The Harmonic Interference and Its control in CNC Lathes;
数控车床中的谐波干扰及其抑制
Application of DSP in the Electric Power Harmonic Analysis;
数字信号处理器在电力谐波分析中的应用
Dynamic Reactive Compensation and Harmonic Filter System for SVC;
SVC动态无功补偿和谐波滤波系统
Analysis and harness of harmonic wave of silicon rectification units;
硅整流装置的谐波分析与治理
Wiring method of rectifying station and harmonic wave abatement;
整流站接线方式及谐波治理
A study on the design method of suppression of harmonic wave;
谐波抑制的设计方法探讨
Study on the harmonics situation of non-linear load customer (small steel factory);
非线性客户(小钢厂)谐波工询研究
Harmonics in the Main Circuit of a Controllable Saturated Reactor;
可控饱和电抗器主回路谐波问题
Simulation and analysis of AC side current harmonics of SRM system;
开关磁阻电动机交流电源侧电流谐波仿真分析
It is difficult that analysis of harmonic waves of the magnetic motive force of non-normal winding is carried out.
为解决定子绕组采用非正规排列的电机的谐波分析难题,以单个线圈为基础,对定子采用非正规排列的异步机的绕组谐波进行分析,推导出每相绕组谐波的分布系数、绕组系数的计算公式,进而导出绕组谐波的三相综合分布系数和三相合成磁动势等相关参数的表达式,并通过计算机辅助设计系统给出非正规异步电机的谐波分析结果和转矩-转差率曲线。
Through the harmonic waves test and data analysis of 110 kV/35 kV Positive and vice-generatrix,110 kv first and second generatrixs,main transformers and offtracks in these substations,the measurement and computation methods are presented.
通过对江苏武进地区某110 kV变电站35 kV正副母线,10 kV一、二段母线及主变压器和出线进行谐波测试及数据分析,介绍了测试方法和计算方法,取得一定的现场经验和数据分析能力,解决了谐波测试中存在的一些问题。
To process sampling data with a recursion sum algorithm decreases the interference of harmonic waves in DC signal measurement.
介绍了递推求和算法抑制谐波干扰的机理 ,分析了运算量 ,给出了算法的实现公式和程序运行结束的判断规则。
Research on causes of harmonic current magnification and its restraining measures for reactive power compensation device with shunt capacitors in low voltage distribution network;
低压配电网并联电容基波无功补偿装置的谐波放大及其抑制措施
It is introduced that harmonic current in the electric network and harmonic current detecting method based on instantaneous reactive power theory in the paper,and then it presents the current detecting method in the anisomerous mains voltage,aberrance circuit based on instantaneous reactive power theory.
通过对电网谐波和瞬时无功功率理论在谐波检测中应用的分析研究,作者给出了基于瞬时无功功率理论的检测方法在电网电压不对称、存在畸变时的电流检测方法。
A novel detective principle and method for currents of power network are developed, in which the distortion of the voltage and the phase angle of fundamental voltage are considered and the fundamental active, reactive current and any term harmonic current can be effectively detected only by measuring single phase voltage and current.
本文发展了一种电网电流的检测方法,在考虑电网电压畸变和基波电压初始相角的情况下,只需通过检测一相线路的电流、电压,就能有效地检测出电网基波有功、无功电流和任意次数的谐波电流,适用于电网无功功率补偿、谐波的补偿以及故障诊断和保