Hybrid electrical power generator and battery charging system
AssigneeNishati, Inc..
InventorsRobert J. CHARETTE, Richard A. SCHILKE, Travis P. KELLEY
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Abstract
A power generating system comprising an electrical generating set and a modulator configured to maintain optimal voltage regulation under varying load conditions. The system includes a controllable current power source; an active rectifier coupled to the controllable current power source, configured to rectify an output of the controllable current power source to supply utility-grade power or for recharge of a battery or batteries. A controller is configured to adjust at least one of the parameters of the controllable current power source and/or supply from the generator and a parameter of the active rectifier in response to a target output.
Claims28
A generator set system, comprising:
- an engine coupled with an alternator;
- a variable voltage regulator coupled to the alternator supplying output power with a voltage output;
- and
- a control system connected to the variable voltage regulator, said control system configured to monitor and respond to deviations in a power demand, whereby when the power demand deviates from a threshold level, the control system signals the variable voltage regulator to modulate the voltage output from the alternator.
A generator set system, comprising:
- an engine coupled with an alternator;
- a variable voltage regulator coupled to the alternator;
- and
- a control system connected to the variable voltage regulator, configured to monitor and respond to deviations in power demand and deviations in engine revolutions per minute, whereby when power demand deviates from a threshold level, the control system signals the variable voltage regulator to modulate the voltage output from the alternator, and whereby when the control system detects deviations in engine revolutions per minute, outside of a preset range, the control system being configured to signal the engine to pulse export voltage in a cyclic pattern.
A method for preventing engine stall in a generator set the method comprising:
- coupling an engine to an alternator;
- coupling an alternator to a variable voltage regulator;
- and
- programming the variable voltage regulator with a control system that is configured to monitor and respond to deviations in power demand and deviations in engine revolutions per minute, whereby when power demand deviates from a threshold level, the control system signals the variable voltage regulator to modulate the voltage output from the alternator, and whereby when the control system detects deviations in engine revolutions per minute, outside of a preset range, the control system being configured to signal the engine to disconnect and reconnect export power in a cyclic pattern.
Dependencies are inferred from the claim text.