Protection scheme switch-timing for doubly-fed induction generator during fault conditions

Yang, J., O'Reilly, J. and Fletcher, J.E. (2009) Protection scheme switch-timing for doubly-fed induction generator during fault conditions. In: PowerTech, 2009 IEEE Bucharest. IEEE: Piscataway, NJ, pp. 1-6. (doi:10.1109/PTC.2009.5282009)

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This paper discusses the detailed switch-timing for converter protection schemes of doubly-fed induction generator (DFIG) to enhance the fault ride-through (FRT) capability. A new combined protection scheme with crowbar and series dynamic resistor (SDR) is used as proposed in former papers. Protection resistance values are calculated after the analysis of rotor fault current for practical application. The protection switching and rotor high current reduction performance are simulated with PSCAD/EMTDC. Fault ride-through performance including the reactive power supply, torque fluctuation and rotor speed with crowbar and series dynamic resistor are also shown. The proposed switch-timing scheme can reduce the time for fault ride-through, hence improving the DFIG fault ride-through performances

Item Type:Book Sections
Keywords:BRAKING RESISTORS Converter protection scheme converter protection switching doubly-fed induction generator (DFIG) fault ride-through (FRT) performance RIDE-THROUGH STABILITY wind generation WIND TURBINES
Glasgow Author(s) Enlighten ID:O'Reilly, Professor John
Authors: Yang, J., O'Reilly, J., and Fletcher, J.E.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:IEEE Bucharest Powertech

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