Film - paper , film dielectric capacitors for 50 60 hz voltage doubler power supplies 50 60hz倍压电源用的薄膜纸介质和薄膜介电电容器
In the connection mode of distributed power supply and medium voltage double - looped network , the configuration of relay protection and safety automatic devices is analyzed , and the detailed cooperating relationship among current instantaneous break , over - current and spare power automatic switch device is also presented 摘要在分散式供电、中压双环网接线方式下,对继电保护和安全自动装置的设置进行分析,并说明电流速断、过电流和备自投装置的具体配合关系。
Thesis this in existing electric capacity , whether it utilize by the ct one mainly reject and mix by suitable partial pressure not low - voltage partial pressure arm not high - handed of cvt electric capacity not insulating , in the middle of and ca n ' t compensate reactor , etc . of voltage transformer , design by sectional mutual inductor that ct combine cvt with , sectional mutual inductance utensil this have electric current mutual inductor and voltage double function of mutual inductor 本论文在现有电容型绝缘电流互感器和电容式电压互感器制造技术的基础上,利用ct的主绝缘电容屏作为cvt的高压分压臂,配以合适的低压分压器、中间变压器以及补偿电抗器等,设计了由ct和cvt相结合的组合式互感器,该组合式互感器具有电流互感器和电压互感器的双重功能。
Studies the work principle and key technology of the boost pfc circuit in theory , designs a small power digital boost pfc converter , this converter works in average current control means and based on tms320lf2407 dsp , adopts current and voltage double closed loop control and pi control arithmetic 从理论上分析和研究了数字控制boostpfc电路的工作原理和关键技术,设计了一款小功率基于tms320lf2407dsp的平均电流控制型的数字控制boostpfc变换器,该变换器应用了电压、电流双闭环控制和pi控制算法。
百科解释
A voltage doubler is an electronic circuit which charges capacitors from the input voltage and switches these charges in such a way that, in the ideal case, exactly twice the voltage is produced at the output as at its input.