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reverse current relay 逆电撂电器
Compressor overloading protector,over charging relay,high/low voltage switch,frost-preventive switch,reverse current switch. 压缩机超载保护、过电流保护、高低压开关、温度开关、防冻开关、逆相保护.
In this mode, the device will limit the output reverse current. 在该模式下,器件会限制输出反向电流。
A semiconductor diode in which the reverse current varies with the intensity of received light. 反向电流随光的照射强度而发生变化的一种半导体二极管。
reversed current relay 反流继电器,逆流继电器
Measured at applied forward current of 10mA, reverse current 1.0mA, Reverse voltage of 6.0 voltage and RL=100 ohms. 测试条件:提供10毫安顺向电流;6伏等逆向偏压与100欧姆负载电阻;并于逆向电流回覆至1毫时量得的时间.
It contains big current relay, and the relay can drive single phase compressor below 3p directly. 内置大电流继电器,可以直接驱动单相3匹以下压缩机。
As each FFU has over current relay unit ,the capacity of switchboard can be reduced. 因为制品已装有过电流继电器，电源开关容量可以降低。
Aluminium material was electropolished with ad dition of additive TA in alkaline solution by periodic reverse current. 采用周期换向电解法,在添加适量添加剂TA的碱性溶液中对铝材进行电解抛光。
Then,the application of evaluative calculation is presented to find optimal coordination of definite time relay and over current relay. 最后指出,演化计算可以适用于继电保护装置整定值最优化的问题。
The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described. 摘要通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。
As each FFU has over current relay unit, the capacity of switchboard can be reduced. Thermal protector, fuse, motor breaker, etc. Can be applied up on request. 因为制品已装有过电流继电器,电源开关容量可以降低。又温度保护器、保险丝、马达断路器等亦可因应需求而设置。
In many circuit, this reverse current does not affect the convert characteristic and so the diode can also be considered as ideal during the turn-off transient. 在许多的电路中，二极管反向电流不会影响换流器特性，因此在关断过程中仍然可以视为理想的。
Aiming at false wiring of negative sequence current relay, analyzes the reason, treatment and second loop grounding unreasonable of maloperation from practice and theory. 针对一起负序过电流继电器误解线的典型事故,对保护误动作的原因、处理方法及二次回路接地不合理等问题,从实践和理论方面进行了深入地分析。
Results of study showed that effect of electropolishing by periodic reverse current wa s better than that by traditional method and direct current-constant voltage. 经研究表明,其抛光效果优于采用传统方法和直流恒压法进行电解抛光的抛光效果,而且其工艺具有操作温度低、溶液使用寿命长及铝材溶解损耗少等优点。
This paper presents a topology configuration of AC&DC reversible convertor which is based upon DSP control, and discusses the method of engineering realization. 提出了一种基于DSP控制的交直流可逆变换器的拓扑结构,探讨了工程实现方法。
This paper introduces the system composition and work principle of DC reversible electromotor which has been modified by SIMADYN-D,the new generation DC control system. 本文介绍了用新一代直流控制系统SIMADYN-D改造的直流可逆电机的系统组成及工作原理,其在轧钢生产中有良好性能和适用性,改造取得良好效果。
Key words: comparators; adjustable threshold voltage; synchronous rectification; reverse currents. 关键词：比较器;阈值可变;同步整流器;输出反向电流
The settings of the over current relay are 过电流继电器整定
The line AB cuts the line DC at the point E. AB线和DC线在E点相交。