Thyristor-based current-fed drive with direct power control for permanent magnet-assisted synchronous reluctance generator
- Authors
- Baek, J.; Kwak, S.-S.; Toliyat, H.A.
- Issue Date
- Mar-2015
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- generators; current-source inverter; thyristors; permanent magnet machine
- Citation
- INTERNATIONAL JOURNAL OF ELECTRONICS, v.102, no.3, pp 376 - 391
- Pages
- 16
- Journal Title
- INTERNATIONAL JOURNAL OF ELECTRONICS
- Volume
- 102
- Number
- 3
- Start Page
- 376
- End Page
- 391
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9762
- DOI
- 10.1080/00207217.2014.896422
- ISSN
- 0020-7217
1362-3060
- Abstract
- This paper proposes a robust and simple direct power control (DPC) of a thyristor-based current-fed drive for generator applications. A current-fed drive and permanent magnet-assisted synchronous reluctance generator (PMa-SynRG) are investigated to deliver 3kW power using a combustion engine. The current-fed drive utilises a thyristor-based three-phase rectifier to convert generator power to DC-link power and a single-phase current-fed inverter to supply a single-phase inductive load. In addition, a new control algorithm is developed based on DPC for the current-fed drive. The DC-link voltage-based DPC is proposed in order to directly control the output power. The goal of the DPC is to maintain the DC-link voltage at the required output power operating point. The DPC has advantages such as a simple algorithm for constant speed operation. Another feature of the developed current-fed drive is its inherent capability to provide generating action by making the PMa-SynRG operates as a generator, rectifying the phase voltages by means of the three-phase rectifier and feeding the power into the load. These features make the current-fed drive a good candidate for driving any type of synchronous generators including the proposed PMa-SynRG.
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