Screened medium-voltage substation
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United States of America Patent
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-
Feb 3, 1998
Grant Date -
N/A
app pub date -
Oct 24, 1996
filing date -
Oct 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medium-voltage substation includes at least two insulative material chambers each provided with at least one opening for the gas-tight passage of a set of three-phase busbars. Each chamber contains a three-position three-phase switch for connecting the busbars to first gas-tight electrical feed-throughs and for connecting the first feed-throughs to second gas-tight feed-throughs connected to ground. The first feed-throughs of at least one chamber are each electrically connected to a single-phase cable. The first feed-throughs of each chamber are electrically connected either to a fuse or to a pole of a circuit-breaker disposed in an insulative material compartment.
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