Distribution circuit breaker a distribution circuit breaker is a device used for overload and short current protection of loads connected to a main distribution device.
配电线路开关配电线路开关是给连接在主配电设备上的负荷提供过载和短路保护的装置。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
为了限制逆变器桥臂直通短路时故障电流的上升率,可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
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。
By analysis and calculation for short circuit current of low voltage motor, kinds and protection methods of short circuit of the low voltage are explained.
通过对低压电动机短路电流分析和计算,说明低压电动机短路的种类和保护方法。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上,提出了一种变压器保护新方案。
This article explains power selection, adjustment and protection of control transformer and calculation method on secondary short circuit current.
阐述了控制变压器功率选择、校验、保护及二次短路电流的计算方法。
Selection of fuses must be carried out according to their use conditions, mainly they are system voltage, rated current, short circuit capacity, protection suitability etc.
熔断器选择必须依据其使用条件来进行,主要有系统电压、额定电流、短路容量、保护配合等。
Internal circuit protection includes short-to-ground, shorted load, thermal shutdown with hysteresis, and crossover current protection.
内部电路保护包括短至地面,负载短路,滞后热关机,和交叉电流保护。
This paper discusses short - circuit protection of low - pressure electric wire in the design of residence electricity, over current protecting and the choice of breaker in the system.
本文论述了住宅电气设计中低压配电线路的短路保护、过负载保护及系统中上下级断路器的选择。
In the paper a technique of the protection setting calculation and the short circuit current calculation for the power supply system is proposed.
本文提出供电系统短路电流及继电保护整定计算的算法。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.
短路故障模型的仿真结果表明机车起动电流和远端短路电流的相似会对直流馈线保护造成影响。
The method is applied in relaying protection calculation, in which the data for short current calculation are generated from actual power network database.
进行了简单的实例分析,该方法已应用在地区电网继电保护整定计算中,由实际电网参数库生成了整定所需的短路计算数据。
Some issues, such as anti-island protection and short-circuit current, are explained. The solution of anti-island protection applying active and passive detections is submitted.
对需要注意的一些事项,如防孤岛保护、短路电流等进行了说明,提出用主动检测法和被动检测法进行防孤岛保护的实施方案。
It is high dense integration, and has function for the over-current or short protection of the driven IGBT. It can also directly drive IGBT module of power with 300a, 600v.
它高密度集成,具有对被驱动IGBT进行过电流或短路保护的功能,可用来直接驱动300a、600v的功率IGBT模块。
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。
Perfect short circuit protection. Current turns to be 0 when short circuit occurs, the charger will not be damaged by long time short circuit.
最完美的短路保护功能,短路电流为零,允许长期短路而不损坏主机;
The new regulators guarantee robustness with cycle-by-cycle current limit, short-circuit protection and thermal shut-down.
新的稳压器具有逐周期电流限制、短路保护和热关机功能,确保了其性能的鲁棒性。
The causes of refusing action of over current protection when the short circuit arises at the beginning of distribution line have been theoretically analysed in this paper.
从理论上分析配电线路出口故障时,电流速断和定时过电流保护拒动的原因,从而阐明电流互感器的响应特性对电流保护有很大的影响,最后提出相应的对策。
The causes of refusing action of over current protection when the short circuit arises at the beginning of distribution line have been theoretically analysed in this paper.
从理论上分析配电线路出口故障时,电流速断和定时过电流保护拒动的原因,从而阐明电流互感器的响应特性对电流保护有很大的影响,最后提出相应的对策。
应用推荐