The fifth chapters recommended the follow-up work of harmonic project -the development of active power filter and the research of electric power management based on the techniques of network.
第五章简要介绍了谐波课题的后续研究工作——综合有源滤波系统的开发以及基于网络技术管理的电力系统的研究。
With rapid development of electric power and electron technique, nonlinear equipments are applied in power drawing system widely, which will cause harmonic harm question inevitably.
随着电力电子技术的飞速发展，非线性装置被广泛应用于电力牵引系统，这就不可避免地引发了谐波危害问题。
With the rapid development of power electronics, the problem of power system harmonic pollution becomes more and more serious.
随着电力电子技术的飞速发展，电力系统中的谐波污染问题日趋严重。
Compare with the traditional compensation method towards the harmonic and reactive power, APF has a huge technological superiority and good prospects for development.
和传统的谐波和无功补偿方法相比，有源滤波器有巨大的技术优势和良好的发展前景。
At last introduce the harmonic wave gear transmission's usage in military and civil field. Also introduce its development trend in the future and some problems which need to be studied and resolved.
最后介绍了谐波齿轮传动在军事和民用领域的应用情况和谐波齿轮传动未来的发展趋势及亟待研究解决的问题。
In this paper the development of power line harmonic analyzer based on ind us-trial PC is introduced, and the working principle and design method are given.
介绍了以工业控制计算机为核心的电能质量分析仪，阐述了仪器的工作原理和设计要点。
With the development of industrial technology, great importance has been put on high speed, heavy bearing and better accuracy in harmonic drives.
但在高速、重载与高精度性能要求的情况下，有必要对其动态性能作进一步的研究。
With the development of industrial technology, great importance has been put on high speed, heavy bearing and better accuracy in harmonic drives.
但在高速、重载与高精度性能要求的情况下，有必要对其动态性能作进一步的研究。
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