• Power transformer is one of the most important equipments in the electric system.

    电力变压器电力系统重要电气设备之一

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  • From social development and requirement, it is imperative to develop this new kind of dry power transformer.

    社会发展需求表明研制这种新型干式电力变压器势在必行

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  • 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总体性能缩短产品开发周期必要对其计算机辅助设计进行深入研究

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  • In the transformer fault diagnosis, the fault can be reflected by different characteristic signal from different side, due to complexity of fault reason and phenomenon of power transformer.

    电力变压器发生故障部位多,故障原因现象复杂故障诊断中,可以通过变压器不同方面特征信号不同侧面反映变压器故障

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  • As shown in Figure 3-12, common - mode current (ICM) is caused by capacitive coupling (CCOUPLING) from the power line through the power transformer.

    3 - 12可以看出电流(ICM)是从电源线经过电源变压器通过电容耦合(CCOUPLING)而产生的。

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  • I have a power transformer located approximately 60 feet from the device and it's estimated to be about 20 to 25 feet above the ground.

    一个电源变压器位于大约60英尺设备估计约2025英尺以上地面

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  • The theoretical basis is provided for the design of power transformer.

    电力变压器设计提供理论依据

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  • 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前提准确设备参数负载损耗曲线

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  • The cooling method of nature oil circulation is not only widely used in small-middle type power transformer, but also used in large type power transformer with low load and low ambient temperature.

    自然循环冷却方式不仅广泛应用电力网中的中小型电力变压器大型电力变压器负荷环境温度时应用

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  • The power transformer is one of the key devices in power system and its reliability directly concerns the safety of the whole power network.

    电力变压器电力系统主要设备之一运行可靠程度直接关系到整个电力系统电网安全运行。

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  • 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不同运行模式下电动力引起振动

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  • The coupling between coils in power transformer causes the complexity of external characteristics of internal short circuit faults.

    电力变压器线圈之间耦合特性使内部短路故障外部特性具有复杂性

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  • Thus, the DGA technology has been placed in an important position in the preventive tests of power transformer equipment.

    因此,无论国内还是国际,DGA技术列为电力设备预防性试验重要位置

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  • Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.

    大型电力变压器局部放电在线监测技术电压绝缘检测诊断领域研究热门课题

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  • The feature of optical fiber, the principle of optical fiber sensor and the application of optical fiber technique in power transformer insulation monitoring is also introduced in this paper.

    本文阐述光纤特性光纤传感器原理特性介绍了光纤技术电力变压器绝缘监测中的具体应用

    dict.cnki.net

  • On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.

    电力变压器局部放电在线监测当前电压绝缘检测诊断领域研究热点课题

    dict.cnki.net

  • The characteristics of transformer temperature rise is described briefly, and the top oil temperature rise calculation of a large power transformer on-site is introduced and analyzed.

    简单说明有关变压器温升一般特性一台大型电力变压器现场顶层温升推算进行了介绍分析

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  • A diagnostic method integrating case based reasoning with fuzzy theory is presented in this paper, and a practical model for power transformer fault diagnosis is further built up.

    提出种在范例推理框架集成模糊数学故障诊断方法进一步建立应用电力变压器故障诊断实用模型

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  • Power transformer is the important electrical equipment used to transform voltage in the power system, so it is very important to improve the operation reliability of power transformer.

    电力变压器电力系统用来变换电压重要电气设备提高电力变压器运行可靠性极为重要

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  • 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.

    材料电阻率具有非线性特性,此特性改善电力变压器绕组端部绝缘结构电场分布

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  • As the key apparatus in electric power system, the operating reliability of large power transformer has deep influences on security and stability of power systems.

    大型电力变压器作为电力系统枢纽设备运行可靠性直接关系电力系统安全稳定

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  • The oil flowing relay is the important prot of the cooling system of power transformer.

    油流继电器大型电力变压器冷却循环系统重要部件。

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  • 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.

    通过介绍一起大型电力变压器出口短路事故发生处理经过,分析了事故原因暴露问题

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  • Power transformer is the main device in power systems which run normally or not directly affecting the security of the system.

    电力变压器电力系统中的设备是否正常运行直接影响系统安全运行

    www.lunwenchina.net.cn

  • The binding methods of yokes in three-phase power transformer cores and their merits and demerits are introduced. The general tightening device is analyzed briefly.

    介绍了三相油浸式电力变压器铁心绑扎方式及其优缺点,并对常见拉紧装置作了简要分析

    dict.cnki.net

  • Aim at the issue of on-line detection and fault diagnosis of power transformer, a project of multi-sensor in-formation fusion combined with embedded network is proposed.

    针对电力变压器在线监测故障诊断问题提出了基于多传感器信息融合嵌入式网络相结合解决方案

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  • To use dissolved gas analysis (DGA) in oil can discover the nature of hidden fault sensitively in power transformer.

    用油溶解气体分析(DGA)灵敏发现电力变压器潜伏性故障性质

    dict.cnki.net

  • To use dissolved gas analysis (DGA) in oil can discover the nature of hidden fault sensitively in power transformer.

    用油溶解气体分析(DGA)灵敏发现电力变压器潜伏性故障性质

    dict.cnki.net

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