Dynamic Stability Analysis of a Grid-Connected Solar-Concentrated Ocean Thermal Energy Conversion System

This paper presents the dynamic-stability analyzed results of an offshore solar-concentrated ocean thermal energy conversion (SC-OTEC) system connected to an onshore power grid through undersea cables. The complete dynamic system equations of the studied SC-OTEC system are established under three-ph...

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Bibliographic Details
Published inIEEE transactions on sustainable energy Vol. 1; no. 1; pp. 10 - 18
Main Authors Wang, Li, Huang, Chen-Bin
Format Journal Article
LanguageEnglish
Published IEEE 01.04.2010
Subjects
Cables
Damping
Dynamic stability
Energy conversion
Equations
Oceans
Power grids
Power system analysis computing
Power system dynamics
Power system simulation
power system stabilizer (PSS)
solar-concentrated ocean thermal energy conversion (SC-OTEC)
Stability analysis
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Summary:This paper presents the dynamic-stability analyzed results of an offshore solar-concentrated ocean thermal energy conversion (SC-OTEC) system connected to an onshore power grid through undersea cables. The complete dynamic system equations of the studied SC-OTEC system are established under three-phase balanced conditions. A power system stabilizer (PSS) is designed using modal control theory to offer adequate damping characteristics for the synchronous generator of the studied SC-OTEC system. Steady-state characteristics of the studied system under different operating conditions and dynamic simulations of the studied system subject to different disturbances are both carried out. It can be concluded from the simulation results that the designed PSS can effectively enhance damping of the studied grid-connected SC-OTEC system under various disturbance conditions.
ISSN:1949-3029
1949-3037
DOI:10.1109/TSTE.2010.2046189