Patent ID: 6541876
Filing Date: 2003-04-01
Classification: F02D,H02P

Abstract:
An engine operated generator having a converter composed of a semiconductor rectifying element for rectifying the output current of a generator driven by an engine and an inverter for converting a direct current received from the converter into an alternating current at a desired frequency, comprising:a semiconductor rectifying element driving circuit for controlling the conduction rate of the semiconductor rectifying element to adjust the output voltage of the converter to a target level; a conduction rate detecting means for detecting the conduction rate of the semiconductor rectifying element; an engine revolution controlling means for controlling the number of revolutions of the engine so that the conduction rate detected by the conduction rate detecting means is converged at a target rate providing for generating the output voltage corresponding to the target level; a means for detecting the throttle opening of the engine; and a modifying means for decreasing the target rate when the throttle opening exceeds a predetermined degree for increasing a target revolution of the engine corresponding to the target rate.