APPAR ATUS CO NTRO L TESTING
INTERLOCKS BETWEEN PANELS
1VLG5000 17 C
45
The Busbar earthing switch / truck blocking logic operates bi-directionally and therefore re-
quire two tests:
–
Busbar earthing switch / truck interlock
–
Circuit breaker trucks interlock
Busbar earthing switch / truck interlock
Figure 65: Logic scheme of the busbar earthing truck interlock
Figure 66: Logic scheme of the busbar earthing switch interlock
Summary of Contents for UniGear Digital
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