Adopting the reactive circuit of twice harmonic to process the sensor signal, the system is closed loop.
对传感器信号处理采用的二次谐波反馈电路,电路为闭环系统。
Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric power System.
非正弦电路的无功测量是当前电力测量研究的热点。
Main circuit configuration and integrated voltage-reactive power control scheme for balancing compensation with cascade inverters based STATCOM is proposed.
给出了采用链式STATCOM实现平衡化补偿的主电路结构及电压-无功综合控制方法。
A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.
提出了一种新的单相电路的谐波和无功电流实时检测方法。
It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.
该控制器采用数字检测电路来获取电网电压与电流的相位差,从无功补偿的原理出发,设计控制器的软硬件。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
Then the definitions of average and instantaneous reactive power based on Hilbert transforrnation for non-sinusoidal circuit are presented.
非正弦电路无功功率及瞬时无功功率尚无统一的定义。
This method meets all the circuit laws, and makes all the network loss allocated to all consumers and generators, and takes into account the interactions between active and reactive powers.
这种方法满足电路定律、计及了有功和无功潮流的交叉耦合,使所有电源和负荷都参与损耗分摊。
The measuring circuit can achieve real-time reactive power to be compensated by using hardware operations, such as multiplication and summation.
检测电路通过硬件实现乘法和加法运算,得到实时补偿的无功功率大小。
Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.
提出了采用单相statcom实现平衡化补偿的两种主电路结构及电压无功综合控制方法。
This paper simply described several algorithms of reactive power, and investigated reactive power theory of the non-sinusoidal electric circuit and its algorithm of measurement.
简述了几种常用的无功功率测量算法,对非正弦电路无功功率理论及其无功功率测量算法进行了研究。
The starting circuit will be removed by a contactor and the capacitor will be converted to a reactive compensation capacitor after starting.
启动完成后利用接触器将启动电路切除,将电容器切换为无功补偿电容的低压开关柜的设计原理。
The configuration program of incoming loop, bus coupler circuit, feeder circuit, motor circuit, reactive power compensation and the control power in switchgear was described.
阐述了开关柜中受电回路、母联回路、馈电回路、电动机回路、无功补偿和控制电源的配置方案。
A detection approach of harmonics and reactive currents based on the integrated vector in 3 - phase circuit is proposed, which has the advantage of brief arithmetic and wide applications.
从三相电路的综合矢量出发,提出了一种适用性广、算法简单的谐波及无功电流检测方法。
The high-reactive mode of intensify EAF , is chief circuit frame of only economically advisable, which is preached to carry out, so far.
前言:强化电弧炉的“高阻抗”模式,是至今被倡导实现“超高功率化”唯一经济合理的主电路供电结构。
It measures excess phase of voltage and current by using digital circuit, Based on the reactive compensation theorem, the software and hardware of the controller is deigned.
该节制器采用数字检测电路来获取电网电压与电流的相位差,年夜无功抵偿的事理出发,设计节制器的软硬件。
The important parts of the TSC are the dynamic reactive power compensation controller and the thyristor trigger circuit.
TSC的核心技术是动态无功补偿控制器和晶闸管过零触发模块。
The important parts of the TSC are the dynamic reactive power compensation controller and the thyristor trigger circuit.
TSC的核心技术是动态无功补偿控制器和晶闸管过零触发模块。
应用推荐