Inverter generator

H - Electricity – 02 – M

Patent

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Details

H02M 5/42 (2006.01) F02P 9/00 (2006.01) H02K 7/18 (2006.01)

Patent

CA 2672820

In an inverter generator having an engine generator having a generator unit, a converter that converts generated alternating current to direct current, an inverter that converts the direct current to alternating current with switching elements to supply to an electrical load, an inverter driver that drives the switching elements with a PWM signal using a reference sine wave of a desired output voltage waveform and a carrier at every control cycle (step) determined by a carrier frequency and makes the alternating current of a predetermined frequency, the inverter driver varies the carrier frequency in accordance with inclination of the reference sine wave, more specifically decreases the carrier frequency as decreasing inclination of the reference sine wave.

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