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Built-in over heat protection and high voltage protection. 过热保护,过压保护。
Export of medium voltage protection relays and energy meters. 出口中级电压带保护继电器和累计式瓦特表。
Advanced infrared liquid level control system and voltage protection device make operating simple and safe. 先进的红外线液位控制系统和压力保护装置,使操作简单,安全可靠。
Exchange non-clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard,vacuum switch etc. 交流无间隙金属氧化物避雷器，适用于变压器、配电屏、开关柜、真空开关、输电线路、电力计量箱、并联补偿电容器、旋转电机等电压保护。
And also, it has many other functions include islanding detection and avoiding, over voltage protection, over current protection and so on. 此逆变器还具有其他功能，包括孤岛效应，过电压欠电压保护，过流保护等等。
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。
Over voltage protection: It means the voltage of the protected circuit is higher than set value. 过压保护:指被保护线路电压高于设定值。指示灯形式为:黄灯亮;
Protective circuits with multilevel, low voltage protection level and excellent capability of safety. 采用多级保护电路，残压水平低，保护性能好；
Application Area Be lit for hospital, school, bank, state, etc. Be used in surge voltage protection for electronic equipment and low voltage distrbution system, such as telecommunication, intelligent building, airport, factory, power, railway, etc. 适用范围适用于医院、学校、银行、政府等场所;适用于电信、智能建筑、机场、工厂、电力、铁路竺低压配电系统的过电压及高压静电的防护。
Application Area Be used in surge voltage protection for electronic equipment and low voltage distribution system, such as telecommunication, intelligent building, airport, factory, power, railway, etc. 适用范围适用于电信、智能建筑、机场、工厂、电力,铁路等低压配电系统的过压及高压静电的防护。
Connection method includes single star and double star, relaying protection method includes open delta voltage protection, differential current protection, differential protection, neutral unbalance current protection etc. 接线方式有单星或双星接线,继电保护方式有开口三角电压保护、差流保护、差压保护、中性点不平衡电流保护等几种形式。
Current designs include electromagnetic induction heating safety protection, voltage protection, temperature protection, transient suppression circuit, surge suppression circuit, fuse selection and EMC design information. 电磁感应加热安全性设计包括电流保护、电压保护、温度保护、瞬态抑制电路、浪涌抑制电路、熔丝选择及电磁兼容设计等内容。
Their purpose is to protect equipment such as transformers and switchgear from damage; the voltage protection level would be of less importance than its ability to dissipate the charge to earth. 其作用是保护诸如变压器及开关器具免遭损坏，因此，其对地泄流的能力要比电压保护水平重要。
It has accurate signal gather,the designed of specialized anti-electromagnetism interference,over electric flowover voltage protection;which can guarantee stability run of the system. 高精度信号采集，专门的抗电磁干扰设计，内部过流过压保护，确保系统的稳定可靠运行。
Whole protection（short circuit protection，over current protection，over voltage protection，under voltage protection，polarity confusion protection，anti-islanding protection，thunder protection）. 具有完善得保护功能(过压、欠压、过流、短路、反接、防孤岛效应、防雷等保护措施)。
Under voltage protection: It means the voltage of the protected circuit is lower than set value. In this case, the yellow indicator light will be lighted. 欠压保护:指被保护线路电压低于设定值。指示灯形式为:黄灯亮;
Its voltage has not been exceeded. 它的电压没有超过。
She subscribes to an animal protection society. 她捐款给一个动物保护协会。
Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability. 介绍了配电变压器低压保护的组成,对故障原因进行了分析,提出了提高低压保护可靠性的具体措施。
We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。