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Open Access ORIGINAL RESEARCH
Second‐harmonic current reduction of dual active bridge with triple‐phase shift in two‐stage single‐phase inverter system
Version of Record online: 04 April 2024
This article proposes a method to effectively suppress second-harmonic current (SHC) of dual active bridge (DAB) converter, which adopts the triple-phase shift (TPS) modulation strategy, in two-stage single-phase inverter system.
Open Access ORIGINAL RESEARCH
Fault‐tolerant control of current residual vector three‐phase four‐switch motor drive system based on MLD model
Version of Record online: 04 April 2024
Based on the MLD(mixed logic dynamic) model and vector control of PMSM（permanent magnet synchronous motor） speed control system, an improved vector control strategy is proposed. At the same time, the fault diagnosis method based on the current residual vector is combined with the three-phase four-switch fault-tolerant topology to improve the reliability of the system.
Open Access ORIGINAL RESEARCH
Optimal voltage angle for maximum torque per voltage control of induction machine in deep field‐weakening region
Version of Record online: 04 April 2024
This paper explores the optimization of the stator voltage angle in a rotor flux-oriented system for induction machine traction drives, with the primary objective of maximizing torque in the deep field-weakening region. Unlike previous research that often assumed a constant synchronous speed, this work accounts for variations in dq current components, which impact slip speed and, consequently, synchronous speed. A closed-form algebraic equation for the speed and parameter-dependent optimal voltage angle is derived after linearization around a suitable operating point when neglecting stator resistance.
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