Electricity: single generator systems – Generator control – With armature or primary circuit control
Patent
1998-11-13
2000-09-26
Ponomarenko, Nicholas
Electricity: single generator systems
Generator control
With armature or primary circuit control
322 46, 322 29, 322 32, 290 40C, H02P 930
Patent
active
061247022
ABSTRACT:
Electrical machine cycloconverter devices are provided that produce output signals in which the frequency, amplitude and phase are independent of rotor speed. The cycloconverters produce highly efficient increased output by providing multi-tap armatures that include multiple armature coils arranged such that at least two coils may be connected in series to an electrical load. Such configurations produce output signals that include multiple distinct voltage amplitude steps. In preferred embodiments, either rotating permanent magnets or field coils in conjunction with rotating steel teeth induce a voltage in the armature coils. The level of induced voltage is determined by the switching sequence of one or more armature coils that are switched ON and OFF in series, parallel, or series and parallel by semiconductor switches. The cycloconverters may be combined with additional components, such as a reciprocating engine and a connection to utility power, to provide a continuous power system, or they may be coupled to an external source of AC power instead of an electrical load and operated as a motor.
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Clifton David B.
Pinkerton Joseph F.
Active Power Inc.
Morris Robert W.
Ponomarenko Nicholas
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