Motor CM2Z MCCBs without ground fault protection.
电动机保护用CM 2z无接地故障保护。
This ground fault protection function may be incorporated into a circuit breaker.
这种功能可以一体化设计在断路器上。
The shortage of traditional single-phase ground fault protection principle is pointed out.
指出传统的接地保护原理的不足。
Ground-fault protection characteristic curve, the adjustment step of the setting current Ir4 is 1A.
接地故障保护特性曲线,整定电流Ir4调整步长为1A。
Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
Hence, the stator and rotor ground fault protection play an important role in the protection system of generator.
发电机定子接地保护及转子接地保护是发电机的继电保护系统中的一项重要内容。
The earth fault protection and protective electric devices of TT and TN system and the application conditions were analyzed.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
Typical applications include motor control, load detection and management, power supplies, and overcurrent fault protection.
典型应用包括电动机控制、负载检测及管理、电源和过流保护。
The drawbacks of present stator ground fault protection principle for the small and medium sized generators are pointed out.
指出了现有中小型发电机定子接地保护原理的不足。
Furthermore, based on Lab VIEW virtual instrument technology, the chaotic single-phase-to-ground fault protection is developed.
采用虚拟仪器技术,开发了基于混沌选线方法的小电流接地系统单相接地故障选线仪。
The paper proposes a novel shunt reactors turn-to-turn fault protection that is based on negative-sequence power direction theory.
提出了基于负序功率方向的并联电抗器匝间故障保护原理。
Ground-fault protection of low-voltage systems is a considerable problem because of the presence and nature of low-level arcing ground faults.
接地故障的低电压系统的保护是因为存在和电弧接地故障的低级别的性质相当严重的问题。
This paper introduces a device of 100% grounding fault protection for stator windings of generator by microcomputer and digital filter technique.
本文介绍了利用微机和数字滤波对发电机定子绕组进行100%接地保护的装置。
The unit includes remote error sensing and numerous fault protection features, including continuous short circuit protection (with automatic recovery), output.
每一转换器都具有误差遥测特性和各种故障保护特性,包括连续的短路保护(自动恢复)输出特性。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响,并分别提出了相应的对策和注意事项。
This article analyzes the action principles and structures of Frame Fault Protection and Rail Potential Limitation Device, and proposes a solution to coordinate them.
对框架故障保护和轨电位限制装置保护动作原理、结构进行了剖析,提出了二者之间的配合方案。
Because a single fault protection scheme has poor precision in ground fault detection, information fusion technology is discussed and many selection methods are fused.
由于单一故障选线方法的精确度较低,探讨了信息融合处理技术,将多种选线方法进行了信息融合实现。
The application of these new principles improves the sensitivity and reliability of internal fault protection, and perfects the scheme of generator transformer protection.
这些保护新原理的应用,在保证高可靠性的前提下,提高了内部故障保护的灵敏度,完善了保护方案。
Several different protection ways for earth fault are introduced and discussed from earth-fault protection, zero-sequence protection, residual current protection and other aspects.
介绍了接地故障保护的几种不同方式,从接地故障保护、零序电流保护、剩余电流保护等方面进行了论述,指出只有与等电位联结相结合,才能完善保护作。
The National Electric Code, in Article 690.5, requires that any PV array installed on the roof of a dwelling must incorporate a ground-fault protection device to reduce fire hazards.
《美国国家电气法规》第690.5条规定,安装于住宅楼顶的任何光伏阵列都必须配备接地故障保护器件,以减少火灾隐患。
The utility model relates to a paper feed fault protection device for a print press, which is especially suitable for a paper feed fault protection device for a flat paper offset printer.
本实用新型涉及一种印刷机输纸故障防护装置,尤其适用于平张纸胶印机输纸故障防护装置。
Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.
切换采样转子一点接地保护,通过两个静态开关一开一合建立两组方程来求解接地电阻与位置。
The test results on380V voltage regulator are given, which show that the TVR controller implements well the functions of voltage regulation, fault protection, setting management, display and so on.
同时给出了控制器在380V电压调节器样机上的试验结果。 试验结果表明:设计的TVR控制器能很好地实现调压操作、故障保护、定值设置、显示等功能。
Based on the analysis of the failure mode, this paper put forward the measure for fault protection and pointed out the research direction for developing the reliability of turbine sealing oil system.
通过对失效模式的分析,提出了减少密封油系统故障的有效措施,指出了提高密封油系统可靠性的研究方向。
New principle for feeder grounding fault protection based on zero sequence admittance is presented in this paper. Criterions for the line ground relay with zero sequence admittance are also discussed.
提出了采用测量线路零序导纳进行接地保护的新原理,讨论了直线式导纳继电器的接地保护判据。
If the dump was caused by a protection fault...
如果转储是由保护故障引起……
A modern protection relay offers up to 600 information and fault records with high resolution.
一种现代保护继电器能提供多达600条高分辨率的信息与故障记录。
GTO over current rapid protection by gradation mode and limited protection conditions are studied based on the features of GTO and over current situation under fault state.
基于GTO器件特性和故障状态下gto的过流工况,研究了GTO过流分级快速保护模式和实现方法以及保护的极限条件。
The MG based TBDP scheme has higher reliability and less computational complexity, and provides higher sensitivity together with faster fault response as compared with traditional protection schemes.
与传统保护算法相比,基于MG 的TBDP具有更高的可靠性和较少的计算量,同时具有更快的故障响应能力和更高的灵敏性。
The MG based TBDP scheme has higher reliability and less computational complexity, and provides higher sensitivity together with faster fault response as compared with traditional protection schemes.
与传统保护算法相比,基于MG 的TBDP具有更高的可靠性和较少的计算量,同时具有更快的故障响应能力和更高的灵敏性。
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