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Omicron CIBANO 500 PTM - Gas Insulated Switchgears

Omicron CIBANO 500 PTM
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OMICRON 215
Off-service diagnostic methods
If there is a longer distance between the location of CIBANO 500 and the dangerous area (that is, the
test object), a second person with an additional Emergency Stop button is required.
17.3.2 Gas insulated switchgears
In order to do safe maintenance work, grounding switches are commonly incorporated into gas insulated
switchgears (GIS). They connect the conductor to ground and prevent any parts to be charged with high
voltages as result of capacitive coupling.
Figure 17-33: Single-line diagram of a GIS with enough grounding switches – safe and comfortable
solution for circuit breaker maintenance
WARNING
Death or severe injury caused by high voltage or current possible
Never use the CIBANO 500 test set without a solid connection to ground.
Ground CIBANO 500 with a cable of at least 6 mm
2
cross-section as close as possible to the
operator.
Busbar 1
Busbar 2
Disconnector Disconnector
Grounding switch
Grounding switchDisconnector
Circuit breaker
Grounding switch

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