集成过电压保护,控制和输出侧。
Integrated overvoltage protection for both control and output sides.
冲击电压保护器。可指定冲击电压保护器的类型。
并详细介绍了作者设计的一种过电压保护接地装置。
An earthing device of overtension protection will be introduced.
主要用于低压单相电源系统电子电器设备的过电压保护。
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
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;
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
计算结果表明,过电压保护器的密度增加,感应过电压降低。
Calculation results show that the density of over-voltage protector increase, reduce the induced over-voltage.
因此,作为失步保护后备的低电压保护也应具有反时限特性。
Thus, low voltage protection devices, served as lock-out protection reserve will also have characters uf inverse time-lag.
过电压保护器可以大大降低附近雷击感应电压导致的闪络率。
Over-voltage protector can be greatly reduced near lightning flashover rates caused by induction voltage.
图4电路只需要一对外部器件,用SSR实现输出过电压保护。
The circuit in Figure 4 requires only a couple of external components to use an SSR for output-overvoltage protection.
本文主要研究了TCSC的装置特性和主动过电压保护及其控制。
This dissertation focuses on the characteristics of TCSC installation, active overvoltage protection and control.
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。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
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。
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.
确定了过压保护的重要元件MOV的过电压保护水平和最大允许能耗。
Overvoltage protection level and maximum allowable energy dissipation of MOV are ascertained.
从法国进口的300MW发电机转子存在匝间短路和过电压保护问题。
Rotors of 300mw generators imported from France are afflicted by problems concerning short circuit between windings and overvoltage.
在市场方面,可以面对国 内外广泛的公司工厂或个人用电器的电压保护。
In the market aspect, the power source protecting device is applicable to the voltage protection of the extensive power equipment of companies, factories or individuals at home and abroad.
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 urgency of strengthening lightning and over-voltage protection of telecontrol equipment is expounded with specific measures presented.
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。
By employing the invention, the reliability of the over-voltage protection circuit, the source, the source system, the electronic device is improved.
指出该系统具有自诊断功能、系统故障自动隔离功能、抗雷击和过电压保护功能。
It is pointed out that this system has the function of self diagnosis, the system fault automatic isolation function, the anti lightning and overvoltage protection function.
对我公司高压电机的低电压保护现状进行分析,指出存在的问题,并提出改进意见。
The article gives the analysis about the present low-voltage protection of high-voltage motor, sets forth the existing problems and brings out the proposal for improvement.
通过对真空断路器操作过电压成因的阐述,探讨小水电领域内常用的过电压保护设备。
This paper presents the reasons leading to switch overvoltage for vacuum circuit breaker, and then discusses the usual overvoltage protection device in the small hydropower station.
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。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
大多数微机用户购买浪涌电压保护器,一种将计算机与壁装电源插座的电源分开的设备。
Most microcomputer users buy a surge protector, a device that separates the computer from the power source of the wall outlet.
输电线路电流保护和电压保护分别作为电力系统保护原理和手段之一,是十分重要的保护类型。
Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.
金属氧化物避雷器作为电力系统过电压保护的主要电器,其保护特性非线性电阻片的残压决定。
As the main appliance for overvoltage protection in electric system, the characteristic of Metal Oxide Surge Arresters (MOA) is decided by the unit residual voltage of non linear resistance.
整个装置通过了全面的实验验证,实验结果表明装置能够准确的实现各种电流、电压保护和各种告警功能;
The device has passed the total experimental validation. Experiment result shows that this device completes the exact current protections, voltage protections and alarms.
一种具有欠电压保护电路(11)的电压调节器(10)和一种用于防范输出电压小于预定的电平的方法。
A voltage regulator (10) having an undervoltage protection circuit 11 and a method for protecting against an output voltage out being less than a predetermined level.
提出采用线路避雷器是提高输电线路耐雷水平的一个重要措施。同时提高了安装杆塔的大气过电压保护水平。
The application of line surge arrester is an important measure to enhance the lighting withstand level and atmospheric overvoltage protection level of electric transmission line.
对此,结合实例进行了分析,并提出了根据实际综合考虑的分级绝缘变压器中性声、过电压保护的有效方式。
However, the performance of this protective mode is not satisfactory. Based on operational examples, analysis on such mode is conducted and suggestions in view of different conditions are presented.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
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