Complete Transitions of Hybrid Wind-Diesel Systems with Clutch and Flywheel-Based Energy Storage

José Luis Monroy-Morales (), Rafael Peña-Alzola, David Campos-Gaona and Olimpo Anaya-Lara
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José Luis Monroy-Morales: Electrical Engineering, TecNM/Instituto Tecnológico de Morelia, Av. Tecnológico No. 1500, Morelia 58120, Mexico
Rafael Peña-Alzola: Electronic and Electrical Engineering, University of Strathclyde, 204 George St., Glasgow G1 1XW, UK
David Campos-Gaona: Wind Energy and Control Centre, Department of Electronic and Electrical Engineering, University of Strathclyde, 16 Richmond Street, Glasgow G1 1XQ, UK
Olimpo Anaya-Lara: Wind Energy and Control Centre, Department of Electronic and Electrical Engineering, University of Strathclyde, 16 Richmond Street, Glasgow G1 1XQ, UK

Energies, 2022, vol. 15, issue 19, 1-18

Abstract: A Wind Diesel Hybrid System (WDHS) is an isolated power system that combines Diesel Generators (DGs) and Wind Turbines (WTGs). The WDHS has three operation modes: Diesel Only (DO), Wind Diesel (WD) and Wind Only (WO). The latter mode is the only one resulting in substantial savings, as the DG consumes fuel even with no load. Moreover, adding an energy storage system (ESS) can significantly reduce the start/stop cycles in the DG. The FESS is robust, immune to deep discharges and its state of charge (SOC) is simple to monitor. The WDHS considered in this article uses a friction clutch to disengage the diesel engine (DE) from the synchronous generator (SG) in WO mode. The AVR regulates the voltage amplitude and the frequency regulation results from balancing the power produced by the DG and WT with the power consumed by the load and dump load along with the FESS utilisation. The control algorithms of the different elements present in the WHDS are explained, as well as the general control. The FESS always has priority over the DL for the maximum harnessing of the wind power. Simulations assess the proposed solutions for the different operation modes in the WDHS.

Keywords: isolated grid; flywheel energy storage; wind turbine; dump load; friction clutch (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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