Acausal Modelling and Dynamic Simulation of the Standalone Wind-Solar Plant using Modelica

Dizqah, Arash, Maheri, Alireza, Busawon, Krishna and Fritzson, Peter (2013) Acausal Modelling and Dynamic Simulation of the Standalone Wind-Solar Plant using Modelica. In: 15th International Conference on Computer Modelling and Simulation (UKSIM 2013), 10-12 April 2013, Cambridge, UK.

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Abstract

In order to design model-based controllers applicable to hybrid renewable energy systems (HRES), it is essential to model the HRES mathematically. In this study, a standalone HRES, consisting of a photovoltaic (PV) array, a lead-acid battery bank, a pitch-controlled wind turbine, and a three-phase permanent magnet synchronous generator (PMSG), supplies a variable DC load demand through two boost-and buck-type DC-DC converters. It is shown that the mathematical model of the HRES can be represented by a system of nonlinear hybrid differential algebraic equations (hybrid DAEs). The developed model in this paper employs the Modelica language that allows object-oriented and acausal modelling of the multimode systems. The OpenModelica environment is utilised to compile the model and simulate the system. It is shown that the simulation provides a sufficiently accurate prediction of all the differential and algebraic states including mode transitions. The results of the simulation show a good match with the information available in the components datasheet.

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	photovoltaic (PV), battery, wind turbine, hybrid renewable energy system (HRES), acausal modelling, hybrid DAE, Modelica
Subjects:	H100 General Engineering H300 Mechanical Engineering H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User:	Users 6424 not found.
Date Deposited:	28 Nov 2013 09:29
Last Modified:	13 Oct 2019 00:33
URI:	http://nrl.northumbria.ac.uk/id/eprint/14721

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