WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
充电器应发出警报信号后没有任何一方发起一个欠压继电器或零充电电流继电器。
The charger shall give an alarm signal upon failure initiated by either an under-voltage relay or a zero charging current relay.
设备具有过电压、过电流、欠水压保护功能。 。
This generator also has functions as over voltage, over current and protecting water pressure lacking.
同时该芯片具有电源欠压保护、输出过压保护、过温保护和每个周期的电流限制等功能。
The chip has under voltage protection, over voltage protection, over temperature protection and cycle-by-cycle current limit.
通过LED显示器显示电压、电流、电度的实时值，当过压30%、过流30%、欠压30%时进行声光报警，并能通过串行口结合有关通信协议，实时与管理计算机进行通信实现远程户外抄表。
The functions are LED displaying, alarming when 30% over-current, over-voltage and under-voltage occurring, and communicating with the management computer through the series port with some protocols.
提出了一种能够自产生基准电压和偏置电流，并且锁定阈值电压和迟滞量稳定的新型欠压锁定电路。
A novel under-voltage lockout circuit is proposed which could generate reference voltage and bias current itself, and could stabilize lockout threshold voltage and hysteresis quality.
内部电路保护包括滞后热关机，欠压锁定(uvlo)和交叉电流保护。特别功率提升排序。
Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout (UVLO) and crossover-current protection. Special power-up sequencing is not required.
该系统解决了电动机启动中电流过大的问题，并且实现电动机的过压、过流、欠压等各种故障的数字显示。
The device can solve the problem of over current in electromotor start up process, and has the digital displaying of fault such as under voltage, over voltage and over current, etc.
内部电路保护包括滞后热关机，欠压锁定(uvlo)和交叉电流保护。
Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout (UVLO) and crossover-current protection.
其他特点包括用于IC电源的内置低压差稳压器、可编程软启动、欠压闭锁、可调电流限制和输出电压温度补偿。
Additional features include an onboard low drop regulator for IC power, programmable soft start, undervoltage lockout, adjustable current limit and output voltage temperature compensation.
输入缺相，输入欠电压，直流过电压，过电流，过载，电流失速，过热，外部干扰等。
Input out-phase, Output out-phase, input under-voltage, DC over-voltage, over-current, over-load, current stall, over-heat, external disturbance.
输入缺相，输入欠电压，直流过电压，过电流，过载，电流失速，过热，外部干扰等。
Input out-phase, Output out-phase, input under-voltage, DC over-voltage, over-current, over-load, current stall, over-heat, external disturbance.
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