Reactive compensation important – long HV cables produce tens of MVAr.
电网运营商的要求是很重要的。
This article introduces the analysis of reactive compensation with MATLAB6.5.
本篇介绍运用MATLAB6.5进行电力系统无功补偿分析。
This design can use FFT algorithm to estimate power quality and expand reactive compensation in addition.
本设计可以采用FFT算法来判断电能质量,可外加扩展无功补偿。
Shunt capacitor banks are now widely applied for reactive compensation in power system as a reactive source.
并联电容器组作为一种无功电源被广泛应用于电网的无功补偿。
With the continuous expansion of the scale of power grids, it need more and more reactive compensation devices.
随着电网规模的不断扩大,需要越来越多的无功补偿装置。
In the transformer substation install compensation capacitors, it is mostly form of reactive compensation nonce.
在变电所内加装电容器,是当前无功补偿的主要形式。
It discusses the advantage and disadvantage of the reactive compensation mode of ferromanganese-silicon furnace.
论述了锰硅电炉无功补偿方式的优缺点,开发了锰硅电炉低压无功补偿集散控制系统。
The application of reactive compensation device in power supply lines in the on-pole transformer is a new subject.
供电线路中的无功补偿装置,在杆上变压器上的应用是个新课题。
Capacitor group is switched through accuracy calculation to form closed-loop management system of reactive compensation.
发、供、配电网投切电容器组应通过精确计算,形成无功补偿的闭环管理系统。
On the basis, we discuss the hardware and software design of power system active power filter and reactive compensation.
在此基础上,讨论了电力系统有源滤波和无功补偿装置的硬件设计及软件开发。
The low voltage reactive compensation collector-distributor control system in ferromanganese-silicon furnace is developed.
论述了锰硅电炉无功补偿方式的优缺点,开发了锰硅电炉低压无功补偿集散控制系统。
Generally stated the important of rural use electric network reactive compensation and the way and principle of compensation.
简述农用电网无功补偿的重要性,补偿方式及其原则。
Reactive compensation and reactive equilibrium of electrical system are the basic conditions for guaranteeing voltage quality.
电力系统的无功补偿与无功平衡是保证电压质量的基本条件。
A simple and convenient algorithm for calculating reactive compensation capacity in distribution network was presented in this paper.
同时提出了一种确定配电网络无功补偿容量的简便算法。
The benefit analysis on reducing loss and saving electricity by reactive compensation is discussed, with its concerning formula derived.
探讨了无功降损节电的效益分析方法并推导出公式,实践证明对电网进行无功补偿降损节电切实可行,效益显。
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 principle of magnetic valve type controlled reactor is introduced. based on a example, its applicable effect in reactive compensation is discussed.
摘要简要介绍了磁阀式可控电抗器的基本工作原理,并通过实例说明了其在无功补偿中的应用效果。
Presents a new approach for limiting harmonic and improves the reactive compensation using LC filter in power system. The simulation experiments valid…
针对矿井配电系统的特点,设计了适合矿井电网的LC滤波装置,通过仿真实验说明滤波器对电网频率波动具有较好的适应性。
Based on the character of open style power network, the least operation expense function of reactive compensation mode is constituted by restricted fund.
根据开式网络的特点,在资金有限的情况下,构造以年支出费用最小为目标函数的无功补偿优化模型。
Through calculations on the data of the Grid in the summer of 2004, the problem buses are located, and the relevant reactive compensation capacity is confirmed.
通过对2004年夏季华东电网数据的计算给出了弱母线位置以及相应的无功补偿容量。
Reactive compensation is an important way which maintains the reactive power balance of the electric power system, reduces the loss and increases supply quality.
无功补偿是保持电力系统无功功率平衡、降低损耗、提高供电质量的一种重要手段。
It is found that the thermal reactive compensation for motor is a thoroughgoing measure featuring high benefit, fast effect as well as simple and easy operation.
提出电动机终端无功补偿是一项补偿最彻底、效益高、收效快、简便易行的节电措施。
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。
Through comparison of several capacity compensation modes, it was drawn that the in-situ reactive compensation is the right capacity compensation mode for coal mines.
通过对几种电容补偿方式的比较,得出无功就地补偿是较适合煤矿的电容补偿方式;
But owing to the complexity of power transmission systems, it is hard to determine the optimum capacity and economic benefit on adding devices for reactive compensation.
但都由于输电系统的复杂性,而不能确定增设无功补偿装置的最佳容量和经济效益。
The unified power quality conditioner (UPQC) is a kind of novel harmonic and reactive compensation equipment by combining the series active filter and shunt active filter.
统一电能质量调节器(UPQC)是结合串联有源滤波器和并联有源滤波器的一种新型谐波和无功补偿装置。
The power factor for the railway substation of the electrified railway is low and can not meet the conditions of severe tractive load to reactive compensation requirements.
针对电气化铁路变电所功率因数低,不能满足剧烈变化的牵引负荷对无功补偿要求的现状。
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。
Based on Zhejiang province electricity market, the paper proposes the pricing model of reactive compensation, and derivate the spot pricing of reactive power in math at last.
本文最后基于浙江电力市场提出了无功补偿定价模型,并对无功实时电价方法进行了数学推理。
At the present time, the research on SVG is mainly focus on the reactive compensation of power transmission system, and the control method is based on indirect-current control.
但是目前针对静止无功发生器的研究主要集中在输电系统无功补偿,且控制方法基于间接电流控制。
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