rush current meaning in English
冲击电流
冲击流
冲流
Examples
- The fast discrimination between magnetizing in - rush current and fault current is a difficulty in transformer protection presently . to solve this problem , second harmonies restraint and dead angle are used widely in practical application
励磁涌流的快速鉴别仍然是当前变压器保护面临的一个难点，在实际应用中广泛采用二次谐波制动原理和间断角原理来鉴别励磁涌流。 - Reactive power are calculated using the new algorithm . on the basis of analyzing different kinds of control strategies of var compensation , the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components , and can realize auto - tracking var and auto - switching shunt capacitor bank . initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability
高压智能无功补偿控制器以flash型16位单片机msp430f149为控制核心，采用了一种相角实时测量的新算法，并在此基础上计算出了功率因数、有功和无功，减少了运算量提高了精度；在分析了各种无功补偿控制策略的基础上，以母线电压和无功功率复合判据控制投切，并提出一种改进的电容器投切方式? ?暂态投切控制晶闸管过零触发，避免了电容器投切时的电流冲击；稳态运行时接触器替代晶闸管，实现无功补偿的自动跟踪和电容器的自动投切，解决了投切时的暂态电流冲击和稳态时可靠运行的难题；控制器的原始运行参数采用flash自编程技术，将其保存在msp430f149片内的信息flash中，简化了硬件电路，大大提高了系统的可靠性。 - The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor . this switch has totally cancelled the mechanical drive organization , by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely , high regulation speed , need not transition resistor , rush current is low . operating frequently ; there is no electric arc to produce , can put in the fuel tank of the voltage transformer directly ; the structure is simple , the fabrication cost is low , benefit and use widely among the voltages transformer of distribution
其中的有载调压分接开关，它是一种完全由固态继电器作为分接开关执行机构，由单片机控制的有载自动调压的变压器分接开关。该开关完全取消了机械传动机构，由单片机根据变压器二次侧电压的高低，决定与变压器各分接头联接的固态继电器的工作状态。调节速度快，改变分接头时不需过渡电阻，冲击电流小，可频繁操作；无电弧产生，可以直接放在变压器油箱中；结构简单，造价低，便于在配电变压器中推广使用。 - Based on the tsc reactive compensation equipment , a new low - voltage intelligent controller is designed , which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components , and can realize auto - tracking reactive power , compensating and auto - switching scb . msp430f149 mcu is used as its core controller . it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency , for example power factor
该控制器以msp430f149为控制核心，暂态投切控制晶闸管过零触发，避免了电容器投切时的电流冲击；稳态运行时接触器替代晶闸管，实现了无功补偿的自动跟踪和电容器的自动投切，解决了投切时的暂态电流冲击和稳态可靠运行的难题。