Modal Field-Oriented Control of a Split-Phase PM Motor with Dual Inverters
Journal article, 2013

Multiphase machines have a higher efficiency, greater fault tolerance, lower torque ripple and reduced rated power electronics rating compared to their three-phase counterparts. However, the drive system and control is more complicated for the multiphase machines. A novel drive system for a split-phase permanent magnet motor and dual inverters is presented and explained in this paper. Field-oriented control (FOC) is utilized for the speed controlwhich a new decoupled current controllers are exploited to remove the tight coupling between the d and q current components. An eigenvalue decomposition method is used to transform the system state-space equations to its modal form. Based upon, the decoupled PI current controllers are proposed including the design procedure. A maximum torque per ampere (MTPA) strategy is developed to determine the reference values for the current controllers. Simulation results are provided to show that the proposed drive system has a good dynamic and steady state performance in a speed control system.

Modal Field-Oriented Control

Drive System

Maximum Torque Per Ampere

Split-Phase PM Motor

Multiphase Motor

Dual Inverters


Saeid Haghbin

Chalmers, Energy and Environment, Electric Power Engineering

Hector Zelaya

Chalmers, Energy and Environment, Electric Power Engineering

Ola Carlson

Chalmers, Energy and Environment, Electric Power Engineering

Journal of Electrical and Control Engineering

2226-2881 (ISSN)

Vol. 3 7-16

Subject Categories

Other Electrical Engineering, Electronic Engineering, Information Engineering

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