Multiphase switching system and generator arrangement having suc

Details Multiphase switching system and generator arrangement having suc Multiphase switching system and generator arrangement having suc

1993-04-05

1994-08-02

Hickey, R. J.

Electricity: single generator systems

Miscellaneous

307 87, 322 90, H02B 100, H02J 300

Patent

active

053349270

ABSTRACT:
In the case of the multiphase switching system (1), each (for example L.sub.3) of the phase conductors is arranged in the course of a generator output line (2), which is arranged between a generator (7) and a network transformer (8), together with a switching apparatus, in encapsulation (5) which is insulated by air gaps, in a manner isolated from the other phase conductors.
The switching system is intended to allow virtually all the switching, protection, and measurement functions occurring in a generator arrangement to be executed despite a compact and space-saving construction.
This is achieved by the switching apparatus (three-position interrupter switch 10) having at least two switching positions. A first of these two switching positions is arranged between the generator (7) and an output of the switching system (1) which acts on the network transformer (8). A second of these two switching positions is in contrast located between the generator (7) and a current connection (20) of a starting device (21) which is located outside the encapsulation (for example 5) and acts on the generator (7) when the first switching position is open and the second switching position is closed.
In the case of a generator arrangement which is equipped with such a switching system (1) a load interrupter switch or interrupter switch, which is used for the current connection of the starting device (21) to the generator (7), can be saved.

REFERENCES:
patent: 4761563 (1988-08-01), Ross et al.

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