The loss ratio and efficiency of power transformers are discussed.
本文分析了现有变压器的损耗比及各负载下的效率值。
This paper introduces a practical failure diagnosis expert system for power transformers.
介绍了小功率单相电源变压器的设计，并列举了设计实例。
Geomagnetically induced current (GIC) will affect the secure operation of large power transformers.
地磁感应电流(GIC)会对大型电力变压器的安全运行产生不利影响。
Finally, according to the relational sequence, the insulation fault is identified for power transformers.
最后根据关联序识别变压器绝缘故障诊断。
The conception of economical life is introduced for the small and middle-sized power transformers (SMSPT).
本文介绍了中小型电力变压器经济寿命的概念。
And in accordance with the needs of users of design and production of various non-standard power transformers.
并可根据用户的需要设计生产各种非标准的电力变压器。
Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed.
基于变压器油中溶解气体分析，提出了一种基于群灰色关联度分析的变压器绝缘故障诊断新方法。
Calibration of discharge quantity is required for on line monitoring of partial discharge in power transformers.
视在放电量的标定是利用脉冲电流法进行变压器局部放电在线监测的前提。
This paper is of value for the design and manufacture of the lead insulation mouldings in UHV power transformers.
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。
Ultrasonic method is an important means for monitoring and evaluation of partial discharge of power transformers.
超声波法是电力变压器局部放电检测的重要方法。
The results show that IGA is an uncomplicated and efficient method suitable for optimum design of power transformers.
结果表明，改进遗传算法是一种适合于变压器优化设计的简便有效方法。
It retains over a quarter of the Indian market for power transformers, which it defends against global rivals such as ABB.
集团占有印度电力传送市场的四分之一，必须和国际对手如abb竞争。
The research on the detection and location of partial discharges in power transformers using acoustic methods is presented.
介绍了国外应用超声波测量法判断变压器内部局部放电和确定局部放电源位置的研究工作。
Economic operation of power transformers and power lines mainly include economic operation, is a practical method of saving.
电网经济运行主要包括变压器及其电力线路的经济运行，是一项实用性强的节电方法。
It is an ideal slot, interturn and interlayer insulating material of dry type power transformers, reactors and other motors.
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。
However, the power transformers, as an important part in the equipment, mainly is electromagnetic transformers with a large volume.
电源是这些电子设备中的一个重要部件，目前所用变压器多为体积较大的电磁式变压器。
A novel Power Electronic Transformer is proposed in this paper, which is greatly different from the conventional power transformers.
介绍了与传统电力变压器的概念有着极大不同的电力电子变压器。
In this paper, Fault Tree Analysis Method is used for analyzing and calculating various failures of large power transformers in our country.
本文应用故障树分析法对我国大型电力变压器的各种故障进行了分析计算。
Oil-immersed power transformers are key equipments in power system, and it is important for detection and assessment of their insulation condition.
油浸式电力变压器是电力系统的重要设备，对其绝缘状况的检测评估相当重要。
Vegetable insulating oils have been successfully applied in distribution transformers, but not applied in power transformers with higher voltage levels.
植物绝缘油已成功应用于配电变压器中，但尚未在更高等级电力变压器中得到应用。
Power transformers are most important equipments in power plants and power substations, they have a great influence on the secure operation of power system.
电力变压器是发电厂和变电站中的主要电气设备，它对电力系统的安全运行有着重大的作用和影响。
The structure and characteristics of amorphous power transformers are introduced. The types, properties and development of amorphous core materials are stated.
介绍了以非晶态合金材料为铁心的电力变压器的结构和特性；
In order to detect the oil level of electrical power transformers in the substations accurately and automatically, a method based on the infrared image is put forward.
为了自动准确地检测出变压器油位，本文提出了一种基于红外图像的检测方法。
Condition assessment of power transformers is an important approach to providing decision-making for condition maintenance and improving the operation reliability of power systems.
电力变压器运行状态评估是指导变压器状态检修及提高电力系统运行可靠性的重要手段。
EFD series power transformers and inductors are mostly used in the drive circuits of computer, lighting fixture, meters and equipments products' feature: high stability and reliability.
EFD系列功率型变压器，电感器主要用于电子计算机，照明，仪器仪表等电子设备驱动电路中，具有工作稳定可靠等特点。
This paper outdoor distribution equipment and layout of the bus architecture, power transformers, high-voltage circuit breakers, switches and arrester and isolation transformer and so on.
室外配电装置选型主要包括中型配电装置、高型配电装置、半高型配电装置等。
Power transformers are very important equipment of substation, power plant and electric management departments, the running conditions of which will affect the safety and stability of system.
电力变压器是发电厂、变电站和用电部门最重要的电力设备之一，其运行状态直接影响到系统的安全性和稳定性。
Power transformers are very important equipment of substation, power plant and electric management departments, the running conditions of which will affect the safety and stability of system.
电力变压器是发电厂、变电站和用电部门最重要的电力设备之一，其运行状态直接影响到系统的安全性和稳定性。
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