exceeded Keep the instruction manual accessible to all persons c...

Page 4: ...5 2 1 General 15 5 2 2 Withdrawable assembly 16 5 3 Servicing 16 5 4 Repairs 16 5 4 1 Switchgear in general 16 5 4 2 Replacement of components 17 5 5 Testing withdrawable parts with a VD4 type circui...

Page 5: ...ve 1 kV Accident prevention regulations issued by the appropriate professional bodies or comparable organisations In Germany these comprise the following safety regulations Health and Safety at Work S...

Page 6: ...ted mechanisms 2 The weight raises about 2 kg for motor driven withdrawable parts 3 With fan cooling Together with this instruction manual it is essen tial to consult manual BA 359 Vacuum circuit brea...

Page 7: ...rts of type A see section 5 5 2 Exists only for rated currents above 2500 A 3 with fan cooling Panel type Parameter p A C D E F G M W U 12 kV 17 5 kV UniGear type ZS1 1250 A 50 kA 1600 A 50 kA 2000 A...

Page 8: ...or the mounting frame which are normally effective are as follows concerning the circuit breaker The withdrawable part can only be moved from the test disconnected position into the service position...

Page 9: ...efore mechanical blocking of the spindle mechanism and may only be applied again after the end of mechanical blocking This ensures that the shunt release ON cannot be loaded with an electrical ON puls...

Page 10: ...4 2 Contact arm 4 3 Contact system Figure 3 3 Withdrawable assembly with built in auxiliary switch type B see section 5 5 S8 Test position indicator S9 Service position indicator 18 Spindle 18 2 Scene...

Page 11: ...operations of switching devices manually or by electrical control and simul taneously observe the relevant position indica tors Check mechanical and electrical interlocks for effectiveness without usi...

Page 12: ...in emergency manual operation If the drive motor fails during movement of the withdrawable part the withdrawable part must be moved into a limit position in emergency manual operation Emergency manual...

Page 13: ...ircuit breaker With the withdrawable part in the service position on and off switching operations should only be carried out with the doors closed Operate the local or remote electrical control Observ...

Page 14: ...part 18 Spindle mechanism 121 Hand crank Figure 4 4 Service truck engaged with the panel Withdrawable circuit breaker part released for removal by moving the sliding handles inwards 13 Withdrawable c...

Page 15: ...ge me chanism for instance retains a basic tension which is independent of the charging and discharging processes during switching so as to ensure correct function This spring energy can be inadverten...

Page 16: ...uch unusual problems For details of servicing see also the relevant sec tions of manual BA 359 5 4 Repairs 5 4 1 Switchgear in general Repair of surface damage Sheet steel parts painted Remove rust e...

Page 17: ...e motor could otherwise be braked electrically Turn hand crank 121 in the required direction Note When the withdrawable part moves the motor turns The motor functions in such a case like a generator i...

Page 18: ...position Remove the hand crank Switch the supply voltage for the travel motor on Use the local electrical controls to check that the withdrawable part moves in the correct direction Caution Do not all...

Page 19: ...hdrawable parts Releasing the blocking magnet Y0 Remove front plate 1 1 Disengage blocking magnet Y0 by pulling the magnet armature While doing so turn crank 121 about one half turn either direction o...

Page 20: ...hanism Delayed undervoltage release Y4 GCE9371466R01 2 with spring mechanism Indirect overcurrent release with intermediate Y7 GCE9371466R0112 current transformer and spring mechanism Intermediate cur...

Page 21: ...48 V R0103 60 V R0104 110 V R0105 125 V R0107 220 V R0106 Motor with gearbox M1 24 V GCE0940150P0111 30 V P0112 48 V P0113 60 V P0114 110 V P0115 220 V P0116 5 6 2 Auxiliary materials and lubricants...

Page 22: ...5 1 Fit the contact system back to front on the thin end of the arbor and slide it onto the thicker shank area 4 3 Contact system 127 Arbor 127 1 Journal Figure 5 2 Motor driven withdrawable part in a...

Page 23: ...cuit breaker with manually operated withdrawable parts 13 24 Roller 13 25 Cam 13 26 Lever 13 27 Pin 13 91 Link rod 13 91 1 Bolt 13 91 2 Bolt 13 92 Angle lever 13 92 1 Bolt Figure 5 5 Detail in the are...

Page 24: ...ON 0 R0 2 S2 Y3 K0 A 41 21 22 18 33 16 17 19 38 39 Y4 Y2 Y2 Y4 Y9 15 13 37 44 42 30 2 V3 Y9 B 14 X0 V0 Y0 V1 36 46 45 35 34 20 E A Q0 X0 P Y0 Block Magnet on truck with rectifier V0 Y1 Closing block m...

Page 25: ...4 V2 P Y0 Block Magnet on truck with rectifier V0 Y1 Closing block magnet with rectifier V1 Y2 1 Shunt release OFF with rectifier V2 Y3 Closing release with rectifier V3 Y4 Undervoltage release U with...

Page 26: ...resentation Aux switch S1 shown for c b mechanism discharged C b unit in service position Control wiring plug 58 pole Earthing switch mechanical interlock with c b unit a C b unit in test position Ear...

Page 27: ...16 B1 B11 B2 B3 B4 B5 B6 B7 B8 B9 B10 B12 B13 B14 B15 B16 C1 C11 C2 C3 C4 C5 C6 C7 C8 C9 C10 C12 C13 C14 C15 C16 D1 D11 D2 D3 D4 D5 D6 D7 D8 D9 D10 D12 D13 D14 D15 D16 Q0 Y0 Block Magnet on truck with...

Page 28: ...tage Products Oberhausener Strasse 33 Petzower Strasse 8 40472 Ratingen 14542 Werder Havel OT Glindow GERMANY GERMANY Tel 02102 12 0 Fax 02102 12 17 77 E Mail powertech de abb com www abb com mediumvo...

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