大型超高压变压器的绝缘问题是电力系统中的重大课题。
The isolation for a giant super-high-voltage transformer is a paramountly important problem in the power system.
大型超高压变压器的绝缘问题是电力系统中的重大课题。
The theories of isolation inspecting in power supply systems are expounded.
这一方法可以预测将来任一时刻的油中气体浓度,从而诊断变压器的绝缘状况。
Using this method, the gas in oil concentrations at any future time can be predicted, hence the insulation of oil filled transformer can be also diagnosed.
而对运行中的电力变压器的绝缘状态实施监测最有效的方法是实时提取使绝缘损坏的局部放电信号。
The most efficient method in monitoring the running transformer's insulated state is to extract partial discharge signals in real-time.
长期以来,根据预防性试验和油中溶解气体的气相色谱分析结果判断变压器的绝缘状况,对防止事故的发生起到了很大作用。
The judgment of transformer insulation condition, which is based on preventive test and DGA, has played an important role of accident prevention for a long time.
这种试验主要被用于测试中高功率的电力或电子技术中采用的元器件或设备(断路器,开关,变压器,绝缘子等等)。
These tests are above all used to test components or equipment employed in electricity or electro-technology of medium and high power (circuit-breakers, switches, transformers, insulators, etc...).
变压器内部绝缘的缺陷是引起变压器局部放电的主要原因。
The defect of transformer inner insulation is the main element causing the part discharge of the transformer.
从这二种关系出发,进一步说明了严格控制变压器绝缘纸的含水量对延长变压器寿命的重要性。
From the above relations, the significance of strictly controlling the water content of transformer paper for prolonging the life of transformers is further mentioned.
变压器内绝缘纸中的含水量是影响变压器寿命的因素之一,对变压器的老化有着明显的负面影响。
The water content in insulating paper in transformer is the one of factor that affects transformer life, which has obvious negative influence for the ageing of transformer.
产品用途:高压电器件的绝缘浇注料、环氧灌封料、塑封料、包封料、绝缘子、干式变压器、高压互感器、填料等。
Uses:Packing of high tension electrical equipment, epoxy pouring packing material, plastic pacing material, dry type transformer, high tension mutual inductance equipment, insulator.
本文对超高压电力变压器引线成型绝缘件的设计和生产具有实际指导意义。
This paper is of value for the design and manufacture of the lead insulation mouldings in UHV power transformers.
电力变压器局部放电在线监测是当前高电压绝缘检测与诊断领域研究的热点课题。
On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
变压器的预警系统、现场诊断、趋势分析、状态检修是寿命管理的内容,防止变压器绝缘老化是关键。
With the prevention of insulation aging as the key, service life management for transformers includes transformer fault forecast, on the spot fault diagnosis, trend analysis and state examination.
变压器绝缘护套一般固定在升高座的法兰上,升高座的里边大约可以放下维护和测量用的内装式电流互感器。
Transformer insulation sheath for general fixed on the elevatedseat flange, elevated seat inside about can put down the maintenance andmeasurement using the built-in type current transformer.
通过对变压器绝缘油的试验分析,认为钙、镁离子进入变压器绝缘油是导致变压器绝缘油介质损耗偏高的主要原因。
It is believed that the calcium ion and magnesium ion went into transformer insulation oil is why the loss of them is higher through the test of transformer insulation oil.
由于变压器绝缘纸板中的微水分影响其介电特性,用介电方法可以测量绝缘纸板微水分分布。
The dielectrometry method can be used to measure moisture dynamics in transformer pressboard since the moisture affects the dielectric properties of pressboard.
通过以上研究可以为变压器绝缘纸板的微水分测量提供有利的帮助。
All research above can provide valuable help for measurement of trace moisture in transformer pressboard.
架子离变压器的距离以便当吊起和放置变压器绝缘护套为准。
The shelf from the transformer to facilitate lifting distance and insulation sheath placed transformer shall prevail.
该方法能够有效地预测未来时刻变压器油中溶解气体的浓度、诊断变压器在未来时刻的绝缘状况。
It can availably predict the concentrations of the dissolved gases in transformer oil and diagnose insulation condition of transformer in future.
基于粗糙集、模糊集和贝叶斯最优分类器,提出一种变压器绝缘故障诊断与维护的综合决策模型。
Based on Bayesian optimal classifier, combining with rough set and fuzzy set, a new transformer fault diagnosis and maintenance mode is presented in the paper.
在线监测变压器油中溶解气体可有效地分析变压器绝缘状况,在线监测用气体传感器是实施该技术的关键。
Online detection technology of transformer oil dissolved gas can be used to analyze insulation status of transformer effectively, and the gas sensor in online detection is crucial to this technology.
由于变压器绝缘纸板中的微水分影响其介电特性,用介电测量方法可以得出纸板内的微水分分布。
The dielectrometry method can be used to measure moisture distribution in transformer pressboard since the moisture affects the dielectric properties of pressboard.
检测变压器油中糠醛含量是判断变压器绝缘纸老化程度的有效方法。
Detection of furfurol content in transformer oil is an effective method to judge the aging degree of insulated paper in the transformer.
介绍了一个大型变压器绝缘状态可现场测试诊断系统的结构和功能,以及应用该系统对变压器进行诊断的技术与手段。
The structure and function of the field testing and diagnostic system of the large transformer insulation condition are introduced. The diagnostic techniques for transformers are presented.
由它构成的微水份测量系统,可以用于现场干燥过程中的变压器绝缘纸板微水份检测。
A moisture measuring system, including the sensor, can be applied in measuring moisture in pressboard of transformer coils during the drying process.
接线头的下端应当紧密地贴在变压器绝缘护套的密封法兰上。
The lower end of the connection head shall be tightly sealed flange in transformer insulation sheath.
接线头的下端应当紧密地贴在变压器绝缘护套的密封法兰上。
The lower end of the connection head shall be tightly sealed flange in transformer insulation sheath.
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