许多大容量电容器组根据系统对无功容量需要的变化新投切。
Many large capacitor Banks are switched on and off as the system need for reactive kilovolt amperes changes.
在无功容量市场、无功电量市场两个方面进行了深入的理论与方法研究。
In the idle work capacity market, the idle work electric quantity market two aspects have carried on the thorough theory and the method research.
合理的无功就地补偿和选择变压器容量可以降低损耗,提高系统运行的经济性,是电力需求侧管理的重要内容。
Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
同步调相机的额定容量是调相机在额定电压下能连续提供的无功功率量。
The rating of a synchronous condenser is the magnitude of reactive power that the unit can supply continuously at rated voltage.
此外,调相机一般还具有短时提供超出额定容量无功功率的能力,如一分钟内可达1.5倍额定值。
In addition, condensers typically have the capability to supply above rated reactive power for short periods of time such as 1.5 times rating for one minute.
同时提出了一种确定配电网络无功补偿容量的简便算法。
A simple and convenient algorithm for calculating reactive compensation capacity in distribution network was presented in this paper.
合理的无功补偿点的确定以及补偿容量的确定,能够有效的维持系统的电压水平,提高系统的电压稳定性,从而降低电网的网损率。
Ensure Reasonable reactive power compensatory point and capacity, it can be maintained systemic voltage level and improved systemic voltage stability, consequently decrease loss of system.
针对宝钢马迹山港原供电系统功率因数低下的问题,提出了一种新的无功补偿容量计算方法。
In the light of low power factor of the former power supply system of Majishan Port, Bao Steel, a new calculation method for wattless compensation capacity is put forward.
它在满足电压畸变率,无功补偿及电容器安全运行要求的条件下,使电容器安装容量最小。
The parameters of power filter are selected by minimizing the capacity of capacitor under the restrictions of voltage deformation rate, reactive power compensation and safety operation of capacitor.
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。
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.
提出了高压电动机的无功功率补偿及高压补偿柜容量选择。
The compensation of reactive power of a high voltage motor and the capacity selection of a hige voltage compensation cubicle are proposed in the paper.
在正常响应阶段协调控制并联电容器和快速无功源,以保证系统的快速无功备用容量。
In normal control stage, the coupled electric capacitors and fast reactive resources are controlled to guarantee the reserved fast reactive capacity.
本文从电压无功综合控制的基本原理出发,说明了变压器分接头的调节与并联电容器投入容量的大小对电网电压的影响。
The basic theory for voltage and reactive control and the taps changed in transformer and shunt capacitor switched affect the voltage value are discussed in the paper.
结果认为,在北昌泵站采用单机补偿方式运行时,无功补偿容量定为70 k V最为合理。
The result shows that the reactive compensating capacity is very reasonable with operation mode of single machine compensating. Its capacity is 70 KVar.
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。
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.
为此本文对无功、备用容量支持、自动发电控制等运行费用进行量化分析和研究。
In this paper, the compensation cost of reactive power and spinning reserve supporting and automation generation control (AGC) is analyzed by economic measuring.
利用配电网络物理规则求得投切点无功补偿容量调节范围,用于约束解的产生和进化,缩小寻优空间。
The reactive power compensation ranges are obtained by the physical constraints of the distribution network, and thus the initialization and evolution are restricted to a reduced optimization space.
本文主要研究了无功补偿对电网性能的改善,电网最佳补偿点的位置和容量配置,及控制器的软、硬件的设计。
The main part of this thesis includes the ameliorating of the net which comes from the reactive power compensate, the most felicitous compensating position, and the hardware and software design.
传统的无功优化通常考虑的仅仅是提高电网的电压质量和降低网损,当系统的传输容量有足够的裕度时,这种只考虑经济效益和基本运行约束的做法是适当的。
The general reactive power optimization is only to reduce the loss of the system and improve the quality of voltage, which is suitable when system has enough power capability.
无功源配置问题主要包括无功源配置地点、台数、补偿容量的问题。
Reactive sources allocation include allocation site, number and capacity of reactive sources.
文中将无功功率作为OPF的控制变量,故节点电压也被优化以得到最大传输容量。
Since the reactive power generation is taken as a control variable in the OPF formulation, the bus voltages can be optimized to yield maximum TTC.
调相机吸收无功的能力一般为其额定容量的35—40%。
The ability of the condenser to absorb reactive power is generally about 35% - 40% of its rating.
电量电价加容量电价形成了建议的两部制无功电价。
Thus reactive power energy price plus capacity price forms the proposed two-part tariff of reactive power model.
电量电价加容量电价形成了一种新的两部制无功电价。
Thus a new two-step reactive power pricing model that consists of energy price and capability price is formed.
采用灵敏度分析的方法,计算出清远电网无功补偿的容量及补偿地点,从根本上改善了清远电网电压的异常。
The capacity and sites of re active? Load compensation in Qingyuan power system are given using the sensitivity analysis. After reactive compensation, the voltage of the power system is improved.
合理选择变压器的容量可以降低变压器的有功功率损耗和无功功率损耗,提高电力系统运行的经济性。
Rational chosen transformer capacitor can cut active power loss and reactive power loss down. So, it can improve power system economical operation.
分析了发电机无功出力的机会成本和容量成本,提出了以无功的机会成本加容量成本作为发电机无功计价的方法。
The opportunity cost and capacity cost of reactive power are analyzed, and a method considering the total cost of opportunity and capacity as pricing of reactive power is presented in thi...
将传统的大容量静止无功发生器(STATCOM)装置与储能装置集成,能够显著增加和提高STATCOM的功能和性能。
The integration of a traditional STATCOM device with the energy storage system will greatly increase its functionality.
探讨了变电站在进行无功补偿电容器建设时确定补偿容量的计算方法。
Research on measurement of resistive current in XLPE cable using capacitive current compensation method;
探讨了变电站在进行无功补偿电容器建设时确定补偿容量的计算方法。
Research on measurement of resistive current in XLPE cable using capacitive current compensation method;
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