China achieves breakthrough in ocean thermal energy power generation
CGTN

China's first set of floating devices that can turn ocean thermal energy into electricity has successfully completed sea trials in recent weeks, marking a significant step forward in the country's utilization of renewable energy sources.

Ocean thermal energy conversion is a process that can generate electricity by making use of the temperature differences between the sea surface and deep ocean. China is endowed with plentiful of ocean thermal energy conversion resources.

The floating ocean thermoelectric power generator, developed by domestic researchers led by the Guangzhou Marine Geological Survey, was aboard the marine research vessel Haiyang Dizhi-2, or literally Ocean Geology No. 2, to carry out its first sea test
in the South China Sea at a depth of 1,900 meters.

The trial power generation process lasted over four hours, with a maximum power output of 16.4 kilowatts.

The test has proved the feasibility of the country's independently developed ocean thermoelectric power generation system both theoretically and practically.

"We have mastered the core and key technologies including turbine power generation featuring small temperature differences and wide load range, heat preservation of water collected from deep sea, and cold-water pipeline installation," said Ning Bo, a
senior engineer with Guangzhou Marine Geological Survey under China Geological Survey.

"We have fully leveraged the high-quality industrial cluster in Guangzhou's Nansha District and systematically integrated the resources of multiple competitive enterprises. The device is completely homegrown, with low cost and impressive adaptability,"
Ning said.

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