| 谈谈防止直流寄生回路及一点接地问题 |
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| 引用本文： | 邹森元.谈谈防止直流寄生回路及一点接地问题[J].电力系统保护与控制,1996,24(3):52-57. |
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| 作者姓名： | 邹森元 |
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| 作者单位： | 东北电网调度通信中心 110006 |
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| 摘 要： | 本文例举了继电保护装置所发生的寄生回路的一些事故实例，通过这些事故实例，提出了改进办法。并对部颁《电力系统继电保护及安全自动装置反事故措施要点》（以下简称《反措要点》）的专用端子对的使用作了阐述。本文还分析了出口中间继电器线圈的正端子接地时，直流正、负极对地电容量对线圈两端电压的变化关系，以及采取的措施等。
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| 关 键 词： | 寄生回路 一点接地 |
Discussion on Preventing DC Parasitic Circuit And One-Point-Earthing |
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| Zou Shenyuan.Discussion on Preventing DC Parasitic Circuit And One-Point-Earthing[J].Power System Protection and Control,1996,24(3):52-57. |
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| Authors: | Zou Shenyuan |
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| Affiliation: | Zou Shenyuan |
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| Abstract: | Some accident examples of parasitic circuits occuring in relay device are listed.The improving method is presented by analyzing these examples and how to use the special-used termillals in The Keypoints of Anti-accident Measure in Relay and Safety Automation Device'is described.This paper also analyzes the relationship between the capacitance of de postive and negative poles to earth and the voltage of both coil ends and the measures to be taken when the positive terminal of output auxiliary relay coil earthes. |
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| Keywords: | parasitic circuit one-point-earthing |
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