当电机负载过载或堵转时，采用电流截止负反馈环节可保护电机和驱动器；
Motor and inverter can be protected by the current cut-off negative feedback when motor is overload or locked-rotor.
当电路出现故障使回路电流增大时，过载保护PT C热敏电阻的电阻值因自热温升而出现阻值阶跃，直至把电路切断。
When the circuit breaks down and the return circuit current increases, the resistance of restricting overloading protection PTC Thermistor goes up sharply for being warm, until the circuit is cut off.
它提供了一个48伏直流冗余电源输入设计，配备了双重保护机制：电源极性反转和过载电流自恢复保险丝。
It offers a 48 VDC redundant power input design and is secured with a double protection mechanism; power Polarity Reverse and an Overload Current Resettable Fuse.
电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
轧制力矩过大是轧机主传动系统传动轴断裂的主要原因，传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。
The breakdown of transmission shaft in the main drive system is due to too high roll torque. Overpower protection mode of motor current does not reflect the true dynamic character of roll torque.
并联跳闸装置- - -一旦控制装置监测到故障发生或电流过载，将自动切断所有连接热水器的所有电源，最大限度保护热水器。
Shunt trip disconnecter - provides maximum protection by interrupting all power to the system in the event of a control sensed malfunction or overcurrent.
在高温、高电流运行的情况下，单相电机都受到一个内置式、自动重置热过载保护装置的保护。
Single phase motors are protected against both high operating temperatures and high current by a built in, automatically resetting thermal overload.
过载保护：在1.2倍额定电流时启动，采用反时限特性动作；
Overload protection:Start at 1.2times of rated current, adopt inverse time lag characteristic action;
JRT型热过载保护器临界电流检测仪采用多受检器件串联及电子变换检测线路，提高了保护器大规模生产的效率和检测的准确度。
A number of detected electric elements are series and an electronic detective circuits are adopted in the critical current detector for JRT thermal overload protector.
系统着重考虑了过载电流保护和短路电流保护。
Overload current protection and short circuit current protection are considered especially in this paper.
船舶发电机组过载保护试验、并车试验、逆功率和逆电流保护试验；
Overload protection, and vehicle test, reverse power and reverse current protection test for marine generator.
在充电过种中若充电电流太大或充电电压过高引起机器过载时，本机的过载保护会将输出断开，待过载解除后，自动恢复。
If the charge voltage of current is too high and cause overload, the function of overload protection can cut off output power . It may resume automatic after release from overload.
无熔丝开关，压缩机超压，过热，过电流保护超温保护，风机过载保护，保险丝，干烧保护器，缺水保护。
No fuse breaker, over pressure, over heat and over current protectors for compressor, over temp. protector, over load protectorof fan, dry heat pr techto.
介绍了一种利用电动机正、负序等效电流实现电动机热过载保护的方法，给出了保护动作的数学模型、离散算法及其计算机实现方法。
A thermal overload inverse time equation that is quite close to the real thermal locus of motor and its implementation method are proposed based on the thermal characteristic of motor.
△电流过载自动保护，变压器、UV灯超温报警自动保护。
Over-current automatic protection, super-temperature protection for transformer and UV lamp.
△电流过载自动保护，变压器、UV灯超温报警自动保护。
Over-current automatic protection, super-temperature protection for transformer and UV lamp.
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