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- This paper introduces the design proposal of a new-type DC current tester,and expounds the circuit principle and design of the new-type DC current tester. 简单介绍了新型直流电流测试仪的设计方案,详细阐述了新型直流电流测试仪的电路原理及设计。
- DC current tester 直流电流测试仪
- In many applications a fluctuating DC current is undesirable. 在许多应用场合，波动的直流电是讨厌的。
- Features: Low VCE(sat),excellent DC current gain characteristics. 特点:饱和压降低，极好的直流电流增益特性好。
- Features: Low saturation voltage, high DC current gain. 特点:饱和压降低；直流电增益高。
- Features: Low VCE(sat), excellent DC current gain characteristics, wide SOA. 特点:饱和压降低,极好的直流电流特性,宽阔的安全工作区。
- It stores electric energy in the magnetic filed generated by DC current flowing through a coiled wire. 直流电流流过一绕结线圈,将电能储存于磁场中。
- Features: High DC current gain and excellent hFE linearity,low saturation voltage. 特点：直流电流增益高，放大线性好,饱和压降低。
- Features: High DC current gain, excellent hFE linearity, low saturation voltage. 特点:直流电流增益高，放大线性好，饱和压降低。
- Features: High DC current gain),low VCE(sat),large collector power dissipation,wide SOA. 特点:直流电流增益高,饱和压降低,集电极耗散功率大,,安全工作区宽。
- Features: Low VCE(sat),excellent DC current gain characteristics, complements the 2SD2118(3DG2118). 特点:饱和压降低,极好的直流电流增益特性，与2SD2118(3DG2118)互补。
- Features:High DC current gain and excellent hFE linearity，low saturation voltage. 特点：直流电流增益大,放大特性好,饱和压降低。
- Features: High DC current gain, low saturation voltage，high col lector power dissipation. 特点:高直流电增益,饱和压降低,高集电极耗散功率。
- Developing of Intelligent Stray Current Tester 智能型杂散电流测试仪研制
- The action of the diode appears similar to the operation of a "diode-switch", which acts as a signal path when forward biased with some DC current. 二极管的作用看来相似操作"二极管开关"就象在前进道路上的信号与一些偏颇直流。
- Since the DC current on each side is the same, the effective DC in the transformer core is cancelled, so there is no need to provide for a large DC component. 因为两臂的直流电路相等而方向相反，所以在变压器铁心中有效直流磁通是互相抵消的，所以不再需要巨大的直流元件。
- SMES systems are based on the energy storage in form of DC current in the wires of a resistance-free superconductor coil. SMES系统是以直流电流形式将电能储存于无电阻的超导圈中为基础的。
- Liquid crystal must be driven with periodic polarity inversions, because a dc current will stress the crystal structure and ultimately deteriorate it. 液晶必须用周期性的极性翻转信号来驱动，因为直流电流会给液晶结构带来应力，并最终使之损坏。
- The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo, the DC current flows into the stator circuit to realize dynamo braking. 能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
- Widey applied in Chlorine,Alkail,Al,Mg,Cu,Mn,electrolytic water,graphitization,siliconcar-bonization and DC are furnace.in which tremendous DC current is required. 广泛使用于氯;碱;铝;镁;铜;锌;镍;电解水;石墨化;碳化硅;及直流电弧炼钢等行业需要强大直流电源的场合.
