In this paper steady state characteristic of a variable speed Doubly fed induction generator (DFIG) is investigated. Torque and speed is used as design parameters for DFIG. From mathematical model it is found that on increase of rotor injection voltage and resistance, the torque speed response is shifted from over synchronous to sub synchronous range. The stability of DFIG operation is entirely dependent on torque. The functional relationship of generator further validated using MATLAB and experimental model. DFIG find application mainly in wind energy conversion system.
Kumar, Sunil; Goel, Nitin; and SHARMA, P.R.
"INVESTIGATION ON DOUBLY FED INDUCTION GENERATOR STEADY STATE PARAMETERS,"
International Journal of Power System Operation and Energy Management: Vol. 2
, Article 15.
Available at: https://www.interscience.in/ijpsoem/vol2/iss1/15