This paper introduces the application of PLC in wind-cooling system of the power transformer.
文章介绍了PLC在变压器风冷系统中的应用。
The power transformer includes pre-test, on-line supervision, family quality bug, and equipment self-quality event, etc.
电力变压器状态信息构成应包括：预试、在线监测、家族质量缺陷和设备自身质量事件等等。
Two practical methods are introduced to renovate the power transformer with no-load tap changer into that with on-load one.
配置有载调压的变压器在有载调压开关出现异常时，为抑制恶化趋势，避免突发故障，采取了减少调压开关动作次数的措施。
Transient testing of the power transformer protection comes true with this system. And this system is proved to be applicable in practice.
该测试系统实现了变压器保护装置的暂态整组测试，对于全面检验变压器保护的性能具有很大的应用价值。
The power transformer is one of the key devices in power system and its reliability directly concerns the safety of the whole power network.
电力变压器是电力系统中最主要的设备之一，其运行可靠程度直接关系到整个电力系统电网的安全运行。
The power transformer is one of the most important equipment of electric system. Its status directly affects the safety of the electric system.
变压器是电力系统中重要的设备，其运行状况的好坏直接影响系统的安全运行。
As shown in Figure 3-12, common - mode current (ICM) is caused by capacitive coupling (CCOUPLING) from the power line through the power transformer.
从图3- 12可以看出，共模电流(ICM)是从电源线经过电源变压器通过电容耦合(CCOUPLING)而产生的。
The operation reliability of the power transformer, the key apparatus in electrical power system, influences the safe operation of electrical power system directly.
变压器作为电力系统的枢纽设备，其运行可靠性直接影响电力系统的安全运行。
The dynamic test shows that the new method with simple principle and easy implementation can rapidly and reliably cut all the inner faults in the power transformer.
动模试验表明：该方法原理简单、易于实现，能够迅速、可靠地切除各种情况下变压器的内部故障。
The operation reliability of the power transformer, which is the major equipment in power system, directly related to the safety and stability of whole power system.
变压器作为电力系统的枢纽设备，其运行可靠性直接关系到电力系统的安全与稳定。
The safety of the operation of power equipment is first line of defense to avoid major accidents grid, which is the most critical defense systems for the power transformer equipment.
电力设备的安全运行是避免电网重大事故的第一道防线，而电力变压器是这道防御系统中最关键的设备。
By using an active clamp circuit, the power transformer core is symmetrically reset. Zero voltage switching conditions are achieved over a broad input voltage and output current range.
利用有源钳位电路实现主变压器铁心对称复位，功率开关在宽输入电压和宽负载电流范围内零电压开关。
The estimate of a transformer state is a prerequisite and basic work of the power transformer state maintenance, so it is important to study the estimate method of the transformer state.
变压器状态评估是电力变压器状态维修的前提和基础工作，所以对变压器状态评估方法进行研究有重要意义。
In order to improve the general performance of dry-type power transformer and to shorten new product development period, computing aided design should be further studied and applied.
为了进一步提高干式电力变压器的总体性能，缩短新产品的开发周期，有必要对其计算机辅助设计进行更深入的研究。
The transformer fault diagnosis is very important to the safety and economic operation of power system.
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。
Saturation of Current Transformer is the major problem of Bus Protect in power system.
电力系统母线保护存在的主要问题，是电流互感器的饱和问题。
It is well known that transformer is one of the main equipments in the power system.
变压器是电力系统中重要设备之一，承担着传输和分配电能的重要任务。
Based on finite element method (FEM), the vibration of power transformer windings caused by electrodynamic force is analyzed.
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。
In the case of the transport of electricity under the same in order to reduce the power line transformer and the total loss, improve the power economic efficiency.
在使输送相同电量的情况下，以达到减少变压器和电力线路的总损耗，提高电网经济效益的目的。
To possess accurate parameters of transformer and the power loss curve caused by loads is the presuppositions for economic operation of power transformer.
实现变压器经济运行方式的前提是要有准确的设备参数和负载损耗曲线。
Distribution transformer is important electric power equipment in the distribution network, whose operation data is important in electric power system automation.
配电变压器是配电网络中的重要电力设备，其运行数据是配电网络的基础和重要的数据。
The theoretical basis is provided for the design of power transformer.
为电力变压器的设计提供理论依据。
For dependability, security of the power plant and transformer substation with DC system, offer effective measuring and maintenance means.
为发电厂和变电站直流系统的可靠性、安全性，提供有效的检测和维护的手段。
Power transformer is one of the most important equipments in the electric system.
电力变压器是电力系统中最重要的电气设备之一。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
通过计算和分析表明：变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
Thus, the DGA technology has been placed in an important position in the preventive tests of power transformer equipment.
因此，无论在国内还是在国际，DGA技术都被列为电力设备预防性试验的重要位置。
Thus, the DGA technology has been placed in an important position in the preventive tests of power transformer equipment.
因此，无论在国内还是在国际，DGA技术都被列为电力设备预防性试验的重要位置。
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