本文针对三相不平衡负载特点，介绍了无功功率补偿原理和单板机控制系统。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
电力系统无功功率补偿不足会引起功率因数下降，而三相功率不平衡则会影响到用电设备的安全。
The power factor of power system will be decreased by under-compensation of reactive power and it is harmful for the devices of customers while the power in the three phases are unbalanced.
本文研究和给出电气量测量交流采样的算法，着重研究三相不平衡及波形畸变工况下无功功率的测量算法。
This paper introduces the AC sampling arithmetic and emphasizes the study of measurement arithmetic under the unbalanced and distorted condition.
在此基础上研究了电能质量监测理论，详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
同时本文对电能质量的有关指标：电压偏差、频率偏差、各种功率、谐波含量、电压波动和三相不平衡的计算和检测方法，进行了详尽地阐述。
And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.
同时本文对电能质量的有关指标：电压偏差、频率偏差、各种功率、谐波含量、电压波动和三相不平衡的计算和检测方法，进行了详尽地阐述。
And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.
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