Manufacturing and testing mock-up for commercialization of the ocean thermal energy conversion (50MW) power plant

Lee, Ho-Saeng; Jung, Young Kwon; Kim, Hyeon-Ju; Jung, Dong-Ho; Choi, Bum-Seog; Seo, Jeong-Min

doi:10.1109/oceans-yeosu.2012.6263554

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(2 citation statements)

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“…The failure rate and repair time of different components can be collected from the manufactures or the operators during the operation of the power plant. In table 3, these reliability data are given [1][2][3][4][5][6][7]. The equivalent failure rate and repair time are calculated based on Relations (14), (15) and (16)…”

Section: Reliability Modeling Of the Understudied Otec Systemmentioning

confidence: 99%

“…In [5], the performance evaluation and optimal design of a 50 MW OTEC power plant based on the Rankine cycle with R-22 as working fluid is obtained. In [6], the sensitivity analysis of a closed cycle OTEC power plant is performed and the effects of variation in warm and cold water temperatures, warm and cold water pipe diameters, warm and cold water velocity in pipes and evaporator and condenser working temperatures on the net generated power and efficiency of the system is analyzed.…”

Section: Introductionmentioning

confidence: 99%

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Reliability Evaluation of Power Systems Containing Ocean Thermal Energy Conversion Power Plants

2020

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Recently, renewable power plants, utilize from clean and sustainable resources for electricity generation in the world. The ocean thermal energy conversion (OTEC) system uses from the ocean surface water as high temperature source and the water in the depth of the ocean as low temperature source. The difference between these temperatures is 20 0 C or more and a working fluid with low boiling point can be used for electricity generation. In a close cycle OTEC system, working fluid through a thermodynamic cycle based on the Rankine cycle can rotate the turbine and generate electricity. Due to the variation in the ocean surface temperature, the output power of the OTEC system changes and results in the numerous states in the generated power of this plant. Thus, in integrating the OTEC systems to the power system, many aspects of power system such as reliability may be affected and so new approaches must be developed for investigation these effects. In this paper, the reliability of the power system containing OTEC system based on the multistate reliability model and also based on the conditional value at risk concept is evaluated and the valuable indices used for generation expansion planning of the power system are calculated.

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