According to the principle and control requirements of the resonance wave power device

an energy extracting system was designed to convert wave energy into stable and continuous hydraulic energy till the generator is driven. The flow and pressure of the system can be regulated by controlling the opening of the proportional flow control valve and the reducing valve to extract sea wave energy adaptively and efficiently. It is confirmed that the principle of the system is feasible by the results of integrated performance test including startstop tests

aperturechange test

loadchange test and variable load under stable pressure test. It is also shown that this system has broad developing prospects for its static and dynamic characteristics which make it possible to start up and shut down flexibly

track the power quickly

shorten the transient process and adjust parameters easily. This work is supported by National Natural Science Foundation of China (No. 51379160) and China Southern Power Grid Co. Ltd. (No. PGC12SJ018).