1.Capacitance Usually, the capacitance of capacitor of film ranges from 1000pF to tens of microfarads, and the compensation capacitors of power capacitors and medium-frequency power supplies can reach hundreds of microfarads. [...]
What are the voltage parameters of film capacitors? What do they mean? Why are there current parameters? The capacitor voltage includes rated voltage, DC dielectric strength/test voltage, maximum continuous [...]
1.Metallized Paper Dielectric Capacitor Metallized paper capacitor is a dielectric capacitor made of metallized paper as the main material. Its electrode is not made of metal foil, but a very [...]
1 Paper dielectric capacitor The dielectric constant of capacitor paper is about 2.2. Since it is made of plant cellulose, it is porous and generally contains 20%~35% (volume fraction) [...]
1 Voltage and Aluminum Electrolytic Capacitors The voltage indicators of aluminum electrolytic capacitor mainly include: rated DC voltage, rated surge voltage, transient overvoltage and reverse voltage, etc., which will [...]
1 Principle of aluminum electrolytic capacitors and implementation method of large capacitance When converting AC into DC, capacitor filtering is usually required to smooth the rectified DC, and a capacitor [...]
The filter and shunt capacitor device test is a project that needs to be carried out after the equipment is newly installed or after the equipment is powered off. [...]
1 Operation of AC filters and parallel capacitors 1.1 Manual switching of filters AC filters and parallel capacitors are the main capacitive reactive compensation equipment in the converter station. [...]
1 Circuit breaker operation overvoltage and inrush current The task of the capacitor circuit breaker is to close and close the load current and break the short-circuit fault current to [...]
1 Analysis of filter capacitor overvoltage protection characteristics The overvoltage research and insulation coordination of AC and DC filters have certain particularities, mainly because a large-capacity capacitor is installed in [...]