Medium voltage switching device

Details Medium voltage switching device Medium voltage switching device

2005-06-28

2005-06-28

Lee, K. (Department: 2832)

Electricity: circuit makers and breakers

High-potential type

Rotating and pivoted

C200S05200R, C335S179000, C335S229000, C335S234000, C400S248000

Reexamination Certificate

active

06911610

ABSTRACT:
A medium voltage switching device includes an electromagnetic actuation chain and a power supply which provides electric power to the electromagnetic actuation chain. The power supply includes at least a first power supply device which is electrically connected to a medium voltage power distribution line, so as to drain electric power directly from the distribution line, and a second circuit configured to store at least the electric energy drained from the medium voltage power distribution line, and to thereby provide the electromagnetic actuation chain with electric power.

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patent: 0944149 (2000-03-01), None

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