Self developed equipment makes green energy "scenery" unlimited

2022-08-08

(the first floating offshore wind power platform in China is provided by the interviewee) "since 2014, China's energy consumption structure has been significantly optimized." On July 27, Zhang Jianhua, director of the national energy administration, introduced at the press conference of the Information Office of the State Council that the proportion of coal consumption in China dropped from 65.8% in 2014 to 56% in 2021, with an average annual decline of 1.4 percentage points, which is the fastest decline in history. The proportion of clean energy consumption increased from 16.9% to 25.5% in the same period, accounting for more than 60% of the increase in energy consumption. Behind the continuous development of clean energy is the further enhancement of energy technology innovation capability. Offshore wind power goes deep into the sea. The wind comes from the sea and lights up thousands of homes. How to catch the "wind" and seize the "opportunity" to convert the sea breeze into clean energy? On December 25, 2021, China's first one million kilowatt offshore wind power project, China's first offshore wind power flexible DC transmission wind power project, and China's farthest offshore wind power project invested and constructed by the Three Gorges group announced the goal of achieving full capacity grid connected power generation. The total installed capacity of the three offshore wind power projects is 2.8 million kilowatts, which can meet the normal power demand of about 3.37 million households in one year. In the past 20 years, China's clean energy has entered the "scenery" era, and offshore wind power has accelerated its development. Lei Mingshan, Secretary of the Party group and chairman of China Three Gorges Group Co., Ltd., once said that the water energy resources on land are limited, but the marine resources are extremely rich, and offshore wind power is also the best wind power resources. On July 12, two years ago, the Three Gorges Group Fujian Fuqing Xinghua Bay phase II offshore wind farm ushered in a "high light moment". The 10 MW offshore wind turbine jointly developed by the Three Gorges group and China Dongfang Electric Group Co., Ltd. was connected to the grid for power generation, setting a new record for the single unit capacity of offshore wind turbine in China. "Its successful grid connected power generation indicates that China has fully possessed the capacity of independent research, development, manufacturing and installation of 10 MW large-capacity offshore wind turbine units. It is also an important achievement in realizing the localization of major offshore equipment and building a major offshore wind power power power plant." He Jianhua, party secretary and chairman of Dongfang Electric Wind Power Co., Ltd. Based on the mature 10 MW platform, the 13 MW offshore wind turbine independently developed by China Dongfang Electric Group Co., Ltd. with fully independent intellectual property rights was successfully rolled off the production line in February 2022, becoming the wind turbine unit with the largest single unit capacity and impeller diameter in Asia and the first 13 MW wind turbine unit in China. At present, China's first floating offshore wind power platform invested and constructed by the Three Gorges group, carrying the world's first typhoon resistant floating offshore wind turbine, constitutes the "Three Gorges pilot", which has been operating steadily in Yangjiang offshore wind farm in Guangdong Province for more than one year. Larger wind turbines and floating wind turbines are being intensively researched and developed, and China's offshore wind power development is advancing step by step toward the deep sea. Over the past year, Longji Green Energy Technology Co., Ltd. (hereinafter referred to as Longji green energy) has broken the world record for the conversion efficiency of the next generation of photovoltaic cells for 10 consecutive times. In June this year, the research and development of Longji green energy silicon heterojunction photovoltaic cells made another breakthrough, and photoelectric conversion

Edit:Li Jialang    Responsible editor:Mu Mu

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