They must take the appropriate protective measures in order to avoid over-voltage and over-current generated by the transmission lines of communications equipment and personnel hazards.
因此必须采取适当的保护措施以避免因过电压及其所产生的过电流对传输线路、通信设备和人员造成的危害。
Over-voltage and under-voltage protection is implemented by hardware and over-current protection is by MC33035 component inside protective function.
其中过压欠压保护是利用硬件电路实现； 过流利用电机控制器MC33035自身的过流检测保护功能；
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
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。
The reliability of power supply is improved by using over-current and over-voltage protecting circuit.
设计的过流、过压保护电路，有效地提高了电源的可靠性。
The Device has integrated over-current protection, over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components.
这个器件集成了过流保护、过温保护和U掉压关断的功能，可以不需外转器件实现保护解决方案。
With fixed frequency control circuit, it provides with over voltage, over current, overheat and short circuit protection.
该系列电源适配器，采用固定频率控制电路，具备限流、限压、过温、短路全功能保护。
The ARD has perfect performance on short circuit, Over current and over voltage protections.
电梯自动救援装置输出具有超强的短路、过流、低压保护。
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.
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。
The power supply has the functions of IGBT driver, over-voltage protection, over-current protection, over-heat protection and fault locking.
该电源采用了IGBT模块构成的半桥逆变电路，它具有IGBT驱动、过压、过流、过热保护及故障锁定功能。
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.
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 current mode PWM controller UC1845 integrated with over current protection and over voltage protection, has a quicker dynamic response.
电流控制型PWM控制芯片uc 1845集成过压、过流保护功能，脉冲频率高，驱动能力强，动态响应迅速。
Soft start, short circuit protection, over-voltage protection, overload protection, over temperature protection, constant current.
软起动，短路保护，过压保护，过载保护，过热保护，恒流。
This generator also has functions as over voltage, over current and protecting water pressure lacking.
设备具有过电压、过电流、欠水压保护功能。 。
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.
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。
This paper studies the reason of over voltage, over current, over hot fault of capacitor group and measure to prevent from faults.
分析了并联电容器组过压、过流、过热故障的原因及防范措施。
The chip has under voltage protection, over voltage protection, over temperature protection and cycle-by-cycle current limit.
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。
Products all have sound overcharge, over discharge, over-temperature, over current, over voltage protection functions such as stable performance, safe and reliable.
生产的产品均具备完善的过充，过放，过温，过流，过压保护功能，性能稳定，安全可靠。
In protect circuit, the paper bring forward to many protective measures such as over-current, over-voltage.
在保护电路中，本文提出了较为全面的过流、过压及过热等保护措施等方案。
The principle and application of three new protection ICs including active EMI filter, over voltage protection IC and over current protection IC are introduced.
介绍了3种新型保护器件的原理与应用，包括有源电磁干扰(emi)滤波器、集成过电压保护器件和集成过电流保护器件。
Effective measures of over-current, over-heat, and over-voltage protections are also presented.
同时还介绍了过流、过热、过压保护等有效措施。
The system adopted some over-current, over-voltage protection and current cut-off feedback circuits to improve systems reliability.
过 压保护和电流截止负反馈等电路来提高运行可靠性。
The protection functions include three-section over-current protection, inverse-time over-current protection, three-phase one-shot no-voltage auto-recloser and so on.
保护功能有三段过电流保护、反时限过流保护、三相一次检无压自动重合闸等。
It possess complete protection functions over short circuit, over current, under voltage. etc.
具备短路、过流、欠压等完备的保护功能。
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。
What's more, the system gets designed with over-current, over-voltage and under-voltage production to ensure it operates smoothly, effectively and efficiently.
为了保证系统安全有效地运行，系统还做了过流、过压、欠压保护的设计。
With the perfect protection functions in over voltage, under voltage, over heat, over current, over load, safe and reliable...
具有完善的过压，欠压，过热，过流，过载自动保护功能，安全可靠。
With the perfect protection functions in over voltage, under voltage, over heat, over current, over load, safe and reliable...
具有完善的过压，欠压，过热，过流，过载自动保护功能，安全可靠。
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