ABB VM1-T Manual page 2

V M 1 -T - VACUUM CIRCUIT BREAKER
2
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Contents
1. Summary
1.1 General
1.2 Standards and specifications
1.3 Operating conditions
2. Structure
2.1 Structure of the operating mechanism
2.2 Structure of the breaker poles
2.3 Basic structure of the circuit breaker
3. Function
3.1 Function of the circuit breaker operating
3.2 Ciruit diagrams for circuit breaker
3.3 Quenching principle of the vacuum
3.4 Interlocks
4. Despatch and storage
4.1 Condition on delivery
4.2 Packaging
4.3 Transport
4.4 Delivery
4.5 Intermediate storage
5. Installation and mounting of the breaker
6. Commissioning / Operation
6.1 Note on safety at work
6.2 Preparatory activities
6.3 Earthing
6.4 Movement of the withdrawable breaker
6.5 Operation of the circuit breaker
1.2.1 Switchgear manufacture
1.2.2 Installation and operation
1.3.1 Normal operating conditions
1.3.2 Special operating conditions
2.1.1 Structure of the control module
2.1.2 Storage capacitor
2.1.3 Sensor system
on withdrawable part
mechanism
3.1.1 Magnetic actuator
3.1.2 Opening and closing procedure
3.1.3 Reclosing sequence
3.1.4 Circuit breaker controller
3.1.5 "READY" lamp
3.1.6 Blocking magnet -RL2
withdrawable assemblies
interrupter
3.4.1 Interlocks/protection against
maloperation (for C.B. on
withdrawable part)
3.4.2 Interlocks for VM1-T withdrawable
parts
3.4.3 Interlocks when non-original
withdrawable assemblies are used
part
6.4.1 Manual insertion from the test/
disconnected position into the
service position
6.4.2 Manual withdrawal from the service
position into the test/disconnected
position
6.4.3 Motor-driven movement of the
withdrawable part
6.4.4 Withdrawal from the test/disconnected
position onto the service truck
6.4.5 Insertion from the service truck into
the test/disconnected position
Page
7. Maintenance
3
3 7.1 General
3 7.2 Inspection and functional testing
7.2.1 Circuit breaker in general
3
3 7.2.2 Magnetic actuator operating
mechanism
3
3 7.2.3 Withdrawable part
3 7.3 Servicing
7.3.1 Circuit breaker in general
4
4 7.3.2 Magnetic actuator operating
4 mechanism
7.3.3 Breaker pole
4
4 7.4 Repair
7.4.1 Repair of surface damage
5
7.4.2 Replacement of components
5 7.5 Tests on withdrawable parts with
VM1-T type circuit breakers
6
7.5.1 Motor-driven withdrawable parts
6 7.5.2 Checking the auxiliary switch settings
on withdrawable parts
6
6 7.5.3 Checking the direction of rotation
of the travel motors on motor-driven
6
6 withdrawable parts
7 7.5.4 Checking of interlock conditions
7.6 Spare parts, auxiliary materials, lubricants
7
7.6.1 Spare parts
7 7.6.2 Auxiliary materials and lubricants
8. Application of the X-ray regulations
8 9. Figures
10. Technical data
8
10.1 Technical data, general
10.1.1 Technical data Control electronics
10.1.2 Technical data AC/DC converter
8
10.1.3 Permissible number of vacuum
8 interrupter operating cycles
10.2 Technical data
8 Circuit breakers for fixed installation
10.2.1 Performance data and weights
9
9 10.2.2 Dimensions
9 10.3 Technical data
Circuit breakers on withdrawable part
9
9 10.3.1 Performance data and weights
9 10.3.2 Dimensional drawings
10.3.3 Wiring diagrams for C.B. on
10
11 withdrawable part
11. Comparison of designations to IEC 61346-1 /
11
11 61346-2, IEC 81346-1 / 81346-2 and VDE-DIN
11 40719 Part 2
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