Vacuum switch bulb type change over switch for on-load tap changer
AssigneeFuji Electric Co., Ltd.
InventorsAkira Fukushi, Tomio Yamaguchi
Life of this patent
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Abstract
A vacuum switch bulb type change over switch of the invention is used for an on-load tap changer for changing over from a tap to a tap in an on-load state. The change over switch is formed of a plurality of single phase switch cassettes, and a common controller for the switch cassettes. Each cassette includes a plurality of vacuum switch bulbs and a plurality of coupling devices for the vacuum switch bulbs. The common controller includes a plurality of holding devices for holding the vacuum switch bulbs in an opened or a closed state to thereby hold the taps in predetermined states. The single phase switch cassettes are independently mounted on and coupled with the common controller through the holding device.
Claims10
A vacuum switch bulb type change over switch for an on-load tap changer for changing taps in an on-load state comprising:
- a plurality of single phase switch cassettes, each of the switch cassettes including a plurality of vacuum switch bulbs and a plurality of coupling means connected to said vacuum switch bulbs for actuating the same;
- and
- a common controller for the switch cassettes, said common controller including a plurality of holding means for holding said vacuum switch bulbs in an opened or closed state to thereby hold the taps of the switch, said single phase switch cassettes being independently mounted on and coupled with said common controller through said holding means.
Dependencies are inferred from the claim text.