Electricity: single generator systems – Automatic control of generator or driving means – Plural conditions
Patent
1995-06-01
1996-09-10
Stephan, Steven L.
Electricity: single generator systems
Automatic control of generator or driving means
Plural conditions
322 27, 363 21, H02P 900
Patent
active
055549233
ABSTRACT:
A voltage regulator for a DC power generation system which is comprised of a prime mover driven generator producing an AC voltage output which is rectified to a DC voltage output for use by the system senses the AC voltage output and the DC voltage output, and selects the lower of these two for comparison with a voltage reference to produce a voltage error output signal for use in controlling the DC voltage output. The voltage regulator further comprises tuned compensation of the error output signal prior to use in controlling the DC voltage output. The tuned compensation comprises a proportional-integral lead-lag network. The voltage regulator additionally senses the AC current generated by the generator, and adjusts at least one zero location of the compensation network in response thereto to improve stability margins during light loading conditions, and to improve transient performance requirements under heavier loading conditions.
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Defenbaugh John F.
Maddali Vijay
Mansir Hassan
Makeever Jeffery J.
Ponomarenko Nicholas
Stephan Steven L.
Sundstrand Corporation
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