电抗器匝间故障时,电容器与电抗器电压比将发生变化;
The voltage ratio of the capacitor and reactor will change when the fault occurs.
常规并联电抗器固定接入超高压输电系统,不能保证各种运行方式下系统输送能力和母线的稳态电压。
Routine shunt reactor fixed on the EHV transmission system can not guarantee the transmission capability and steady state voltage of system under different operation modes.
基于ATP的仿真和Matlab的运算表明基于电容器电感器电压比的电抗器匝间短路保护,能够对匝间故障做出快速而正确的判断。
ATP simulation and MATLAB calculation show that the voltage ratio protection against inter-turn fault of reactor can make correct judgement to this kind of fault quickly.
给出了各种补偿方式下并联电抗器参数选择方法和中性点小电抗的最大耐受电压计算方法。
The selection of shunt reactor parameters and the most withstand voltage calculation of neutral point small reactor are discussed for different compensation modes.
文章着重介绍了该项目的自适应重合闸的原理及保护配置,并对带并联电抗器的电压判据作了改进。
The principles and protection disposition of adaptive reclosing are introduced emphatically, and the voltage criterion with shunt reactor has been made improvement.
通过采用并联电抗器可降低前述的电压升高。
These voltages can be reduced by the application of shunt reactors.
介绍了可控电抗器在配电网中的调压作用,它可以有效抑制电网电压的波动,改善供电质量。
The voltage regulation action of controlled reactor in distribution network is introduced. It can effectively control the variety of network voltage and improve the quality of power supply.
为避免谐波问题造成的电容器等设备损坏,提出了根据电容器和电抗器的滤波能力,把谐波抑制功能加入电压无功控制(VQC)装置。
To avoid device damage caused by harmonic wave, a VQC device integrating harmonic suppression function is presented in terms of the filter capability of capacitor and reactor.
在对干式空心电抗器参数计算的基础上,提出了用脉冲电压谐振法进行电抗器匝间绝缘缺陷的检测。
Based on the parameter calculation of the air core reactor, this paper presents a pulse voltage resonance method to detect turn to turn insulation defects in air core reactors.
选择IPC电容器、电抗器的参数调整时间,对调控过程中IPC电容器的电流冲击和电抗器的电压冲击进行有效抑制。
The current impact in capacitor and the voltage impact on reactor in the control course can be restrained by selecting the right time to adjust IPC' s parameter.
电容式电压互感器(CVT)的补偿电抗器不但影响电压比的准确度,而且还影响它的额定容量。
Compensating reactor in a Capacitive Voltage Transformer (CVT) influences not on-ly its ratio error, but also the rated output capacity.
讨论了空载线路在电容效应下产生的工频过电压,并对并联电抗器抑制工频过电压的作用进行了理论分析。
The power frequency overvoltage of unloaded line because of the capacity effect is studied, and the effect of eliminating power frequency overvoltage using shunt reactors is analyzed.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
连接于极线的输电设备主要有平波电抗器、滤波电容器、直流电压分压器、光学电流传感器、直流避雷器等。
The equipment which connected in the DC bus includes smoothing reactors, capacitors, voltage dividers, optical current transducers and arresters.
有用于过滤两部分组成:一个电容器用于过滤的电压和电感器或电抗器进行过滤的电流。
There are two components used for filtering: a capacitor is used to filter the voltage and an inductor or choke to filter the current.
抑制过电压除了用相应的RC电路外,还要注意它的最佳电路连接方法,以及在回路中串入合适的饱和电抗器等。
Besides adoption of the right RC circuit, attention must be payed on optimum circuit connecting, as well as proper saturable reactor seriesly connected in the circuit in order to suppress overvoltage.
在制造电抗器前,需要对电抗器的过电压耐受进行评估,保证匝间电压小于绝缘值。
Before manufacturing the CLI, the over-voltage withstand ability of CLI should be evaluated to ensure the voltage between two coils less than the withstand value.
提出了一种新的适合于GTR电流型变频器整流器部分的PWM控制方法,推导出了在准圆轨迹PWM控制规律下,整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。
A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.
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。
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.
限流电抗器电抗值选择时既要将短路电流限制到规定值,又不能使电压损失过大。
When the reactance value of current limiting reactor is selected, the short circuit current should be limited within the specified value and the voltage loss should not be too much.
并通过安装过电压在线监测装置进行测试的方法,初步探讨了空心电抗器防雷的作用。
Through over voltage on-line monitoring device testing, inquire into lightning protection of the reactor with air core.
基于脉冲电压法原理,对一个实际干式空心电抗器的电路参数进行了计算机仿真分析,验证了脉冲电压法对干式空心电抗器进行区间绝缘检测是可行的。
With the parameters of a real dry-type air-core reactor, the emulation analysis verifies that the impulse-voltage method is suitable to test its turn-to-turn insulation.
基于脉冲电压法原理,对一个实际干式空心电抗器的电路参数进行了计算机仿真分析,验证了脉冲电压法对干式空心电抗器进行区间绝缘检测是可行的。
With the parameters of a real dry-type air-core reactor, the emulation analysis verifies that the impulse-voltage method is suitable to test its turn-to-turn insulation.
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