Flow diagrams of algorithm for inverse time current protection and instantaneous over current protection were give…
给出了长延时和瞬动二段保护的算法流程。
A high reliability smart power VDMOSFET of high voltage with over current protection by oneself is descrital in the peper.
本文介绍一种高可靠的具有自动过流保护的智能高压大功率VDMOSFET,已研制出了漏源击穿电压大于200V;
Flow diagrams of algorithm for inverse time current protection and instantaneous over current protection were given as well.
给出了长延时和瞬动二段保护的算法流程。
The whole circuit includes Dynamic Self-Supply (DSS) circuit, over current protection circuit and temperature shutdown circuit.
并具有动态自供电、过流保护、过温保护等功能。
This paper focuses on the working principle of limiting current and over current protection method in a silicon controlled rectifier.
文中重点介绍可控硅整流装置中限流保护方案的工作原理。
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。
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。
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。
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。
It has accurate stabilivolt function and anti interference capacity, also has over current protection function, and takes an important role for guaranteeing long power lifespan.
具有良好的稳压精度和抗干扰能力,同时具有过流保护功能,对保障电源使用寿命起到至关重要的作用。
The packaging materials and processes of positive temperature coefficient (PTC) devices made up of the composite of polyethylene and carbon black(PE/CB) for over current protection were studied.
用环氧和有机硅树脂涂料对由聚乙烯/炭黑(PE/CB)制备的正温度系数(PTC)电路保护元件的表面处理及其工艺进行了研究。
GTO over current rapid protection by gradation mode and limited protection conditions are studied based on the features of GTO and over current situation under fault state.
基于GTO器件特性和故障状态下gto的过流工况,研究了GTO过流分级快速保护模式和实现方法以及保护的极限条件。
Over-current protection device, ensuring reliable protection.
设有过电流保护装置,保护可靠。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
An intelligent electric scooter controller with P87LPC768 MCU has functions against over current, lower voltage, pot and brake faults protection against open or shorted wires.
研制以P 87lpc768单片机为核心的电动代步车智能控制器,具有过流、欠压保护及调速电位器、和刹车故障保护及报警功能。
Its application was widely, which can realize low cost running and protection, such as over current, over load and phase breaking.
还可实现电动机的过流、过载、缺相等多种保护以及轻载节能运行,应用非常广泛。
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.
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。
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 schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .
其原理包括参考电压电流电路,2.7V及1.8V电压调整电路,过流保护电路以及低压检测电路四个部分。
The circuit, with over-current protection of output transformer original side average current and side peak current, adopts pulse transformer coupling MOSFET driving circuit.
该电路采用脉冲变压器耦合MOSFET管驱动电路,具有输出变压器原边平均电流和副边峰值电流的过流保护功能。
The validity check of zero-sequence operating direction for transformer directional over-current protection is also essential.
另外还需要进行变压器零序方向过电流保护动作方向正确性的检查。
In order to maintain convenient, over-current protection is generally used with automatic recovery of the protector.
为了维护方便,过流保护一般都采用有自动恢复功能的保护器。
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。
Protection must be provided, such as a magnetic starter, for all types of motion generators with over-current protection heaters sized to the full load amps.
必须为各型安装功率为满负荷安培的过流保护加热丝的运动发生器,提供类似电磁启动器之类的保护。
The article introduces demands for sensitivity of the over-current protection in power network and also deals with the measurements to improve the sensitivity.
主要介绍对供电系统中过电流保护装置灵敏度的要求,以及提高过电流保护装置灵敏度的措施。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
Introduction was made to a new kind of molded case circuit breaker over-current protection system.
介绍了一种新型塑料外壳式断路器的过电流保护系统。
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。
Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.
另使用了一限流型过流保护电路来对输出电流进行限制,并通过改变电流取样电阻的大小来调节限流值的大小。
Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.
另使用了一限流型过流保护电路来对输出电流进行限制,并通过改变电流取样电阻的大小来调节限流值的大小。
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