3
1 Regulations and provisions 4
1.1 Introduction 4
1.2 Terms and symbols used 4
1.3 Use in line with the intended purpose 4
1.4 Applied standards 5
1.5 Safety provisions 6
1.6 Disposal after the end of the useful life 6
2 Technical data, control and
operating devices 7
2.1 Type designation 7
2.2 Control and operating devices 7
2.3 Technical data for electrical control and
operating devices 8
3 Variant overview 10
3.1 Single busbar panel WSA 10
3.2 Double busbar panel WSB 13
4 Insulating gas, monitoring 16
4.1 General data 16
4.2 Pressure gauge 17
4.3 IGIS 17
5 Voltage detection systems 18
5.1 Integrated Voltage Detecting System IVIS 18
5.2 Pluggable voltage detection system 18
5.3 Phase monitors 18
6 Operation 19
6.1 Operator interfaces 19
6.2 Interlocks 20
6.3 Switching (circuit breaker,
disconnector, earthing switch) 23
6.4 Standard switching operations 26
6.5 Earthing the busbar 27
6.6 Bus sectionalizer 28
6.7 Disconnecting the voltage transformer 29
7 Fan attachment 30
8 Cable test 31
9 Servicing 32
9.1 General 32
9.2 Servicing schedule 32
9.3 Lubrication instructions 33
9.4 Max. number of breaking operations for
the vacuum chambers 38
10 Annex 39
10.1 Auxiliary products 39
10.2 Accessories 39
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