power-frequency overvoltage

  • 释义

    工频过电压

数据更新时间:2026-04-19 18:59:58
2、

Field Measurement and Analysis on Very Fast Transient Overvoltage of GIS in Three Gorges Power Plant

三峡电站GIS快速暂态过电压现场试验及分析

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3、

If capacitance go ground is rather large, arc is not easy to go out, thas generating overvoltage because of arc light ground connection and causing power cut and damage to equipment.

如果系统对地电容较大,电弧不易熄灭,从而产生弧光接地过电压,造成停电和设备损坏等事故。

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4、

To obstruct the overvoltage wave which overpasses the power and signal ( inner protection and overvoltage protection);

阻塞沿电源线或数据、信号线引入的过电压波(内部保护及过电压保护);

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5、

Control circuit is taking pulse wide modulation circuit as core. By comparison of given signal and feedback signal of overvoltage, get the width-adjustable pulse signal for regulating output of welding power source so as to realize the colsed-loop control to arc-welding inverter.

控制电路以脉宽调制电路为核心,通过电压给定信号和反馈信号的比较,获得宽度可调的脉冲信号,调节焊接电源的输出,并实现对弧焊逆变器的闭环控制。

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6、

MCR has the capabilities of smooth voltage and power regulation, switching overvoltage suppression, secondary arc c.

而磁控电抗器能平滑调节无功容量, 抑制操作过电压和限制单相故障时引起的潜供电流.

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7、

The cart has overvoltage protecting and power leakage protecting functions.

本收放车具有过压断电保护和漏电保护功能.

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8、

By MATLAB, the transient process of TV in ungrounded power system is simulated, both in normal service or in some kinds of grounding fault conditions. This paper discusses the magnetizing inrush current flowing through TV and the abnormal overvoltage of opened delta-winding.

用MATLAB软件仿真研究了中性点不接地系统中电磁式电压互感器在系统正常和接地故障运行的全过程,分析了TV励磁涌流造成熔丝熔断的规律性及开口三角绕组电压异常的原因。

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9、

A data acquisition system for overvoltage in power system based on ARM and CPLD is discussed.

介绍了一种基于ARM与CPLD的电网过电压采集系统.

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10、

CHEN Wei-xian . Internal Overvoltage in Electric Power System. Beijing: China Industry Press, 1965.

陈维贤. 电力系统的内部过电压. 北京: 中国工业出版社, 1965.

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