A Comparison on Control Algorithms for a BEV Propulsion Motor with Road load under NEDC
Banda Gururaj1, Kolli Sri Gowri2
1Banda Gururaj, Research Scholar, Department of EEE, GPREC (R&D) Center, Kurnool, JNT University Anantapuramu (Andhra Pradesh), India.
2Kolli Sri Gowri, Professor, Department of EEE, GPREC Autonomous, Kurnool (Andhra Pradesh), India.
Manuscript received on 02 June 2019 | Revised Manuscript received on 27 June 2019 | Manuscript Published on 04 July 2019 | PP: 146-151 | Volume-8 Issue-1S4 June 2019 | Retrieval Number: A10290681S419/2019©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: In this paper a Comparative analysis is made between Indirect field oriented control and Space Vector Modulation based Direct torque control (SVM-DTC) methods to regulate the performance of the propulsion motor of a Battery Electric Vehicle(BEV) with road load under NEDC drive cycle. Owing to the splendid characteristics like rapid torque control and higher efficiency, the Induction Motor (IM) is adopted as the preeminent for BEV propulsion motor. The most significant techniques used for propulsion motor torque and speed control are Indirect field oriented control (IFOC) and Space Vector Modulation based direct torque control (SVM-DTC).In IFOC the propulsion motor control is achieved by synthesizing stator currents from two quadrature components, corresponding to flux and torque respectively. In SVM-DTC decoupling and linearization of current vectors through coordinate transformation is eradicated and a reference stator flux vector originated by the adaptive motor model provides d and q axis reference voltages fed to SVM. Simulation results are explored to accentuate the performance of the propulsion motor with road load for both methods under NEDC drive cycle.
Keywords: Direct Torque Control, Indirect Field Oriented Control, NEDC Drive Cycle, Road Load, Space Vector Modulation, Three Phase Induction Motor.
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