Grid-connected vector-controlled slip-ring induction machine drive with out speed sensor |
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| Authors: | Vimlesh Verma Suman Maiti Chandan Chakraborty |
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| Affiliation: | 1. School of Civil Engineering, Chongqing University, Chongqing 400045, China;2. National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas, Chongqing 400045, China;3. Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Chengdu 610031, China;1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China;2. Shanghai Institute of Astronautical Systems Engineering, Shanghai 201108, China;1. Department of Electrical and Electronics Engineering, Adhiparasakthi College of Engineering, Kalavai, Ranipet District, Tamilnadu, India;2. Department of Electrical and Electronics Engineering, CMR Institute of Technology, Bengaluru, India;3. Department of Electrical and Electronics Engineering, K.S.R Institute for Engineering and Technology, Tamilnadu, India;4. Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur Kanchipuram 603203, Chennai, TN, India;5. Department of Electrical and Electronics Engineering, TJS Engineering College, Thiruvallur, India;6. Department of Electrical and Electronics Engineering, Kongu Engineering College, Tamilnadu, India |
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| Abstract: | A speed estimation method is presented in this paper for a grid-connected doubly-fed slip-ring induction machine drive. The proposed method is formulated with reactive power based model reference adaptive system (MRAS). The method does not require the estimation of stator/rotor flux. So, the integrator related problems at synchronous speed are overcome. Also, the estimation method is independent of stator and rotor resistance variation. Extensive simulation results are presented to validate the technique. |
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