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neutral point switch
相关语句
  中性点开关
     Study on Structure and Property of Semiconductive Neutral Point Switch in Safety Technique of Prompt Interruption
     快速断电安全技术中半导体中性点开关结构性能的研究
短句来源
     The structure,working process,and property of existing semiconductive neutral point switch in China are analyzed.
     对我国目前半导体中性点开关的结构 ,工作过程 ,性能进行了分析 ;
短句来源
  相似匹配句对
     The Analysis of Neutral Point Forming Transformer
     中点形成变压器的分析
短句来源
     CORRECT UNDERSTANDING OF THE PIPE-STRING NEUTRAL POINT
     正确认识管柱“中和点”
短句来源
     M a point on C;
     C→C ̄*是等距映射使;
短句来源
     Extreme Point of f(x) and f~n(x)
     连续函数f(x)与{f(x)}~n的极值
短句来源
     Neutral doctrism
     中性主义
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The structure,working process,and property of existing semiconductive neutral point switch in China are analyzed. The main problems of the existing switches are unreasonable circuit topological structure; the turn-off time is either too long or too short. If the turn-off time were too long, the switch would not meet the requirement of the safety technique of prompt interruption. If too short, it would cause over-voltage making the switch out of control. A feasible semiconductive neutral...

The structure,working process,and property of existing semiconductive neutral point switch in China are analyzed. The main problems of the existing switches are unreasonable circuit topological structure; the turn-off time is either too long or too short. If the turn-off time were too long, the switch would not meet the requirement of the safety technique of prompt interruption. If too short, it would cause over-voltage making the switch out of control. A feasible semiconductive neutral point switch scheme, which is formed by Isolated Gate Bipolar Transistor, is presented. Moreover, it is pointed out that developing new safety technique device of prompt interruption will promote safety technique level of coal mine in China.

对我国目前半导体中性点开关的结构 ,工作过程 ,性能进行了分析 ;现行中性点开关所存在的问题为电路拓扑结构不合理 ,关断时间过长或过短 ,过长不满足快速断电安全技术的要求 ,过短又易引起过电压 ,使中性点开关失控。笔者提出了采用绝缘门极双极性晶体管 (IGBT) ,构成半导体中性点开关的可行方案。同时指出 ,开发新型快速断电安全技术装置 ,将大大提高我国煤矿安全技术水平

The paper introduced the present status of the mine electric leakage protection devices in China The rapid power cut off technology is an important measure to protect a mine safety power supply and the mine personnel safety The paper had a detailed introduction on the three main circulations of the rapid electric leakage protection technology The three main circulations are the rapid electric leakage sampling,rapid power cut off instruction and rapid power cut off action The paper provided the IGBT as the semi...

The paper introduced the present status of the mine electric leakage protection devices in China The rapid power cut off technology is an important measure to protect a mine safety power supply and the mine personnel safety The paper had a detailed introduction on the three main circulations of the rapid electric leakage protection technology The three main circulations are the rapid electric leakage sampling,rapid power cut off instruction and rapid power cut off action The paper provided the IGBT as the semi conductive neutral point switch.

阐述了煤矿井下漏电保护装置的现状,并说明实施快速断电技术是保证煤矿井下安全供电和防止人身触电的一项重要措施;详细介绍了快速漏电保护技术的三个主要环节:快速漏电取样,快速断电指令形成及快速断电执行开关;提出了采用IGBT作为半导体中性点开关。

 
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