Simulating the Steady State and Dynamic Conditions of an Onshore Three Phase Linear Generator
Abstract
Sea wave is an alternative renewable energy source that can meet excessive demand for energy throughout the country. The sea waves have high potentials for harvesting wave energy. A three-phase linear generator (TPLG) is an electromechanical energy converter driven by a reciprocating prime mover. It has a simple design and has less mechanical interface. It is used as a device to convert sea waves energy into electrical energy. The core of this paper is to simulate the steady state and dynamic conditions of an onshore TPLG. Two models of the TPLG are analyzed, TPLG-6 and TPLG-18. The performances of the TPLG operation are analyzed in steady state and in dynamic conditions using MATLAB simulation. These graphs of the output terminal voltage, output power, input power, phase current and induced emf are presented. Under the steady state conditions, the efficiencies for TPLG-6 and TPLG-18 are 85% and 94% respectively. However, in dynamic conditions, the efficiencies are 83% and 93% respectively. Finally, the TPLG-18 provides higher efficiency than the TPLG-6.
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