Method of fault line selection based on zero sequence power;
零序功率选线方法的研究
On the basis of analyzing the problems existed in the existing leakage protective equipment,the selective leakage protective system for mine low-voltage electric network taking DSP processor as core and based on zero sequence power direction is presented in this paper.
在分析现有漏电保护装置存在问题的基础上,提出一种以DSP处理器为核心的基于零序功率方向的矿井低压电网选择性漏电保护系统,并重点讨论了该系统的工作原理、硬件结构、软件设计。
On connection correctness of directional zero-sequence power protection of power transformer;
变压器零序功率方向保护接线的正确性分析
Research on inverse time current relay based on the absolute value of zero-sequence power
采用零序功率绝对值构成反时限零序电流保护的方案探讨
Study on Transformer Microprocessor Protection Based on Positive Sequence Active Power Difference;
基于正序有功功率差涌流判据的变压器微机保护的研究
Research on Transformer Differential Protection Base on Positive Sequence Active Power;
基于正序有功功率的变压器纵差保护的研究
Is there any reactive power error control in AVR?
自动调压器有无功功率误差控制吗?
The power factor (pf) is the ratio of average power to apparent power.
功率因数是有功功率与视在功率之比。
Analysis of Synthetic Error in Measurement of RMS and Active Power
有效值及有功功率测量的综合误差分析
arbitray phase angle power relay
有功无功功率继电器
arbitrary phase-angle power relay
有功-无功功率继电器
A Supplement and Correction About Reactive Power of the Electrotechnics Textbooks;
对电工学教材中有关无功功率的一个补正
Harmonic Power Measurement Based on Multi-CPU and a Phase Difference Correction Algorithm
基于多CPU与相位差校正的高精度谐波功率测量
Design of Isolated APFC Circuit;
隔离型有源功率因数校正电路的设计
Research on Active Power Factor Circuit;
有源功率因素校正APFC电路的研究
Research and Application of Active Power Factor Correct Technology
有源功率因数校正技术的研究与应用
Design of Active Power Factor Correction Circuit Based on UC3854 Controller
基于UC3854有源功率因数校正电路的设计
Analysis of Non-sinusoidal Reactive Power Algorithm and Reactive Power Compensation
非正弦无功功率算法与无功补偿研究
automatic distributor of active power
有功功率自动分配装置
thermal demand meter
温差式最大用电功率计
Without any experimental data,it is hard to see whether these differences really can boost the success rate.
在没有任何实验数据的情况下,很难证明这些差异真正能提高成功率。
Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.
功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
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