工频谐振试验变压器应用能力研究
发布时间：2018-07-29 12:27
【摘要】：作为发电机核心部件,定子的绝缘故障往往会带来非常严重的电机事故。为避免由此产生的生产损失和设备维护成本,通常会对发电机定子主绝缘实施最可靠且行之有效的交流耐压试验。以一套1 000 k VA工频并联谐振试验变压器耐压装置为模型,针对铜街子水电站增容改造定子现场实施装配的绝缘考核过程,浅析了高压谐振试验变压器的技术原理、应用利弊,重点提出了扩大工频谐振试验变压器应用调谐能力的方法。介绍了工频谐振变压器耐压装置的原理及结构特点,交流耐压试验方案及其参数计算以及试验现场的实测数据。
[Abstract]:As the core component of generator, the insulation fault of stator often brings very serious motor accident. In order to avoid the production loss and equipment maintenance cost, the most reliable and effective AC voltage test is usually carried out on the main insulation of generator stator. Taking a 1 000 kVA parallel resonant test transformer as a model, this paper analyzes the technical principle of high voltage resonant test transformer, and its advantages and disadvantages, aiming at the insulation test process of the stator for capacity increasing and retrofitting of Tongjiezi Hydropower Station. The method of expanding the application tuning ability of power frequency resonance test transformer is put forward. This paper introduces the principle and structure characteristics of the voltage withstand device of the power frequency resonant transformer, the AC voltage withstand test scheme and its parameter calculation, as well as the measured data of the test site.
【作者单位】： 国电大渡河流域水电开发有限公司检修安装有限公司;
【分类号】：TV734
本文编号：2152670
[Abstract]:As the core component of generator, the insulation fault of stator often brings very serious motor accident. In order to avoid the production loss and equipment maintenance cost, the most reliable and effective AC voltage test is usually carried out on the main insulation of generator stator. Taking a 1 000 kVA parallel resonant test transformer as a model, this paper analyzes the technical principle of high voltage resonant test transformer, and its advantages and disadvantages, aiming at the insulation test process of the stator for capacity increasing and retrofitting of Tongjiezi Hydropower Station. The method of expanding the application tuning ability of power frequency resonance test transformer is put forward. This paper introduces the principle and structure characteristics of the voltage withstand device of the power frequency resonant transformer, the AC voltage withstand test scheme and its parameter calculation, as well as the measured data of the test site.
【作者单位】： 国电大渡河流域水电开发有限公司检修安装有限公司;
【分类号】：TV734
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1 程耀中;王玉田;于洋;王大民;;高压试验用谐振变压器的原理与结构[J];电源技术应用;1999年05期
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