• 设计整个系统必须电流限制断路作为保护要求主要驱动力

    The entire system must be designed with current limiting breakers as key driver of the protection requirements.

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  • 电容短路情况下电阻限制电流的大小。

    The resistor limits the current in case the capacitor becomes shorted.

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  • 个较好的解决方法断路进行电流限制时,上升的漏电电流做出较早迅速的反应。

    A superior solution is one in which breakers are current limiting by responding early and quickly to an increasing fault current.

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  • 电阻(R)必须足够限制流过二极管电流,使之不会损坏二极管。

    The resistor (r) must be large enough to limit the current through the diodes to prevent damage to the diodes.

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  • 电阻R用来限制流过二极管(D1D2电流

    The resistor (R) is used to limit the current through the diodes (D1 and D2).

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  • 电阻RL电流限制电阻用来保护开关静电计不受电流的损害。

    The resistors (RL) are current limiting resistors used to protect the switches and electrometer from high current.

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  • 启动可以限制感应电机起动电流动转矩减少电机起动过程电网的冲击,延长电气设备和机械结构的使用寿命。

    Soft-starter can limit the start current and torque of the induction-motor, reduce the influence to the power circuit in the starting process, and prolong electrical equipments' working life.

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  • 故障电流限制提供了另外一种解决方案

    A fault current limiter offers an alternative in such case.

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  • 单位功率因数整流利用瞬时比较法控制电源电流,不但控制简单可有效限制最高开关频率

    The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.

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  • 线性双折射效应限制光学电流传感实用化关键因素

    Linear birefringence effect is the primary factor that makes optical current sensor unpractical.

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  • 电流超过限制时,过负荷电流继电自动保护振荡整流同时可以避免不当操作所引起频率漂移

    The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented.

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  • 线性双折射效应限制光学电流互感实用化关键因素

    Linear birefringent effect is the primary factor that makes optical current transducer unpractical.

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  • 结果表明起动在软起动过程中,限制电动机起动电流,实现电动机的平稳起动。

    The results show that the soft starter could start up smoothly and reliably, and the starting current of the asynchronous motor is controlled.

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  • 该文指出整流故障电流限制在限流过程中降低了短路电流幅值改变了短路电流波形,明显地影响高压断路关合开能力

    The rectifier type FCL not only reduces the amplitude of short circuit currents but also changes their waveform which seriously affects the making and breaking capability of HV circuit breakers.

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  • 结果表明FPC功率极限主要约束条件变频电流限制

    Research results show that the main restraint condition of FPC'spower margin is the current limitation of frequency converter.

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  • 采用有源滤波就地吸收谐波产生谐波电流消除限制电力系统谐波污染有效的措施。

    The active power Filter, which can compensate simultaneously the harmonics and reactive power of non-linear loads, is good method to eliminate the harmonic pollution in power system.

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  • 电抗电抗选择短路电流限制规定值,又不能使电压损失过大

    When the reactance value of current limiting reactor is selected, the short circuit current should be limited within the specified value and the voltage loss should not be too much.

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  • 变频电流计算限制

    Frequency changer by means of electric current for calculation limitation.

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  • 仿真结果证明了基于补偿大容量故障电流限制方案的提出研究,对高压和超高压输电性能的革新改造具有重要的技术作用和现实意义。

    The result of Simulink is very satisfied, and the research of the FCL based on flux compensation will play a very important role in the development of power system in the future.

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  • 通过适当调节最大限制电流采样电阻电流应用各种型号中小功率半导体激光

    The precision LD current driver can be used in many kinds of small-medium power LD by adjusting the maximum limited current or the sampling resistance.

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  • 优选的电流限制设备进一步包括充电电容缓冲其设置关于基于IGBT限制单元下游用于形成缓冲输出

    It is preferably, that the inrush current limiter device further comprises a chargeable capacitive buffer, arranged downstream in regard to the IGBT-based limiter unit for forming a buffered output.

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  • 调谐相间功率控制(IPC)一种串联控制装置,突出特点是具有很强的线路有功输送功率控制能力短路电流限制能力。

    The tuned Interphase power controller (IPC) is a series connected power controller which has outstanding ability to control active power in transmission line and to limit the short circuit current.

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  • 采用快速开关显著减少故障电流限制运行损耗,采用GTO可降低电流转移的难度

    By using the fast switch, the power loss of the FCL in normal operation condition could be avoided, and by using the GTO, the rapid current-transferring could be realized with a smaller difficulty.

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  • 本文发电机电压调节励磁控制的基础上 ,提出增加一套负载电流限制电路方案为某型飞机电压调节设计出负载电流限制电路。

    The restriction can be flexibly realized by controlling the generator excitation. The principle of a load current limiting circuit is studies and a new scheme is presented.

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  • 其他特点包括用于IC电源内置低压稳压可编程启动欠压闭锁可调电流限制输出电压温度补偿

    Additional features include an onboard low drop regulator for IC power, programmable soft start, undervoltage lockout, adjustable current limit and output voltage temperature compensation.

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  • 利用容量高速开关装置,正常运行串联电抗接,消除电抗周围金属产生涡流发热;在发生短路情况下该装置快速断开,重新将电抗投入,限制短路电流

    By high capacity high-speed switch, the series reactor is shorted during normal operation, eliminating the reactor leakage magnetic flux to eddy hot produced metal member around it.

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  • 采用故障电流限制抑制电网故障短路电流保证断路遮断容量不致超限有效方法

    It is an effective approach to ensure the non-exceeding of the breaking capacity of line breaker by adopting fault current limiter to restrain short-circuit current when the grid is in fault.

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  • 因此电容C4(穿过电阻R2IGBTQ2)充电电流受到限制,由此不会部件被击穿。

    Hence, the charging current of capacitor C4 (running through resistor R2 and IGBT Q2) is also limited so that no components can break down.

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  • 因此电容C4(穿过电阻R2IGBTQ2)充电电流受到限制,由此不会部件被击穿。

    Hence, the charging current of capacitor C4 (running through resistor R2 and IGBT Q2) is also limited so that no components can break down.

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