Electricity: electrical systems and devices – Safety and protection of systems and devices – Capacitor protection
Patent
1990-06-21
1992-03-31
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Capacitor protection
361 17, H02H 716
Patent
active
051013142
ABSTRACT:
In the protection system for a capacitor bank, a resistor is connected in series between a connection cable for connecting capacitor unit groups in parallel with one another and a short-circuit device provided for each capacitor unit group, by which a first short-circuit current flowing into a damaged capacitor unit from the other capacitor unit groups in a case of a short-circuit fault in the capacitor unit can be reduced and bypassed in safety, and, consequently, secondary accidents such as a fire followed by the short-circuit fault in the capacity unit can be prevented effectively.
REFERENCES:
patent: 3652929 (1972-03-01), Cushman
Jackson S.
Mitsubishi Denki & Kabushiki Kaisha
Pellinen A. D.
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