Yogesh S. Pawar
Loknete Gopinathaji Munde Institute of Engineering Education and Research

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Comparative analysis of switching frequency in DTC-CBSVM and FOC of three-level NPC PMSM drive for EV applications Rakesh Shriwastava; Balajee Maram; Yogesh S. Pawar; Jyoti P. Rothe; Dinesh S. Wankhede; Hema Kale
Bulletin of Electrical Engineering and Informatics Vol 15, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v15i3.11565

Abstract

This paper presents a comparative analysis of switching frequency performance in direct torque control with carrier-based space vector modulation (DTC-CBSVM) and field-oriented control (FOC) of permanent magnet synchronous motor (PMSM) drives fed by a three-level neutral point clamped (NPC) inverter. PMSM drives are widely utilized in electric vehicles (EVs) due to their high efficiency, torque density, and reliability. However, the selection of an appropriate control strategy significantly influences inverter switching frequency, system efficiency, and overall drive performance. The DTC-CBSVM approach provides fast torque response and reduced torque ripple, whereas the FOC technique ensures precise control of flux and torque with smoother operation. In this study, both methods are implemented and evaluated under identical operating conditions. Simulation results highlight the trade-offs between dynamic response, switching frequency, and harmonic performance. The findings serve as a reference for selecting optimal control strategies for efficient PMSM-based NPC inverter drives in EV applications.
Optimal design of three-phase solar PV integrated unified power quality conditioner (UPQC) Yogesh S. Pawar; Mahesh Kadu; Pawan C. Tapre; Dinesh S. Wankhede; Rajendra M. Rewatkar; Swapna M. Choudhary; Rakesh G. Shriwastava
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i1.pp1-13

Abstract

This research investigates the utilization of a unified power quality conditioner (UPQC) to address power quality issues in the electrical grid and mitigate harmonics introduced by non-linear loads. The UPQC system is augmented by a combination of photovoltaic (PV) and battery energy storage system (BESS). Typically, the PV system supplies active power to the load. However, in cases where the PV system cannot provide sufficient power, the BESS is activated to ensure a continuous power supply, particularly during prolonged voltage interruptions. To enhance system reliability and reduce dependency on environmental conditions, a hybrid PV-BESS system is proposed. The inclusion of the BESS improves long-term voltage support capabilities, simplifies the DC-link voltage regulation algorithm, and facilitates the production of clean energy. For efficient phase synchronization operation of the UPQC controller under unbalanced and distorted grid voltage conditions, a self-tuning filter (STF) integrated with the unit vector generator (UVG) technique is employed.