4
5
Contents
Page
1
Summary
5
1.1 General
5
1.2 Standards and specifications
5
1.2.1 Switchgear manufacture
5
1.2.2 Installation and operation
5
1.3 Operating conditions
5
1.3.1 Normal operating conditions
5
1.3.2 Special operating conditions
5
2
Technical data
6
3
Circuit-breaker on withdrawable part
8
3.1 Basic structure
8
3.2 Interlocks / protection against
maloperation
8
3.2.1 VD4 circuit-breaker run-on block
8
3.2.2 Basic equipment
9
3.2.3 Mounting of the VD4 on trucks from
9
other manufacturer
4
Operation of the switchgear
11
4.1 Commissioning
11
4.1.1 Preparatory work
11
4.1.2 Start-up
11
4.2 Switching operations
11
4.2.1 Withdrawable circuit-breaker part
11
4.2.2 Circuit-breaker
13
Contents
Page
5
Maintenance
15
5.1 General
15
5.2 Inspection and functional testing
15
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 circuit-breaker
17
5.5.1 Motor-operated withdrawable parts
17
5.5.2 Checking the correctness of dimensional
settings
17
5.5.3 Checking auxiliary switch settings
on type A withdrawable parts
17
5.5.4 Checking auxiliary switch settings
on type B withdrawable parts
18
5.5.5 Checking the direction of rotation
of the travel motors on motor-operated
withdrawable parts
18
5.5.6 Testing of interlock conditions
18
5.6 Spare parts, auxiliary materials,
lubricants
19
5.6.1 Spare parts
19
5.6.2 Auxiliary materials and lubricants
21
5.7
Wiring diagrams
24
We reserve all rights to this publication. Misuse, particularly including duplication and making available of this manual –
or extracts – to third parties is prohibited. The information supplied is without liability. Subject to alteration.
©
ABB AG, 2012
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Summary of Contents for VD4 Series
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