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- field current relay 励磁电流继电器
- 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。
- 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。
- 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。
- Adjustment of the field current can be made manually by an operator, or automatically by a generator voltage regulator. 励磁电流可由运行人员手动调节或由发电机电压调节器自动调节。
- An auxiliary generator used to provide field current for a larger generator or alternator. 励磁机为别的发电机或电动机提供产生磁场用的电流。
- 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。
- How much is the rating of the excitation system above that of the generator field current? 励磁系统的电流额定容量比发电机磁场电流容量高多少?
- The field current required to produce a constant voltage at the generator terminals varies over a wide range for various loads and power factors. 稳定发电机端电压所需要的励磁电流,因负荷和功率因数的不同,其变化范围很大。
- But the nonlinear relationship among field current, armature current, torque and speed makes the realization of the coordinate control difficult. 但电机中励磁电流与电枢电流、转速和转矩的非线性特性使协调控制实现困难。
- The 80c196 single-chip computer adjusts the output of PWM(pulse width modulation) to control the field current of the generat. 通过调整PWM输出来控制发电机的励磁电流,达到稳定发电机的输出电压、输出电流和限流充电的目的。
- The output of PWM(pulse width modulation)was automatically adjusted by TL494 to control the field current of the generator,which accomplished stabilizing output v. 通过TL494自动调节PWM输出控制励磁电流,达到稳定发电机输出电压、输出电流和限流充电的目的。
- The testing results show vehicle magnetic powder clutch connection satisfies the requirements of vehicle different starling conditions by means of its field current control. 通过控制励磁电流能够使车用磁粉离合器的接合较好地满足不同车辆起步工况的要求；
- An equipment providing the field current of a machine, including all regulating and control elements, as well as field discharge or suppression equipment and protective device. 提供电机磁场电流的设备，包括全部调节和控制元件，以及磁场增加或减少的设备和保护装置。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- The settings of the over current relay are 过电流继电器整定
- induction type over current relay 感应式过流继电器
- Focused on the non-linear control of magnetic powder clutch equipped in power split automatic transmission during vehicle starting, fuzzy control technology was applied to define initial field current and its change slop of magnetic powder clutch. 针对车辆起步过程中,功率分流式自动变速器中磁粉离合器控制过程的非线性性,应用模糊控制技术,确定车辆在起步过程中磁粉离合器的励磁电流初始值及电流变化率。
- Leakage Current Relay Based on PIC Single Chip 基于pic单片机技术的漏电继电器
