AN IDEA OF INCREASING THE SENSITIVITY OF MICROPROCESSOR-BASED CURRENT PROTECTION

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- AN IDEA OF INCREASING THE SENSITIVITY OF MICROPROCESSOR-BASED CURRENT PROTECTION
- High VoltageApparatus Issue 1, Pages: 55-56(2002)
- 作者机构：
  
  江苏射阳县供电局江苏射阳,224300
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM774
- Published：2002
- 稿件说明：
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[1]董立天.对提高微机电流保护灵敏度的构想[J].高压电器,2002(01):55-56.

DONG Li tian. AN IDEA OF INCREASING THE SENSITIVITY OF MICROPROCESSOR-BASED CURRENT PROTECTION[J]. High voltageapparatus, 2002, (1): 55-56.
[1]董立天.对提高微机电流保护灵敏度的构想[J].高压电器,2002(01):55-56. DOI：

DONG Li tian. AN IDEA OF INCREASING THE SENSITIVITY OF MICROPROCESSOR-BASED CURRENT PROTECTION[J]. High voltageapparatus, 2002, (1): 55-56. DOI：

小电流接地系统的电流保护灵敏度不高

一直是困扰继电保护工作者的一个问题

笔者依据故障分析的结果

使得微机电流保护在设备发生故障后能够自动识别故障类型

并起用不同保护定值

从而提高电流保护的灵敏度。

The low sensitivity of current protection for non solidly earthed system is always a problem to trouble the relay protection workers. In this paper

the function of microprocessor based current protetion is improved that the fault type is able to be identified automatically

and the suitable setting value can be selected. Therefore

the sensitivity for current protection is increased.

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