Quasi‐Z source indirect matrix converter‐fed induction motor drive. Issue 5 (11th March 2020)

• Record Type: Journal Article
• Authors: Guo, Mingzhu; Liu, Yushan; Ge, Baoming; Liu, Shuo; Li, Xiao; Ferreira, Fernando J.T.E.; de Almeida, Anibal T.
• Is Part Of: IET electric power applications. Volume 14:Issue 5(2020)
• Page Start: 797
• Page End: 808
• Publication Date: 2020-03-11
• Subjects: voltage control -- frequency control -- power grids -- machine control -- power supply quality -- matrix convertors -- invertors -- power convertors -- induction motor drives -- motor drives -- machine vector control; variable frequency control -- inverter stage -- automatic low voltage ride -- ability enhances capability -- grid voltage sag -- wide voltage gain range -- wide speed range -- additional input filter -- voltage control implementation -- rectifier stage -- low voltage stress -- low converter loss -- control method -- motor vector control -- input power supply voltage -- dc‐link voltage -- QZS‐IMC motor drive system -- z source indirect matrix converter‐fed induction motor drive -- induction motor drive system -- LC filter -- variable voltage control -- inductor motor; Electric power -- Periodicals; Electric power systems -- Periodicals; 621.305
• DOI: 10.1049/iet-epa.2019.0618
• Languages: English
• ISSNs: 1751-8660

Abstract

Abstract : This study proposes an induction motor drive system based on the LC filter integrated quasi‐ Z source indirect matrix converter (QZS‐IMC). The proposed drive system shows the following features: (i) variable voltage control of inductor motor is achieved by the rectifier stage and variable frequency control is achieved by the inverter stage; (ii) automatic low voltage ride through ability enhances capability of the proposed drive against grid voltage sag; (iii) wide voltage gain range ensures the drive system with high performance in wide speed range; (iv) there is no additional input filter. The voltage control implementation in the rectifier stage is proposed to benefit low voltage stress and low converter loss. The control method combines motor vector control, minimum shoot‐through duty cycle and maximum modulation indexes. As a result, the input power supply voltage and dc‐link voltage are maximally utilised and the power loss is reduced. Simulation and experimental results verify the proposed QZS‐IMC motor drive system.