磁系统饱和电力变压器中性点接地方式的管理

2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE) Pub Date : 2018-09-01 DOI:10.1109/APEDE.2018.8542196

A. Kuvshinov, V. Vakhnina, A. Chernenko

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引用次数: 0

摘要

考虑了在对接地方式进行控制的情况下，实现电力变压器的电阻-晶闸管中性点接地方式。提出了一种控制高压晶闸管开关的算法。该算法允许根据地磁活动强度和电力变压器磁系统状态改变中性点接地方式。电阻晶闸管接地方式的电阻随地磁活动的增加而增大，限制了电力变压器磁系统单边饱和的深度和持续时间。

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Management of the Neutral Grounding Mode, for Power Transformers with Magnetic System Saturation

The implementation of the resistive-thyristor neutral grounding mode for power transformers with control of grounding mode is considered. An algorithm for controlling a high-voltage thyristor switch is proposed. The algorithm allows changing the neutral grounding mode depending on the intensity of geomagnetic activity and the state of the magnetic system of the power transformer. The resistance increase of the resistive-thyristor grounding mode with the increasing of geomagnetic activity, limits the depth and duration of the unilateral saturation of the magnetic system of the power transformer.

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2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE)

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