access icon free Subsynchronous resonance characteristics in presence of doubly-fed induction generator and series compensation and mitigation of subsynchronous resonance by proper control of series capacitor

© The Institution of Engineering and Technology
Received 07/07/2013, Accepted 04/02/2014, Revised 16/01/2014, Published 10/04/2014

This study investigates the subsynchronous resonance (SSR) characteristics in the systems with doubly-fed induction generators and series compensated ac lines, by using the transfer-function analysis approach. A new SSR mitigation method by a proper control of a series capacitor (SC) is also presented with the effectiveness evaluated. SSR mitigation by a proper control of the SC is attractive since it does not incur any additional cost. This shows that there are no technical obstacles to use a series compensation as a means to improve the power transmission capability in the systems with a high wind energy penetration.

Inspec keywords: subsynchronous resonance; wind power plants; asynchronous generators; machine control; power capacitors; compensation; power transmission lines; power transmission control

Other keywords: SSR mitigation method; series capacitor control; SC control; subsynchronous resonance characteristics; transfer-function analysis approach; wind energy penetration; power transmission capability; doubly-fed induction generator; series compensated AC line

Subjects: Power system control; Control of electric power systems; Asynchronous machines; Wind power plants; Power transmission, distribution and supply

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