| 摘要 |
This invention provides a power conversion apparatus capable of improving the power factor of the power supply and making the harmonic component of the power supply match or very closer to the IEC standard, and an air conditioner using the same. The power conversion apparatus includes a conversion section for rectifying and smoothing an AC voltage supplied from an AC power supply and converting the AC voltage into a DC voltage, an inversion section for converting the DC voltage prepared by conversion into an AC voltage and supplying the AC voltage to a load, a reactor series-connected to the power supply side of the conversion section, a booster for forcibly short-circuiting the AC power supply via the reactor, and a controller for setting the short-circuiting conduction time by the booster so as to optimize the power factor of the AC power supply in accordance with any one or a plurality of differences between the voltage of the AC power supply, the inductance of the reactor, the circuit arrangement of the conversion section, and an input power. The air conditioner drives a compressor for forming a refrigeration cycle using the power conversion apparatus.
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