Basic knowledge of capacitor

1) Capacitors' > capacitor on the voltage rise process is a process of electric field established in capacitor, in this process, it absorbs energy from the power supply. 2) At lower voltage grade of power lines series capacitor compensation is mainly used for voltage regulation. 3) In high voltage grade of power lines series capacitor is mainly used to improve the stability of power system. 4) When the bus voltage drop, reactive power of the parallel capacitor on the bus will decline. 5) If a 1 l0kv / 10 kv transformer substations, in the 10 kv bus bar is installed on parallel capacitor, can reduce 110 kv lines and electric energy loss in the transformer. 6) Under the action of capacitance is equal to the unit of voltage capacitor charge on each plate, capacitor stored energy is proportional to the voltage ( C = Q / U) , the equivalent capacitance of the series capacitor is equal to the sum of the capacitance bottom bottom ( C=C1C2/C1+C2) , the equivalent capacitance of the parallel capacitor is equal to the sum of the capacitance ( C = C1 + C2) , dc capacitor with partition, through the performance of the alternating current (ac). 7) Subunits of the capacitor can be used independently will be assembled in a trunk full of insulating oil in the shell of capacitor, collective parallel capacitor. 8) Parallel resonant, UL = = XL Uc * I = I = Xc Xc * * U/R = QU ( Q is the quality factor of resonance circuit, U for the power supply voltage) That is, the voltage at the ends of the capacitance C is equal to the power supply voltage and the circuit quality factor Q of the product.

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