提出了并联电容器组的安装容量和分组容量的计算方法。
Calculation methods of installation capacitance and group capacitance for shunt capacitor bank are proposed.
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。
Shunt capacitor banks are now widely applied for reactive compensation in power system as a reactive source.
分析了并联电容器组过压、过流、过热故障的原因及防范措施。
This paper studies the reason of over voltage, over current, over hot fault of capacitor group and measure to prevent from faults.
高压并联电容器极对壳绝缘水平是保证其在电网安全运行的重要参数。
The Insulation level between poles and enclosure is important for high voltage shunt capacitors to increase the operation reliability.
介绍了用经验公式估算无功并联电容器的放电能量和放电电阻的口诀。
This thesis gives a detailed introduction of a pithy formula, which applied to estimate discharge energy and discharge resistance of shunt capacitor, with the help of experience coefficient.
并联电容器组与电抗器串联具有滤波功能,同时也会与系统发生并联谐振。
Shunt capacitor bank in series with inductance can filter harmonic while resulting in parallel resonance.
分析了断路器绝缘特性和合闸时间分散性对并联电容器组同步关合的影响;
This paper analyses the influences of the closing time scatter and dielectric characteristic of circuit breaker on synchronous energizing shunt capacitor banks.
高压并联电容器成套装置按结构型式可分为散装框架式、集合式和半封闭式。
The complete set of HV parallel capacitors can be divided into the bulk frame type, assembling type and semi-closed type according to their structure type.
本文重点研究了高中压配电网有载调压变压器和并联电容器的优化控制问题。
This thesis mainly focuses on the study of optimal controlling strategy of the on-load tap-changing transformers and shunt capacitors in high and medium voltage distribution system.
安装在输配电网络中的并联电容器将会增加传输能力,减少损失并提高功率因数。
Shunt capacitors installed in transmission and distribution networks will increase transmission capability, reduce losses and improve the power …
为降低感应电压,提出了铺设屏蔽电缆或暂时在电源母线上并联电容器的解决方案。
To reduce the inductive voltage, shield cable is proposed, or connecting parallel capacitor to power-supply line temporarily.
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.
并联电容器组的基本目的是要提高当地线路的电压,或提高引线路所带负荷的功率因数。
The basic purpose of a shunt capacitor bank is to increase the local circuit voltage and or reprove the load power factor carried by the circuit.
并联电容器和高压电容型设备是电力系统中应用普遍的电气设备,这里统称为电力电容器。
Parallel capacitor and HV capacitive type equipments are widely used in power system, here we call them power capacitor in all.
并指出正确选择额定电压和绝缘水平对高压并联电容器在电网中安全、无故障运行的重要性。
It is indicated that correct selection of the rated voltage and insulation level is of great importance to safe, fault-free operation of the high-voltage shunt capacitor in the power network.
第二章分析了无功补偿的原理及优势,并建立了较符合实际的配电网并联电容器优化配置模型。
In chapter two, the theory and superiority of reactive power compensation is analyzed and a practical mathematic model of optimal capacitor placement is set up.
提出一种采用逆变器并联电容器的新方法,该方法通过PWM逆变器控制悬浮力绕组中励磁电流。
A novel method of a capacitor in parallel with inverter is presented, in which current in levitation force winding can be controlled by PWM technique.
随着配电系统负荷日益增长,无功需求也相应增加,配电线路广泛采用并联电容器来满足无功需求。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
介绍采用同步电动机和并联电容器进行无功补偿等常用的无功功率补偿方法,以提高用电设备的功率因数。
The common methods of compensating reactive power are introduced to raise the power factor of electric equipment, such as those of using synchronous motors and parallel capacitors.
最终的目标是从真空断路器机械特性方面入手,降低操作并联电容器组时的重燃率、并减小操作过电压危害。
The aim is to reduce the reignition rate and over-voltage damage from the perspective of the mechanical characteristics of the vacuum breaker switching shunt capacitor Banks.
自愈式低电压并联电容器在电网中被广泛使用,为了考核其在电网中运行的可靠性,对其进行破坏试验是十分必要的。
Self-healing low-voltage shunt capacitor is widely used in network, to check its reliability in network operation, it is very necessary for destruction test.
一些单位为了提高并联电容器装置的运行安全可靠性,选择设备时预留一定的裕度,如提高所选择电容器的额定电压。
In order to improve the safe reliability of shunt capacitor devices, some units like to enlarge the reserved capacity, such as increasing the rated voltage of capacitor, when they choose equipment.
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.
随后,提出了采用并联电容器组就地补偿方法和采用自耦减压启动器降压启动的解决方法,并分别进行了算例仿真研究。
Subsequently, shunt capacitor banks and autotransformer starters are suggested to mitigate the impact, and simulation results prove that these measures are reasonable and effective.
其次,在实际电网中,并联电容器组的配置包括确定并联电容器组的组数、各组电容器的容量、安装位置及其投切时刻。
Secondly, in the actual electric network, configuration of shunt capacitors includes how to confirm their group number, capacitors, installation position and switched time of each group.
根据耐久性试验中老化试验的条件,估算了一台合格的高压并联电容器在标准和技术条件规定的条件下运行时,其预期的使用寿命。
According to the conditions of ageing test within endurance test, the expected operation life of a high-voltage shunt capacitor which operates under the standard condition is estimated.
另外,为了证明本方法的适用范围相当广泛,本论文还将运用Poincare映射于电力系统背对背并联电容器之投入暂态分析上。
In addition, the transient analysis for the back-to-back capacitor bank in a power system will also be involved in the thesis to demonstrate that the Poincare Map has various applications.
为了降低操作频率,我用固定电容器,可变电容器并联。
To lower the operation frequency I use fixed capacitors in parallel with the variable capacitor.
为了降低操作频率,我用固定电容器,可变电容器并联。
To lower the operation frequency I use fixed capacitors in parallel with the variable capacitor.
应用推荐