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Speed Control for Turbine-Generator of ORC Power Generation System and Experimental Implementation

Author

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  • Hyung-Seok Park

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Hong-Jun Heo

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Bum-Seog Choi

    (Korea Institute of Machinery & Materials, Daejeon 34103, Korea)

  • Kyung Chun Kim

    (School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Jang-Mok Kim

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

Abstract

This paper presents a rotation speed estimation and an indirect speed control method for a turbine-generator in a grid-connected 3-phase electrical power conversion system of an organic Rankine cycle (ORC) generation system. In addition to the general configuration mechanism and control techniques that are required in the grid-connected ORC power generation system, the indirect speed control method using the grid-side electric power control and the speed estimation method is proposed for the proper speed control of turbine-generators. The speed estimation method utilizes a digital phase-locked loop (PLL) method that uses a state observer to detect the positive-sequence voltages. A 10 kW system where a Motor-Generator set is used as a turbine simulator and a 23 kW actual system for the grid-connected ORC power generation were designed and manufactured, respectively. This paper includes various experimental results obtained from field tests conducted on actual installed ORC systems.

Suggested Citation

  • Hyung-Seok Park & Hong-Jun Heo & Bum-Seog Choi & Kyung Chun Kim & Jang-Mok Kim, 2019. "Speed Control for Turbine-Generator of ORC Power Generation System and Experimental Implementation," Energies, MDPI, vol. 12(2), pages 1-13, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:200-:d:196076
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    References listed on IDEAS

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    Cited by:

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    3. Wenich Vattanapuripakorn & Sathapon Sonsupap & Khomson Khannam & Natthakrit Bamrungwong & Prachakon Kaewkhiaw & Jiradanai Sarasamkan & Bopit Bubphachot, 2022. "Advanced Electric Battery Power Storage for Motors through the Use of Differential Gears and High Torque for Recirculating Power Generation," Clean Technol., MDPI, vol. 4(4), pages 1-14, October.

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