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エアコン用圧縮機制御技術として，特に高回転域の拡大に効果を発揮する「電圧／電流位相差制御による正弦波駆動技術」と特に低回転時の振動低減に効果を発揮する「モータトルク制御による矩形波駆動技術」の異なる二つの駆動技術を開発し，それらを運転条件により切り換えることで，省エネ・静音化・低振動化・運転範囲の拡大など様々な要望を実現した。ここでは，これらのエアコン用圧縮機制御の高性能化技術と実験結果，省エネ効果などについて説明する。
We have developed two different driving technologies of a compressor control for the air conditioner. The first technology is“Sine wave drive technology by voltage/current phase difference control”that achieves the effect when compressor is driven at high-speed. The second technology is“Rectangular wave drive technology by motor torque control”that achieves the effect when compressor is driven at low-speed. We have achieved various demands such as the energy saving, the noise reduction, the vibration reduction and the operating range expansion by using these two driving technologies. In this paper, we explain the improvement of the compressor control for the air conditioner, the experimental result and the effect of the energy saving.
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