Performance of MRAS based speed estimators for grid connected doubly fed induction machines during voltage dips

Verma, V., Hossain, M. J., Saha, T. and Chakraborty, C. (2012). Performance of MRAS based speed estimators for grid connected doubly fed induction machines during voltage dips. In: 2012 IEEE Power and Energy Society General Meeting. 2012 IEEE Power and Energy Society General Meeting, San Diego, CA, United States, (1-8). 22 - 26 July 2012. doi:10.1109/PESGM.2012.6345006

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Author Verma, V.
Hossain, M. J.
Saha, T.
Chakraborty, C.
Title of paper Performance of MRAS based speed estimators for grid connected doubly fed induction machines during voltage dips
Conference name 2012 IEEE Power and Energy Society General Meeting
Conference location San Diego, CA, United States
Conference dates 22 - 26 July 2012
Proceedings title 2012 IEEE Power and Energy Society General Meeting
Journal name IEEE Power and Energy Society General Meeting
Place of Publication Piscataway, NJ, United States
Publisher IEEE (Institute for Electrical and Electronic Engineers)
Publication Year 2012
Sub-type Fully published paper
DOI 10.1109/PESGM.2012.6345006
Open Access Status
ISBN 9781467327275
9781467327282
ISSN 1944-9925
Start page 1
End page 8
Total pages 8
Collection year 2013
Language eng
Abstract/Summary Rotor speed is required for the independent control of active power, reactive power and to achieve maximum power and also for pitch control. Speed estimation is preferred rather than sensing from accuracy, cost and reliability point of view. Different Model Reference Adaptive System (MRAS) based speed estimation techniques are available for grid connected doubly fed induction machines. Performance of all the MRAS speed estimators has been studied under normal grid voltage. As per the new grid codes, wind turbine should remain connected to the grid during severe voltage dips [1]. Hence the performance of these speed estimators should also be studied under voltage dips. This paper compares the performances of different MRAS based estimators during voltage dips up to 50% and 5% of the nominal grid voltage. This paper also shows the effect of resistance variation on speed estimation during above mentioned operating conditions. Simulation has been performed in MATLAB/SIMULINK and the results are presented for various speed estimators.
Keyword MRAS
Doubly fed induction machine
Voltage dip
Speed estimation
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 21 Mar 2013, 11:10:43 EST by Tapan Kumar Saha on behalf of School of Information Technol and Elec Engineering