提出了采用MCS—51单片机对供电系统的功率因数进行自动补偿的原理与方法。
The principle and method of compensating automatically the power factor of a power supply system with MCS 51 one chip microcomputers are presented.
镀铁过程的自动控制是通过其关键设备——供电系统来实现的，本文对此做了详尽的叙述。
The automatic control in iron - plating process is got by the key equipment-the power supply system, this paper will give a detailed explanation for it.
并阐述了如何利用该仪器实现供电系统谐波的自动测量，实践证明，U900F便携式电能质量分析仪的应用不但简化了谐波测量，同时也提高了测量精度。
Meanwhile, how to use this device to measure power system harmonic is discussed also. Using U900F Instrument can improve the precision of measure and make the measure fairly simple.
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