It is necessary to prevent induction motors against overload and undervoltage.
必须保护感应电动机，防止过载和欠压。
Feeders located in capital cities must not use voltage Regulators to solve undervoltage problems.
位于省会城市的馈线线路(设备)绝不能使用电压调节装置来解决低电压问题。
The SL version has one function, either undercurrent or undervoltage, with a PDT for signal output.
SL版具有单功能，在低电流或低电压的情况下，信号输出具有PDT。
Undervoltage Lockout Adjust: With this pin left open, the UVLO threshold is internally set to 1.45V.
欠压锁定调整：与此脚左侧打开，UVLO阈值内部设定为1.45伏。
This paper analyzes the voltage characters of isolated grids, and points out the causes of the problems of undervoltage.
本文对孤网运行的电压特性进行分析，指出了孤网运行低压产生的原因。
Internal diagnostics provide comprehensive protection against overloads input undervoltage and overtemperature conditions.
内部诊断提供全面的过载、输入欠压及过温保护。
Intermediate relay is a type of control undervoltage relay which is used to add the amount of control signal or amplify the signal.
在自动化控制系统中采用大量的中间继电器，其工作的可靠性对控制系统工作的可靠性是至关重要的。
The invention relates to electromechanical equipment accessories, in particular to an undervoltage open-phase protection contactor.
本发明涉及一种机电设备配件，具体地说是一种欠压断相保护接触器。
It can provide protection from over current, short circuit, undervoltage, phase failure, leakage lockout, and operation overvoltage.
具有过流、短路、欠压、断相、漏电闭锁、操作过电压等保护。
Any LED system should be able to appropriately track overvoltage, undervoltage, short circuit, open circuit, and thermal runaway conditions.
任何LED系统都应当能够适度跟踪过高、欠压、短路、开路和热逃逸等问题。
Provides automatic defeat of delay on loss of voltage or sustained undervoltage of emergency source, provided normal supply has been restored.
恢复正常供电的前提下，在失压或应急源的持续欠压下提供延迟的自动失效。
The Breaker can be attached with shunt tripping device, undervoltage tripping device, auxiliary contacts, alarm contacts and motor-operated drive.
断路器可以加装分励脱扣器、压脱扣器，辅助触头，报警触头和电动操作机构。
Adopt strict charge to manage the circuit, it can protect with overload, undervoltage, short circuit, etc. output for standard USB power supply interface.
采用最严格的充电管理电路，具有过载，欠压，短路等多重保护，标准usb电源接口输出。
A voltage regulator (10) having an undervoltage protection circuit 11 and a method for protecting against an output voltage out being less than a predetermined level.
一种具有欠电压保护电路(11)的电压调节器(10)和一种用于防范输出电压小于预定的电平的方法。
The electronic control line can be added with multiple protecting circuits, such as the protecting circuits for leakage, undervoltage, phase failure, phase sequence, etc.
电子控制线路根据需要可以增加多种保护功能电路，如：漏电、欠电压、缺相、相序等等保护功能电路。
An undervoltage tripper is a very popular electrical protection device for universal breaker, which will directly affect the normal operation of a breaker if it breaks down.
欠电压脱扣器在万能式断路器上是十分常见的一件电压保护装置，该装置的失效直接影响到断路器的正常运行。
In the layer of air distribution box additional undervoltage trip device, Air-conditioning load after excision of the need to manually reset by the property management sector;
在层空分配电箱增设欠压脱扣安装，空调负荷切除后需由物业管理部分手动复位；
Additional features include an onboard low drop regulator for IC power, programmable soft start, undervoltage lockout, adjustable current limit and output voltage temperature compensation.
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。
Undervoltage Sensing for Each Phase of Normal Source: pickup voltage is adjustable form 85 to 100 percent of nominal, and dropout voltage is adjustable from 75 to 98 percent of pickup value.
正常源每一相位的欠压传感：起始电压可在额定值85 - 100%的范围内调节；回动电压可在始动值75 - 98%的范围内调节。
Undervoltage Sensing for Each Phase of Normal Source: pickup voltage is adjustable form 85 to 100 percent of nominal, and dropout voltage is adjustable from 75 to 98 percent of pickup value.
正常源每一相位的欠压传感：起始电压可在额定值85 - 100%的范围内调节；回动电压可在始动值75 - 98%的范围内调节。
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