论述了变电站高压设备绝缘在线监测及专家诊断技术的研究现状、存在的问题及发展趋势。
This paper describes the investigative status quo, existing problems and development trend of the on-line monitoring and expert diagnosis technique for insulation of substation high-voltage equipment.
六氟化硫是一种温室气体，它与其他物质一道作为某些高压设备的绝缘体。
Take sulphur hexafluoride, a greenhouse gas used-among other things-as an insulator in some sorts of high-voltage equipment.
提出了利用模糊逻辑-神经网络分析高压电气设备绝缘参数变化趋势的方法。
The fuzzy logic-neural network is used to analyze the tendency of insulation parameter change of HV(High Voltage) electric equipment.
因此，需要有一种方便、有效、可靠的检测手段来检测高压设备的绝缘状态。
Then, we need a way that can measure HV equipment's insulation effectively, credibly and conveniently.
电力高压设备运行状态在线监测和绝缘状态在线监测的研究在电力系统中已经取得一定的研究成果。
There already have some outcomes in studies of on-line monitoring of the running condition and the insulation condition of the high voltage equipments in power system.
高压施加于被试的两个相互绝缘的部件之间，例如被试设备的主电路与其金属外壳。
High voltage is applied between the two parts across the insulation being tested, such as the primary circuit and metal enclosure of the equipment under test (EUT).
局部放电是评定高压电器设备绝缘老化程度的重要参数。
Partial discharge is important parameter for evaluating insulation ageing of high voltage electric appliance and equipment.
该系统是针对电力部门各种高压绝缘设备铭牌信息以及实验数据而设计的一个基于网络数据库的管理信息系统。
This system is a database management information system based on network designed for high-voltage insulating equipment nameplate information and experimental data for electric power system .
该方法可用在高压电气设备绝缘在线监测系统中，保证在线监测的准确性和可靠性。
It can be applied in on-line insulation status monitoring system for HV electric equipment with the veracity and reliability ensured.
介绍了一种高压电气设备绝缘在线监测智能化系统的组成、原理及功能，并分析了应用实例。
This paper introduces the principles and functions of insulation online monitoring intelligent system for HV electrical equipment, and analyzes the application example.
应用：适用于输变电网中各类以SF 6气体为绝缘介质的高压、中压电器设备中气体压力的监测。
Application: monitoring the gas pressure of all kinds of high voltage and medium voltage electrical equipment which use SF6 gas as insulation in transmission network.
局部放电(PD)是导致高压电工设备绝缘击穿的主要原因。
Partial Discharge (PD) is the main cause of insulation breaking down of HV equipments in power system.
它在高压设备电气绝缘测试、直流高压输电和静电设备上均有良好的应用前景。
It can be used in fields such as insulation test of high voltage equipments, DC power transmission system, static electrical equipments.
电气绝缘在高压电力设备中起着极其重要的作用，绝缘系统的状况直接决定着电力主设备运行的可靠性。
Electric insulation plays a very important role in high voltage electrical equipment. The insulation state directly determines the stability of electrical system.
同时绝缘通常是高压电器设备中的薄弱环节，故障中很大一部分就是由于绝缘破坏而造成的。
While the insulation is usually the feeble tache of high voltage electric apparatus and a large part of malfunctions are brought by the destruction of insulation.
介绍了高压电力设备外绝缘发生污秽闪络的过程和特点。
The process and feature of flashover of hv power appliance under pollution is described.
如果数据电缆附近有高压电缆经过，在诸如绝缘失效、意外接触设备，则会存在故障电势。
If there are high voltage cables running anywhere near the data cables, the potential for a fault condition exists as a result of insulation failures or inadvertent contact by an installer.
主要内容包括：工频暂时过电压，潜供电流，操作过电压，金属氧化物避雷器主要参数，特高压电气设备的绝缘水平等。
Paper covers temporary overvoltages, second arc current, switching overvoltage, major parameters of MOA and insulation level of UHV AC apparatus.
为探讨高压直流设备绝缘的最主要问题—空间电荷效应，应用电声脉冲法(PEA)对油纸绝缘材料的空间电荷特性进行了研究。
This paper studied the space charge characteristics of oil-paper insulation materials by the Pulsed Electro-Acoustic (PEA) method.
论文最后对设计的系统进行了测试，测试结果表明：针对高压套管等电容型电气设备绝缘状况的传感器具有较好的测量精度和线性度；
The paper tested the system finally, the test results showed that:the high-voltage capacitor of bush-insulated electrical equipment sensor has good measuring accuracy and linearity;
本系统提出引入绝缘知识分析高压设备的故障原因，使本系统的诊断和分析性能扩展。
The Knowledge about insulation partial discharges for EHV devices fault case analysis is introduced into this es in order to extend analysis capability.
本发明用以测量温度梯度场下高压直流电力设备绝缘中的空间电荷的分布。
The invention is used for measuring the distribution of the space charges in the high-voltage direct current power equipment insulation in the temperature gradient field.
讲述了光纤温度传感器用于在线测量高压电气设备内部绝缘温度的原理和方法，并说明这种测量方法在实际应用中的意义。
The principle and method of measuring the internal temperature of insulator of online HV equipment by optical temperature sensor is described, and the advantages of the method in practice are given.
本实用新型涉及电力机车高压输变电设备用绝缘子，特别是地铁电力机车 受电弓复合绝缘子。
The utility model relates to an insulator for the high-voltage transmission equipment of electric locomotive, in particular to a pantograph composite insulator for subway electric locomotive.
本实用新型涉及电力机车高压输变电设备用绝缘子，特别是地铁电力机车 受电弓复合绝缘子。
The utility model relates to an insulator for the high-voltage transmission equipment of electric locomotive, in particular to a pantograph composite insulator for subway electric locomotive.
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