A new method to diagnose the faults in power system is presented based on the power supply interrupted district (s).
提出了基于停电区域的电力系统故障诊断的一种新方法。
In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.
本程序应用多端口网络方程和故障端口边界方程联立求解的方法,计算电力系统各种多重故障及任意不对称运行的电压和电流。
In power system, the kinds of faults often occur on HV transmission line, and the single-phase-to earth arcing faults are the main forms of the faults.
电力系统中,高压输电线路是最容易发生故障的部分,单相电弧故障是其中最主要的故障形式,并且往往是弧光高阻故障。
In the DCS system of Douhe Power Plant through transformation, some typical faults of DEH system occurred frequently since commissioning.
陡河发电厂的机组在经过DCS改造以后,新装的纯电调系统在投入运行后出现了一些典型的故障。
Large power transformer and high voltage reactor are important equipments in power system, so the correct and in-time diagnosis of their faults and operation maintenance are very important.
大型电力变压器和高压电抗器是输变电系统的重要设备,对其故障进行及时和正确的诊断,并给予检修,关系到整个电网的安全运行,十分重要。
Decaying DC offsets are generated following any faults or disturbances in an electric power system, and the measure accuracy of digital relay devices is affected.
在电力系统中,任何故障或扰动都会使得系统中出现衰减直流分量,它将影响继保装置的测量精度。
Vacuum switch is the key equipment in power system and is used to turn-on and disconnection power system. At the same time it should protect and monitor many kinds of faults.
真空开关是电力系统中的关键设备,用于接通、分断电力系统同时对各种故障进行保护监控。
While multiple faults occur in complex power system, the pilot protections could correctly operate or not, and incorrect operation of the pilot protection is harmful to the power system.
复杂电力系统发生复故障时,方向高频保护可能正确动作也可能不正确动作,而继电保护的不正确动作将直接危害电力系统的安全稳定运行。
Single phase broken line and two-phase broken line are two faults easy too see in power system, which account more in all broken line fault.
单相断线和两相断线是三相电网中最常见的两种故障,占纵向不对称故障的绝大多数。
AT power supply system with protection wire is more complex than other power supply systems in framework, so it has more faults than others.
带保护线的AT供电方式较其他供电方式在结构上更为复杂,故障率也比其他供电方式更高。
Through the simulation platform of MATLAB, the paper establishes the power cable fault system simulation model and obtains the cable faults fluctuations in the end.
通过MATLAB仿真平台,建立了电力电缆故障系统的仿真模型,得出电缆故障波形图。
The research is important to find out faults in insulation system for cable in time and ensure operation safety of electric power system.
本课题的研究对及时发现电力电缆绝缘缺陷,保证电力系统的安全运行具有重要意义。
It is analyzed that throttling adjustment have all kinds of faults in conventional water supply system of power plant heating.
分析了传统的热网补水系统中,节流调节存在的种种缺陷。
The method, design, and functions of the diagnostic system of chemical faults in thermal power plants are described.
通过对火电厂化学故障诊断系统的深入研究,阐述了其研究方法、软件设计依据、程序流程及功能实现等。
This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.
本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式,并编制程序在IBM机上调试通过,最后进行了算例分析。
In order to ensure the generator operating safely and the power system running without faults, it is necessary to compute and analyze the stator temperature field.
为了保证电机安全运行和电网运行的可靠性,需要分析计算大型同步发电机正常运行时的定子温度场。
In order to ensure the generator operating safely and the power system running without faults, it is necessary to compute and analyze the stator temperature field.
为了保证电机安全运行和电网运行的可靠性,需要分析计算大型同步发电机正常运行时的定子温度场。
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