Power conversion equipment

Details Power conversion equipment Power conversion equipment

H - Electricity

02

J

321/22

H02J 3/36 (2006.01) H02M 7/757 (2006.01)

Patent

CA 1191891

- 12 - Abstract of the Disclosure In the frequency control mode, a switch is ON. A power difference is fed back to an adder through a limiter and is compared with an output from a power setter. A difference signal from the adder is supplied to an adder to obtain a difference with detected power. By the feedback loop, the preset power is set to be substantially equal to the detected power. While the difference is greater than a predetermined value, an output from a level detector is at logic level "0". Even if a mode switch instruction is received in this state, an AND gate does not produce an output signal and the mode changing is not performed.

418566

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