PP film roughening dipped in high performance liquid is used as composite dielectric and high-purity aluminium foil as battery lead plate. It is mainly used in A. C. power system with rated voltage more than 1000v and frequency 50kHz to 60Hz, specifically used to equalize reactive power, improve the power factor of equipments and line losses, save energy and improve service quality.

Operating condition
1 It should be no more than 1000 meters above sea level and the normal temperature should be between -40º C to +40º C.
2 Avoid extreme mechanical vibrations, hazardous gas, steam, conductive or explosive dust.
3 Continuous operation voltage is 1.0Un and maximal voltage is no more than 1.1Un.
4 Stable current including harmonic current is no more than 1.43In.
5 Maximal capacitance is no more than 1.35Qn.