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The thyristor valve capacitor (or Valve section capacitor) is fitted on thyristor valves for high voltage applications. Its function is to assist with the distribution of high frequency transient voltages. The valve section capacitor is connected in parallel with series connected thyristors (0 to 14 valves), their associated damping resistors/capacitors and di/dt limiting reactor. This capacitor is a self healing dry type capacitor, without any oil, mounted in an epoxy resin insulator.