Control Algorithms of Large Synchronous Machines for Starting Gas Turbosets

Seon-Hwan Hwang; Jang-Mok Kim; Ho-Seon Ryu; Gi-Gab Yoon

Control Algorithms of Large Synchronous Machines for Starting Gas Turbosets

Vol. 9, No. 2, pp. 146-155, Mar. 2009

10.6113/JPE.2009.9.2.146

Static frequency converter

Large synchronous machine

Gas turbosets

Four quadrant operation

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Abstract

The static frequency converter (SFC) systems are used as a method of driving large synchronous machines in many power and industrial plants. In this paper, new control algorithms of SFC systems for starting gas turbosets are proposed for a four quadrant operation: start-up at standstill; an acceleration up to the speed of the rated voltage; field weakening to reach the rated speed; synchronization to the main alternating current (AC) source; and dynamic braking to stop safely within the rating of the synchronous machine. Experimental results show that the proposed algorithms are proper and effective.

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Cite this article

[IEEE Style]

S. Hwang, J. Kim, H. Ryu, G. Yoon, "Control Algorithms of Large Synchronous Machines for Starting Gas Turbosets," Journal of Power Electronics, vol. 9, no. 2, pp. 146-155, 2009. DOI: 10.6113/JPE.2009.9.2.146.

[ACM Style]

Seon-Hwan Hwang, Jang-Mok Kim, Ho-Seon Ryu, and Gi-Gab Yoon. 2009. Control Algorithms of Large Synchronous Machines for Starting Gas Turbosets. Journal of Power Electronics, 9, 2, (2009), 146-155. DOI: 10.6113/JPE.2009.9.2.146.