Discharge tubes are mainly used for over-voltage protection.
放电管主要用于过压防雷保护。
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
其基本保护采用零序过电压保护，动作时间采用反时限特性；
This text introduces an structure simple, performance steady and output over-voltage protection circuit.
文章介绍一种结构简单、性能可靠的输出过压保护电路。
Besides, this chip has built in the functions such as over-voltage protection, under-voltage protection and soft start.
此外，芯片还集成了过压保护、欠压保护和软启动多种功能。
The system adopted some over-current, over-voltage protection and current cut-off feedback circuits to improve systems reliability.
过 压保护和电流截止负反馈等电路来提高运行可靠性。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
The urgency of strengthening lightning and over-voltage protection of telecontrol equipment is expounded with specific measures presented.
阐述了加强远动设备防雷及过电压保护的紧迫性，并提出了具体的防护措施。
The power supply has the functions of IGBT driver, over-voltage protection, over-current protection, over-heat protection and fault locking.
该电源采用了IGBT模块构成的半桥逆变电路，它具有IGBT驱动、过压、过流、过热保护及故障锁定功能。
By employing the invention, the reliability of the over-voltage protection circuit, the source, the source system, the electronic device is improved.
采用本发明，提高了过电压保护电路、电源、电源系统以电子装置的可靠性。
It also discusses the problems universally existing in the over-voltage protection system of the similar mode at present time and puts forward the plan of solution.
介绍此类过压保护系统中目前普遍存在的问题及其解决方案。
According to the practical situation of Qiaogong Hydropower project, the main design problem of over-voltage protection and technical measures taken were expounded in this paper.
介绍了桥巩水电站过电压保护的主要设计问题以及采取的技术措施。
The Metal ZnO Arrester (MOA) are important over-voltage protection device. They are widely used in electric power system due to their excellent nonlinear and high surge absorbing capability.
氧化锌避雷器(MOA)是一种重要的过电压保护电器，由于它具有优越的非线性与保护性能而在电力系统中得到了广泛的应用。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
But from the constitute the whole a complete good protection of circuit's perspective, or in the each rails from over-voltage protector installed a set of lines way better.
但从对线路构成整个较完整的良好保护的角度出发，还是以每一个间隔档距均安装一组线路过电压保护器的方式更好。
When the voltage on the feedback resistance over the designed value, the inside protection circuit was operated and the output channels were cut in IR2132 to achieve current protection.
电流在反馈电阻上产生的电压超出设定值时，IR 2132启动内部保护电路，关断输出通道，实现电流保护。
Finally, with the capacitor protection and the over voltage protection as an example, a model for the equipment and the function in the IEC 61850 protection is developed.
详细阐述了该类保护装置的硬件设计方法和实现形式，并以电容器保护装置为例，初步建立了装置的IEC 61850设备模型。
The schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .
其原理包括参考电压电流电路，2.7V及1.8V电压调整电路，过流保护电路以及低压检测电路四个部分。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
串混型SPD是铁路信号系统过电压防护的新用法。
An intelligent electric scooter controller with P87LPC768 MCU has functions against over current, lower voltage, pot and brake faults protection against open or shorted wires.
研制以P 87lpc768单片机为核心的电动代步车智能控制器，具有过流、欠压保护及调速电位器、和刹车故障保护及报警功能。
With fixed frequency control circuit, it provides with over voltage, over current, overheat and short circuit protection.
该系列电源适配器，采用固定频率控制电路，具备限流、限压、过温、短路全功能保护。
The over Voltage protection should be tested at other load rating.
过压保护测试是在其它定额负载时测试。
Features: use cross voltage pulse energy storing capacitance, PLC programming, over-voltage automatic protection, manual and automatic operation.
特点：采用交压胶冲储能电容，PLC程控，有过压自动保护和手动、自动操作。
A high reliability smart power VDMOSFET of high voltage with over current protection by oneself is descrital in the peper.
本文介绍一种高可靠的具有自动过流保护的智能高压大功率VDMOSFET，已研制出了漏源击穿电压大于200V；
Protection equipment power supply system from lightning over-voltage, power grid fluctuations, operating over voltage, electrostatic discharge, etc.
保护设备电源系统免受雷击过电压、电网波动、操作过电压、静电放电等造成的损害。
Intelligent protection of the use of 12-24v car or ship power, the lamp has a protective voltage point, can effectively protect the damaged car battery due to over discharge.
智能保护使用12- 24v汽车或船舶电源时，该灯设有过放保护电压点，可有效保护因过放电而损坏汽车电池。
The over-load protection technology is an indispensable constituent of the low-voltage apparatus intellectualization, ensuring the electric motor and the distribution line safe operation.
过载保护技术是低压电器智能化技术的重要组成部分，是保证电动机、配电线路安全运行的重要技术。
Schematic circuits of rectifier and filter, assistant power, over voltage protection, and charge control for storage battery are suggested , their working principle are also discussed.
同时给出了整流滤波电路、辅助源电路、过压保护电路、蓄电池的充放电控制电路的电原理图及其工作原理。
The Device has integrated over-current protection, over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components.
这个器件集成了过流保护、过温保护和U掉压关断的功能，可以不需外转器件实现保护解决方案。
The Device has integrated over-current protection, over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components.
这个器件集成了过流保护、过温保护和U掉压关断的功能，可以不需外转器件实现保护解决方案。
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