3 phase shunt power capacitor in parallel, with 15 kvar (235 μF) rated capacity and self-healing performance. It is sealed with aluminum case, due to the dielectric directly contact with the case, heat is transmitted outside of capacitor, temperature rise is relatively low with long service life.

15 kvar Shunt Power Capacitor Specifications

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15 kvar Shunt Capacitor Dimension (mm)
Tips: Discharging sound problem during capacitor operation

When the capacitor is running, there is usually no sound, but sometimes it is an exception. There are several reasons causing the sound:

1. Casing discharging. The casing of capacitor is the assembled type, and if it is exposed in air for a long time, the rainwater enters between two layers of casing, and when the voltage is applied, it is possible to produce a crackling sound. In this case, the outer casing can be loosened, then dry and reinstalled it.
2. Insufficient oil discharging. If there is a serious shortage of oil in capacitor, it is possible to discharge the oil from the lower end of casing. For this purpose, the same type of capacitor oil should be added.
3. Desoldering discharging. If the inside of capacitor is either virtual or unsoldered, it will flash and discharge in the oil. If the discharging sound doesn’t stop, the capacitor should be disassembled for repair.
4. Poor ground discharging. When the core of capacitor is in poor contact with shell, a floating voltage will appear, causing the discharge sound. At this time, just shake the capacitor to make the core contact with the shell, which may make the discharging sound disappear.