为电力变压器的设计提供理论依据。
The theoretical basis is provided for the design of power transformer.
电力变压器铁心柱截面的优化设计。
Optimization design on the iron beam sectional of the electricity transformer.
气体继电器保护是电力变压器的一种基本保护。
Protection by gas relay is one of the elemental protection of transformer.
电力变压器是电力系统中最重要的电气设备之一。
Power transformer is one of the most important equipments in the electric system.
油流继电器是大型电力变压器冷却循环系统的重要部件。
The oil flowing relay is the important prot of the cooling system of power transformer.
提出并研究了电力变压器故障诊断的人工神经网络方法。
A neural network approach to power transformer fault diagnosis is proposed in this paper.
并可根据用户的需要设计生产各种非标准的电力变压器。
And in accordance with the needs of users of design and production of various non-standard power transformers.
励磁涌流识别一直是电力变压器差动保护中比较关注的问题。
Inrush identification is always a key problem in power transformer current differential protection.
提出了一种电力变压器状态维修决策的模糊多属性决策方法。
The fuzzy multiple attribute decision-making method to condition-based maintenance of transformer is proposed.
公司的主要产品有：电力变压器、箱式变电站、电气开关柜等。
The company's main products are: power transformer, box-type substation, electrical switchgear, and so on.
电力变压器故障诊断对电力系统的安全经济运行有着十分重要的意义。
The transformer fault diagnosis is very important to the safety and economic operation of power system.
你需要堵塞漏电开关保护户外电力变压器成出路装有'而使用的范围。
You need to plug the transformer into a GFCI protected outdoor electrical outlet fitted with a 'while in use' cover.
介绍了基于油中溶解气体分析（DGA）的电力变压器故障综合诊断。
The synthetic diagnosing of transformer faults based on dissolved gas-in-oil analysis (DGA) is introduced.
将其应用于电力变压器局部放电点超声波定位中，收到了很好的效果。
It has satisfying effect in the application of ultrasonic locating of transformer partial discharge.
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.
电力变压器线圈之间的耦合特性使其内部短路故障的外部特性具有复杂性。
The coupling between coils in power transformer causes the complexity of external characteristics of internal short circuit faults.
是理想的干式电力变压器、电抗器及其它电机槽间、匝间、层间绝缘材料。
It is an ideal slot, interturn and interlayer insulating material of dry type power transformers, reactors and other motors.
此方法不仅适用于油田，而且可用于使用同一电力变压器供电的任何领域。
The new method can be used not only in deep oil-well measurment but also in many other fields.
用油中溶解气体分析(DGA)能灵敏地发现电力变压器潜伏性故障的性质。
To use dissolved gas analysis (DGA) in oil can discover the nature of hidden fault sensitively in power transformer.
把这种方法应用于电力变压器的脆性源评价。求出了电力变压器的危险脆性源。
Apply this method to estimate the brittle source of electric power transformer, obtained the danger brittle source of it.
电力变压器是电力系统中的主设备，它是否正常运行直接影响系统的安全运行。
Power transformer is the main device in power systems which run normally or not directly affecting the security of the system.
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.
基于综合设计、类比设计、优化设计三种设计方式构建了电力变压器优化设计系统。
An optimization design system of power transformer is constructed based three DE sign styles: integration design, analogy design and optimization design.
利用有限元算法分析了三相电力变压器绕组各线匝在不同运行模式下电动力引起振动。
Based on finite element method (FEM), the vibration of power transformer windings caused by electrodynamic force is analyzed.
认为谐波源来自系统侧，除了非线性负荷外，主要是由大型电力变压器激磁电流所造成。
The harmonic comes from power system side, which is caused mainly by exciting current of the large capacity transformer besides the nonlinear loads.
大型电力变压器的局部放电在线监测技术是高电压绝缘检测与诊断领域研究的热门课题。
Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.
随着电力变压器单台容量的增加，漏磁场及其在油箱和结构件中引起的杂散损耗明显增加。
With the development of capacity of transformer, the leakage magnetic is increasing which may enlarge the stray loss in the tank and structure.
防晕材料的电阻率具有非线性特性，此特性能改善电力变压器绕组端部绝缘结构的电场分布。
The resistivity of anti-halo material has non-linear property which can improves the field distribution of insulation structure at winding end of power transformer.
通过介绍一起大型电力变压器出口短路事故的发生和处理经过，分析了事故原因及暴露的问题。
By explaining the occurrence and treatment of a large power transformer output terminal short circuit accident, the causes of the accident and problems exposed are analyzed.
随着电网对安全性要求的提高，对电力变压器保护的速动性、灵敏性、可靠性要求也越来越高。
The speed, sensitivity and reliability of transformer protection improve with the higher requirement of the power system security.
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