随着高压大功率开关器件的出现，基于电力电子技术的动态电能质量调节技术已成为解决上述问题的有效手段。

With the emergence of the high voltage power electronic devices, the technique of dynamic power quality regulation is an effective way to solve the above problems.

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包装内相对湿度调节控制是保证果蔬产品气调保鲜包装质量的重要技术环节。

Adjusting and controlling relative humidity (RH) in packages is crucial to ensuring the quality of modified atmosphere packaging of fresh produce.

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统一电能质量控制器(UPQC)是用户电力技术中的新兴装置，它能统一实现多重电能质量调节功能。

Unified power quality controller (UPQC) is a new device for custom power. It can provide multiple power quality regulation functions.

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