如果使用高压,则需要利用限流电阻,以免被测装置击穿后损坏电流开关。
If high voltage is used, current limiting resistors are needed to avoid damage to the current switches in case the device under test breaks down.
其脉冲和方向输出端串接相应限流电阻,以满足输入端电流范围。
The corresponding current-limiting resistance was connected with pulse output end in series to satisfy the current range of input end.
限流电抗器电抗值选择时既要将短路电流限制到规定值,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.
针对直流电网短路故障时迅速产生的短路电流,利用IGBT器件为核心,设计出一种新型的直流短路电网限流装置并阐述了其工作原理。
As the large fault current occurs in DC power system, the paper makes use of IGBT to design a new type DC fault current limiter.
电流补偿型超导限流器是一种新型的限流器拓扑,它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
给出了超导限流器的数学模型,着重分析了超导限流器限流电阻和故障检测时间对短路电流峰值、非故障线电压、超导限流器上的电压的影响。
The limiting resistance in SFCL and the fault detection time impact on peak value of fault current, line voltage of feeders without fault and voltage across SFCL are analysed.
故障后,系统电流值远大于等效交流电流源值,限流电阻立刻自动投入限流。
But under fault condition, the system current is greater than the current of equivalent AC current source and the limiting resistance take effect immediately.
通过双限流电路和浪涌强制吸收或隔离保护电路的设计,解决了大功率半导体激光器驱动电源常见的浪涌冲击和电流恒定的难题。
The double limit current circuit and electronic surge force absorbed or isolated circuit are introduced. The problems of electronic surge strike and current stable are solved.
因此,限流电阻的选择十分重要,既要限制故障电流,又不能引入太大的噪声。
It is, of course, important to choose the resistor so that it neither degrades the noise performance of the system nor allows too much current to pass under fault conditions.
限流过程包括两次电流转移:快速开关至门极关断晶闸管,再至限流电阻。
The operation of the SCCL involves two current transferring processes, i. e. the fast switch transfers the short circuit current to the GTO and then the GTO to the limiting resistor.
限流过程包括两次电流转移:快速开关至门极关断晶闸管,再至限流电阻。
The operation of the SCCL involves two current transferring processes, i. e. the fast switch transfers the short circuit current to the GTO and then the GTO to the limiting resistor.
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