Plug and switch system (PASS) Hybrid switchgear
- All functions of a bay combined in a single module - Operating and interrupting functions in SF6 gas for utmost reliability and safety - Compact and easy to install - Efficient use of available space - Flexible substation layouts - Prefabricated and pre-assembled bays minimise installation time - Reduced footprint as compared to AIS, lessens civil work
The concept For many existing substations that have outlived their operational life, a one-to-one replacement of conventional AIS components like circuit breakers and disconnectors is not econo
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