exciting transformer

Type Selection and Protection Allocation of Exciting Transformer

励磁变压器的选型及保护方式配置

Fault analysis and short circuit current calculation of exciting transformer

励磁变压器事故分析与短路电流计算

Design of Dry Type Exciting Transformer for Three Gorges Project

三峡工程励磁变压器的设计

Analysis and Treatment of Vibration and Core Temperature Abnormal Rising in Exciting Transformer

励磁变压器振动及铁心温升异常故障的分析及处理

Analysis of Current Measurement In Zouxian 's Exciting Transformer COMPARISION OF RUN BACK STRATEGY BETWEEN SUPERCRITICAL AND SUBCRITICAL UNITS

邹县电厂1000MW超超临界机组励磁变压器相量测量误差的分析超临界与亚临界机组RB控制策略比较

Analysis and treatment of the faults of vibration unusual sound and core temperature abnormal rise in exciting transformer , caused by the unbalance of the secondary side load , are introduced .

介绍了励磁变压器因二次侧负荷不平衡引起振动异音及铁心温度异常升高故障的原因分析及处理。

The action correctness of the instantaneous over-current relay of exciting transformer and the generator-transformer differential protection ( 287GMT ) was verified by the short circuit current calculation .

通过计算短路电流，证明了励磁变压器过流速断保护和发变组大差保护（287GMT）动作的正确性。

This article analyses the causes of the twice burning accidents happened on Exciting Transformer ( ETr ) during commissioning for # 1 unit in Hejin Power Plant and gives prevention measures .

针对河津发电厂1号机组调试过程中，发生2次励磁烧损事故进行了分析，确认了事故的原因，并采取了防范措施。

This paper analyzes the condition of switching surge test for transformer and presents that it is helpful to improve the accuracy of the test result by exciting transformer with DC supply instead of the traditional switching impulse .

本文分析了高压变压器进行操作冲击试验的现状，提出用直流励磁法代替传统的操作冲击励磁法，有助于提高试验结果的准确性。

The electromagnetic relation and exciting parameters of transformer are analysed . An another form of transformer equivalent circuit is proposed and is compared with present equivalent circuit .

分析了变压器的电磁关系及励磁参数，提出了变压器的等效电路另一形式，并且与现用的等效电路进行比较。

Discussion on application of fuzzy theory in discriminating exciting rush current in transformer

模糊理论在识别变压器励磁涌流中的探讨

Using the exciting curve of core of transformer and EMTP program the exciting current of transformer is calculated . When the exciting current of transformer does not exceed the defined value the dc current corresponding to the dc offset magnet can be accepted .

采用变压器铁心励磁特性曲线，利用EMTP程序计算出直流偏磁时变压器的励磁电流，当变压器的励磁电流不超过规定值时，认为该直流偏磁对应的直流电流可接受。