Journal
SYMMETRY-BASEL
Volume 12, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/sym12050711
Keywords
wave-power-generation device; symmetrical electric loads; hydrolic-transmission system; experimental verification
Categories
Funding
- National Marine Bureau's Marine Renewable Energy Special Fund Project Marine Energy Independent Power System Demonstration Project [SDME2010GC02]
- National Natural Science Foundation [U17062305]
- National Key Research and Development Program Strategic International Scientific and Technological Innovation Cooperation Key Special Project [2016YFE0205700]
- Doctoral Fund Research Project of Shandong Jianzhu University [x18036z]
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This paper develops the dynamic response of a hydrolic-transmission system of wave-power devices under random wave conditions. Through theoretical calculation and experiment analysis, the mathematical model of the hydrolic-transmission system was built to make clear which parameters are related to electric-energy output. The working characteristics of the main parameters are developed through the designed experimental platform. The charging pressure of the accumulator, which affects the rigidity of the hydrolic-transmission system, is analyzed. The throttle valve opening and symmetrical electric loads, which affect the stability and efficiency of the electric energy output, are analyzed. Thus, the energy output curve under different parameter regulations is drawn. Through the orthogonal experimental method, the law curve is further modified, the design principle of hydraulic system parameters under the sea level condition is established, and the optimal design scheme and regulation strategy to the hydraulic conversion system of the power generation device is obtained, to solve the problem that the multiparameter coupling cannot be adjusted quickly and effectively. The energy regulation response mechanism of the hydrolic-transmission system in the wave energy power-generation system is proved.
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