ABB VM1, Manual, Page: 3 / 52

M ED I U M VO LTAG E P R O D U C T S 33
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Contents
Page
1 Summary 4
1.1 General 4
1.2 Standards and specifications 4
1.2.1 Switchgear manufacture 4
1.2.2 Installation and operation 4
1.3 Operating conditions 4
1.3.1 Normal operating conditions 4
1.3.2 Special operating conditions 4
2 Structure 5
2.1 Structure of the operating mechanism 5
2.1.1 Structure of the control module 5
2.1.2 Storage capacitor 5
2.1.3 Sensor system 5
2.2 Structure of the breaker poles 6
2.3 Basic structure of the circuit breaker on
withdrawable part 6
3 Function 7
3.1 Function of the circuit breaker operating
mechanism 7
3.1.1 Magnetic actuator 7
3.1.2 Opening and closing procedure 7
3.1.3 Reclosing sequence 7
3.1.4 Circuit breaker controller 7
3.1.4.1 Function of the standard version 7
3.1.4.2 Extended functions in the full version 7
3.1.5 “READY“ lamp 8
3.1.6 Blocking magnet -RL2 8
3.2 Wiring diagrams for C.B. on withdrawable
part 8
3.3 Quenching principle of the vacuum
interrupter 8
3.4 Interlocks 9
3.4.1 Interlocks / protection against
maloperation for C.B. on withdrawable
parts 9
3.4.2 Interlocks within VM1 withdrawable
parts 9
3.4.2.1 Interlocks when using ABB
withdrawable assemblies are used 9
3.4.3 Interlocks when using non-original
withdrawable assemblies are used 9
4 Despatch and storage 10
4.1 Condition on delivery 10
4.2 Packaging 10
4.3 Transport 10
4.4 Delivery 10
4.5 Intermediate storage 10
5 Installation and mounting of the breaker 11
6 Commissioning/Operation 12
6.1 Note on safety at work 12
6.2 Preparatory activities 12
6.3 Earthing 13
6.4 Movement of the withdrawable breaker part 13
6.4.1 Manual insertion from the test/
disconnected position to the service
position 13
6.4.2 Manual withdrawal from the service
position into the test/disconnected
position 13
6.4.3 Withdrawal from the test/disconnected
position onto the service truck 13
6.4.4 Insertion from the service truck into
the test/disconnected position 13
6.5 Circuit breaker operation 14
Page
7 Maintenance 15
7.1 General 15
7.1.2 Instructions for capacitor life 15
7.2 Inspection and functional testing 16
7.2.1 Circuit breaker in general 16
7.2.2 Magnetic actuator operating
mechanism 16
7.2.3 Withdrawable part 16
7.3 Servicing 16
7.3.1 Circuit breaker in general 16
7.3.2 Magnetic actuator operating
mechanism 17
7.3.3 Breaker pole 17
7.4 Repair 17
7.4.1 Repair of surface damage 17
7.4.2 Replacement of components 18
7.5 Tests on withdrawable parts with VM1
type circuit breakers 18
7.5.1 Checking the auxiliary switch settings
on withdrawable parts 18
7.5.2 Checking of interlock conditions 19
7.6 Spare parts, auxiliary materials, lubricants 19
7.6.1 Spare parts 19
7.6.2 Auxiliary materials and lubricants 20
8 Application of the X-ray regulations 21
9 Figures 22
10 Technical data 32
10.1 Technical data, general 32
10.1.1 Technical data for Control electronics 32
10.1.2 Technical data for AC/DC converter 32
10.1.3 Permissible number of vacuum
interrupter operating cycles 33
10.2 Technical data Circuit breakers for fixed
installation 35
10.2.1 Performance data and weights 35
10.2.2 Dimensions 37
10.3 Technical data Circuit breakers on
withdrawable part 40
10.3.1 Performance data and weights 40
10.3.2 Dimensional drawings 42
10.3.3 Wiring diagrams for C.B. on
withdrawable part 48
11 Comparison of designations to
IEC 61346-1 / 61346-2, IEC 81346-1 / 81346-2
and VDE-DIN 40719 Part 2 50