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Optimizing Tri-Core Permanent-Magnet-Linear-Generator Direct-Drive Wave-Energy-Conversion System Design for Sea Wave Characteristics in South Coast Yogyakarta
- Publication Year :
- 2017
- Publisher :
- Zenodo, 2017.
-
Abstract
- According to statistical data, the south coast Yogyakarta has significant ocean wave height which can be used to generate electricity by using wave-energy-converter system. One of the simplest way to convert wave energy to electricity is using direct-drive wave-energy-conversion (WEC) system with permanent-magnet-linear-generator (PMLG). This method is simple because it doesn’t need to convert linear motion to rotational motion. However, PMLG has large electric power losses, has great weight in both of the stator and rotor, and expensive to make. In this paper, a tri-core PMLG was designed. The electric power losses in the winding, translator weight, and manufacturing cost were ideally minimized using multiobjective optimization combined with simulated annealing (SA) algorithm. Then, the design was verified using finite element analysis. The optimized design of this PMLG was simulated using sinusoidal ocean waves which usually occur in the south coast of Yogyakarta to analyze the performance of this linear generator. Simulation result has been shown that this generator can generate 911 watt peak output power at the rated condition and at the optimum load with 81.14% efficiency. This confirms that the optimized design of PMLG is suitable for direct-drive WEC with low power losses and manufacturing cost.
- Subjects :
- General Computer Science
Computer science
Stator
02 engineering and technology
Automotive engineering
law.invention
law
Wind wave
0202 electrical engineering, electronic engineering, information engineering
Energy transformation
Electrical and Electronic Engineering
Tri-core PMLG
Watt
business.industry
Rotor (electric)
020208 electrical & electronic engineering
05 social sciences
Electrical engineering
050301 education
Ocean waves
Optimized design
Manufacturing cost
Power (physics)
Overall weight
Wave-energy-conversion
Electric power
Electricity
Power losses
business
0503 education
Subjects
Details
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....b0de6d9b3792f2d5d35417294eee621e