Sea Technology

AUG 2017

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www.sea-technology.com August 2017 / st 33 T he Chinese government has been paying great atten- tion to the development of renewable energy (RE). In December 2016, the Plan of Renewable Energy De- velopment to 2020 was released, with the goal of hav- ing the proportion of nonfossil energy consumption increase to 15 percent and the share of RE in overall power generation increase to 27 percent by 2020. The Strategy on Energy Revolution of Production and Consumption was also released in December 2016 and envisions that the proportion of nonfossil energy con- sumption would increase to 20 percent by 2030 and 50 percent by 2050. RE has been empha- sized to realize the targets. As prospective RE, the development of marine renewable energy (MRE) has been implemented since the 1980s in China. China has abundant MRE re- sources, with more than 1,580 GW of offshore potential, including waves, tid- al currents, tidal range, ocean currents, thermal gradients, changes in salinity and offshore wind. In 2010, the Ministry of Finance (MOF) and State Oceanic Administra- tion (SOA) released the "Interim mea- surements of marine renewable energy special funds" to support MRE research. Under the support of the special fund program for MRE (SFPMRE), more and more MRE technologies have entered the phase of large- scale prototype at-sea testing and demonstration. Now, SFPMRE has entered the seventh round and has supported more than 100 projects with a total funding of $130 million. Wave Energy Tech Twenty-six institutions have been engaged in the R&D of wave energy technology, resulting in 35 wave energy con- verters (WEC) deployed until the end of 2016, such as the 8-kW and 30-kW pendulum-type converter developed by the National Ocean Technology Center (NOTC); the 120- kW OB buoy device developed by Shan Dong University (SDU); and the 10-kW and 100-kW eagle-type device de- veloped by Guangzhou Institute of Energy Conversion at the Chinese Academy of Sciences (GIEC CAS). GIEC. GIEC has been engaged in the development of wave energy technology for more than 30 years. A series of offshore wave energy converter modules with 10-, 60- and 100-W capacity installed in navigation buoys have been manufactured. From 2009 to 2013, GIEC developed and deployed four duck-type devices, including three 10-kW devices and one 100-kW device. For the sea testing of the 100-kW Duck III, the device could generate electricity con- tinuously in high-wave conditions with 25 kW of maximum Wave, Tidal Energy Developments in China China Plays Up Renewable Energy as Power Source By Changlei Ma • Dengwen Xia • Jianjun Shi (Top) Wanshan 100-kW WEC during testing. (Bottom) FLB 50- kW WEC during testing.

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