Tuesday, 30 October 2012

Series or Shunt Capacitor

Voltage Boost:

Shunt Capacitor: Evenly distributed over transmission line.

Series Capacitor: -----------------------I  I-------------------------
                                                   V1            V2
                                     Sudden change of voltage

  • Shunt Capacitor improves power factor of the load whereas Series capacitor has little effect on pf.
  • For long transmission line, where total reactance is high, series capacitors are effective for improvement of system stability.

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