The harmonic and reactive power becomes the major factors which influence the quality of electrical energy.
谐波和无功成为影响电能质量的主要因素。
To enhance the quality of electrical energy, first of all the testing and analysis of electrical parameters must be accurate and complete.
因此为了提高电能质量，首先必须能准确、完整的对电力参数进行检测和分析。
The fine excitation control system may not only guarantee the generator operation safely and provide the quality of electrical energy, but also effectively enhance the performance index of the system.
优良的励磁控制系统不仅可以提供合格的电能，保证发电机可靠运行，而且还可有效地提高系统的技术指标。
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