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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsMotohiro Shimizu, Masashi Nakamura
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An inverter 3 is controlled by feeding back an output voltage waveform for stabilizing the output and circuitry simplification. The output waveform of an inverter 3 is supplied to a CPU 5 to generate a correction of the reference sine waveform signal RS which is then used for producing a desired form of PWM signal. The output waveform is A/D converted by a converter 18 which comprises two modules 19 and 20 before transferred to a processor 50. The output waveform is received by two channels of each of the modules 19 and 20. As the input channels are sampled in a sequence, their waveforms are A/D converted at intervals of a time in each sampling period and can thus be improved in the resolution of A/D conversion. Since the modules 19 and 20 are operated at different timings lagged slightly from each other, the resolution can be increased.
An inverter apparatus having a direct current source circuit for converting an alternating current output of a generator into a direct current, a switching device for switching to control the direct current, a modulating means for pulse width modulating a reference sine wave signal at a predetermined frequency to produce a PWM signal, and a switching control circuit responsive to the PWM signal for driving the switching device to provide the alternating current through a pair of output lines, said inverter apparatus comprising:
Dependencies are inferred from the claim text.