AC exciter for VSCF starter/generator
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United States of America Patent
Stats
-
Mar 17, 1992
Grant Date -
N/A
app pub date -
Nov 27, 1989
filing date -
Nov 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The problem of providing field power to a stationary main generator field winding (22) is addressed such that it can be used as a motor. A dynamoelectric machine (12) is operated as both a generator and a motor. An AC-AC exciter (14) is controlled by an exciter inverter (42) to operate as an exciter generator in a generate mode, and as a rotary transformer in a start mode. The exciter inverter (42) supplies low frequency power to an exciter field winding (28) in a generate mode of operation, and supplies high frequency AC power to the generator field winding (28) in the start mode of operation.
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