专利汇可以提供Engine generator专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve responsibility and stability of a constant-voltage control circuit by causing said control circuit to perform a continuity angle control according to a change of generator output voltage of each thyristor in a rectifying bridge circuit of the constant-voltage control circuit.
CONSTITUTION: An engine generator full wave-rectifies a three-phase output eu-ew of an engine-driven AC generator 1 by means of a three-phase rectifying bridge circuit 2 and gives said output to a bridge-type inverter circuit 3 via a smoothing capacitor C. Also, a single-phase output eA is rectified by a rectifier circuit 4 and an oscillating circuit 6 is driven by a DC voltage made constant by a constant-voltage circuit 5. According to respective commutation command signals Cp, Cn by its frequency, said engine generator operates an inverter circuit 3 via an inverter control circuit 7. A thyristor bridge circuit is used as a rectifying bridge circuit 2 and a constant-voltage control circuit 8 and an inverter output voltage detection circuit 9 are provided in this engine generator. In this manner, a continuity angle of each thyristor is controlled by a constant-voltage control circuit 8 to give an always stable voltage to the inverter circuit 3.
COPYRIGHT: (C)1987,JPO&Japio,下面是Engine generator专利的具体信息内容。
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