Table Of Contents - ABB VD4 Instruction Manual

Contents
1 Summary
1.1 General
1.2 Standards and specifications
1.2.1 Switchgear manufacture
1.2.2 Installation and operation
1.3 Operating conditions
1.3.1 Normal operating conditions
1.3.2 Special operating conditions
2 Technical data
2.1 Technical data
Circuit-breakers for fixed installation
and on withdrawable part
2.2 Technical data
Releases and blocking magne
2.3 Technical data
Motor-operated mechanisms
2.4 Permissible number of vacuum interrupter
switching operations in relation to breaking
current
2.5 Dimensions
3 Structure and function
3.1 Structure of the breaker poles
3.2 Structure of the breaker operating mechanism
3.2.1 Releases, blocking magnet and auxiliary switches 13
3.3 Function
3.3.1 Charging of the spring energy store
3.3.2 Closing procedure
3.3.3 Opening procedure
3.3.4 Autoreclosing sequence
3.3.5 Quenching principle of the vacuum interrupter
4 Dispatch and storage
4 Contents | VD4 Vacuum Circuit-breaker
5 4.1 Condition on delivery
5 4.2 Packaging
5 4.3 Transport
5 4.4 Delivery
5 4.5 Intermediate storage
5
5 5 Installation
5
6 Commissioning/Operation
6 6.1 Note on safety at work
6 6.2 Preparatory activities
6.3 Operation of the circuit-breaker
6.3.1 Charging the spring energy storage mechanism
7 Circuit-breakers with charging motors
6.3.2 Closing and opening
7 6.3.3 Operating sequence
8 7 Maintenance
7.1 General
7.2 Inspection and functional testing
9 7.2.1 Switching devices in general
7.2.2 Stored-energy spring mechanism
13 7.2.3 Checking auxiliary switch settings on
13 withdrawable part
13 7.2.4 Testing of interlock conditions
7.2.5 Breaker pole
14 7.3 Servicing
14 7.3.1 Switching devices in general
14 7.3.2 Stored-energy spring mechanism
14 7.3.3 Breaker pole
14 7.4 Repair
14 7.5 Spare parts and auxiliary materials
18 8 Application of the X-ray regulations
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