The emphasis on traditional control in power systems has traditionally focused on the application of first order transfer functions to develop gains in distributed PI or PID control. The application of traditional PI or PID control in fuel cell turbine hybrid power systems for setpoint tracking or disturbance rejection during transient operation has proved to be challenging because the interaction and nonlinearities. In this work, a systematic approach to specifying ideal gains for PID control was established and then applied to hybrid systems using the cyber-physical emulation facility at the National Energy Technology Laboratory. Through testing on hardware, it was proved that the control variable response to actuator modulation was not first order. By developing second order transfer functions to specify gains, the response of the system was predicted as expected by simulation. Testing of a hot air bypass valve to control fuel cell cathode airflow setpoint tracking and disturbance rejection was effectively demonstrated with response behaviors as expected, rise times under 3.5 seconds, and overshoot predicted for the underdamped case.
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ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum
June 24–28, 2018
Lake Buena Vista, Florida, USA
Conference Sponsors:
- Power Division
- Advanced Energy Systems Division
- Solar Energy Division
- Nuclear Engineering Division
ISBN:
978-0-7918-5139-5
PROCEEDINGS PAPER
PID Control Design and Demonstration Using a Cyber-Physical Fuel Cell/Gas Turbine Hybrid System
Bernardo Restrepo,
Bernardo Restrepo
Universidad del Turabo, Gurabo, PR
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Harry Bonilla,
Harry Bonilla
Universidad del Turabo, Gurabo, PR
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Kenneth “Mark” Bryden
Kenneth “Mark” Bryden
Ames Laboratory, Ames, IA
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Bernardo Restrepo
Universidad del Turabo, Gurabo, PR
Paolo Pezzini
Ames Laboratory, Ames, IA
David Tucker
NETL, Morgantown, WV
Harry Bonilla
Universidad del Turabo, Gurabo, PR
Kenneth “Mark” Bryden
Ames Laboratory, Ames, IA
Paper No:
POWER2018-7346, V001T04A002; 11 pages
Published Online:
October 4, 2018
Citation
Restrepo, B, Pezzini, P, Tucker, D, Bonilla, H, & Bryden, K“. "PID Control Design and Demonstration Using a Cyber-Physical Fuel Cell/Gas Turbine Hybrid System." Proceedings of the ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum. Volume 1: Fuels, Combustion, and Material Handling; Combustion Turbines Combined Cycles; Boilers and Heat Recovery Steam Generators; Virtual Plant and Cyber-Physical Systems; Plant Development and Construction; Renewable Energy Systems. Lake Buena Vista, Florida, USA. June 24–28, 2018. V001T04A002. ASME. https://doi.org/10.1115/POWER2018-7346
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