capacitive current
电容电流
2026-03-20 20:03 浏览次数 24
电容电流
Self-excitation and over-voltage caused by generator load rejection with long lines occurs because of the capacitive current has a function to help the magnetic excitation of the generator.
发电机带长线路甩负荷时,因容性电流对发电机产生助磁作用从而使发电机发生自励磁和过电压。
The estimated formula of capacitive current of power distribution grid is often used in the design of power distribution grid.
配电网电容电流估算公式是配电网设计中的常用公式。
The device's control adopted the scheme of dynamic compensation, which could monitor the capacitive current of power net in real time.
该装置的控制采用动态补偿方案,实时监测电网电容电流。
Subsequently, the transient course and characteristics of zero sequence capacitive current are introduced and analyzed.
然后对小电流接地系统单相接地时零序电容电流的暂态过程及特点做了介绍和分析。
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。
Shunt reactors can reduce the steady capacitive current but have unobvious effect on fault transient current.
并联电抗器可以降低线路的稳态电容电流,但对故障暂态电容电流的作用不明显。
On the basis of this, injecting frequency conversion signal method on measuring capacitive current is selected to use here. It is reliable and its error is small, timeliness is good.
在此基础上,选择了对地电容电流测量的注入变频信号法,该测量方法具有测量误差小、实时性良好、安全可靠的特点。
Based on arc suppression coil self-loss conductance and line-to-ground conductance, the power grid-to-ground capacitive current and arc suppression coil tuning parameters is calculated.
同时在考虑消弧线圈自身损耗电导和线路对地电导的基础上,推导了电网对地电容电流和消弧线圈调谐参数的实时计算方法。
Traditional methods for measuring the capacitive current by injecting signals are improved.
对传统的注入信号检测配电网电容电流的方法进行了改进。
Precisely measuring and tracing is a precondition and basis of arc-suppression coil with automatic tuning accurately compensating system capacitive current and efficiently quenching ground arc.
精确的测量和跟蹤是自动调谐式消弧线圈精确地补偿系统电容电流、有效地熄灭接地点电弧的前提和基础。
The second effect is the rise in voltage resulting from the capacitive current of the line flowing through the source (generator) impedance.
第二个影响是线路电容电流流过电源,阻抗引起的电压升高。 收藏。
Under normal running state of the network, automatic tracking measure of capacitive current is realized; under fault running state of the network, dynamic compensation is realized.
实现了电网正常运行状态下的电容电流自动跟蹤检测,故障运行状态下的动态补偿。
One is the rise in voltage along the line resulting form the capacitive current of the line flowing through the line inductance.
一个影响是由于线路电容电流流过线路电感引起的电压沿线路升高。
Zinc oxide lightning arrester discharge frequency, leakage resistance current, and capacitive current can be output digitally with interface RS485.
氧化锌避雷器放电次数及泄露电阻电流、电容电流可用RS485接口以数字量输出。
The result of simulation indicates that fault componentdifferential protection with capacitive current compensation has high sensitivity and good selectivity on al…
仿真结果表明,对于两端供电超高压长线,带电容补偿的故障分量相量差动保护具有明显地高灵敏度和选择性;
It may as well be applied to the design of ground capacitive current measuring equipment.
依照本文测量方法再智能化,即可成为一个电容电流测试仪的产品设计。
The basic principle of resistive current passing through XLPE power cable measured by capacitive current compensation method is introduced.
介绍了用容性电流补偿法测量xlpe电缆的阻性电流的基本原理。
The arc suppression coil with three phases and five columns can achieve automatic trace and compensation for ground fault capacitive current of power system by the method of rectifying i.
介绍了三相五柱式消弧线圈及其自动跟蹤补偿原理,该消弧线圈在结构上突破了传统消弧线圈的模式,将传统的接地变压器和消弧线圈有机地结合成一个整体。
System capacitive current testing can guide arc-extinguish coil correct switching.
通过测试系统电容电流,可以指导消弧线圈的正确投切。
The preventative test method is introduced for capacitive current transformer with high voltage lines in place that is proved to be practicable, high efficient and accurate.
论述了电容型电流互感器不拆高压引线预防性试验的原理和方法,并介绍了现场实际测试结果,证明该方法是準确、高效,切实可行的。
A new method is proposed to measure the tuning-off degree and the capacitive current of resonance grounding power networks based on a new measuring principle.
采用新的测量原理,提出了可同时对谐振接地电力网脱谐度和电容电流进行实时测量的新方法。
This paper mainly introduces test methods of synthetic test and direct test for capacitive current switching for ultra-high-voltage(UHV) circuit breakers.
主要介绍特高压断路器容性电流开合试验方法——合成试验法和直接试验法。
Cyclic voltammograms of the modified electrodes showed that the capacitive current and area of the solution-electrode interface were rather large.
从循环伏安法结果得知,被修饰过之电极在水溶液极电极之电容电流及其表面积均较大。
The capacitive current inner loop is used to suppress system instability and the capacitive current is obtained by estimation.
算法引入电容电流内环以抑制系统不稳定的现象,电容电流信号通过估计过程得到。
Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.
特高压长线路可能在线路中间接入并联电抗器,从而有效补偿线路电容电流,抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。