China News Service Xining, November 19 (Li Jiangning, Wang Hongxia, Wang Guodong) According to the State Grid Qinghai Provincial Electric Power Company 19 news, on November 16th and 17th, Qinghai Grid’s new energy power generation output exceeded 10 million kilowatts for two consecutive days, setting a record high , Reaching 10.45 million kilowatts and 10.61 million kilowatts, compared with the historical peak of 9.94 million kilowatts, an increase of 5.1% and 6.7% respectively.
According to reports, in the past two days, the electricity load of the entire Qinghai grid during the photovoltaic boom was between 9.8 million kilowatts and 10.1 million kilowatts. New energy output continued to exceed the electricity load of the entire grid, and the maximum daily power generation of new energy reached 107 million kilowatt-hours. , Accounting for 43.1% of the province’s full-day electricity consumption.
"The world's largest new energy distributed tuning camera group led and promoted by the State Grid Corporation of China. The first batch of 11 tuning cameras was recently completed and put into operation in Hainan, Qinghai. The maximum output of new energy can be 1.85 million kilowatts. The effect has been verified by actual operation. Very significant.” said Fang Baomin, director of the dispatch control center of the State Grid Qinghai Electric Power Company, “This has a direct boost to Qinghai’s new energy power generation output for two consecutive days, and has greatly eased the pressure on Qinghai’s new energy consumption. In addition to exploring applications In addition to adjusting camera technology, State Grid Qinghai Electric Power also launched a new generation of dispatching technology support system pilot upgrade, "transmitting/receiving end DC near-area large-scale photovoltaic power generation control strategy optimization technology" and other key grid technology projects, which have greatly improved The grid-connected and absorbing capacity of new energy has been improved."
The picture shows the world's first new energy long-distance transmission channel Qinghai-Henan ±800 kV UHV DC transmission line.
Photo by Wang Guodong
In recent years, State Grid Qinghai Electric Power has ensured an average annual growth of 32% of new energy installed capacity in Qinghai Province during the 13th Five-Year Plan period. Two 10,000-kilowatt renewable energy bases in Qinghai Haixi and Hainan have been fully completed. Qingyu UHV, which mainly transports new energy, is fully put into operation.
As of the end of October, the total installed capacity of Qinghai Power Grid was 40.7 million kilowatts, of which 24.85 million kilowatts of new energy installed capacity, accounting for 61%. Qinghai Power Grid has become the provincial power grid with the highest proportion of clean energy and new energy installed capacity in the country.
According to the State Grid Qinghai Electric Power Company, since this year, Qinghai Grid’s new energy daily power generation has reached a record high for five consecutive times, reaching a maximum of 164 million kilowatt-hours.
In the first 10 months of this year, the total power generation of Qinghai Power Grid's new energy reached 28.5 billion kWh, a year-on-year increase of 36.4%.
At the same time, State Grid Qinghai Power continues to strengthen the management and service level of new energy dispatching operations, through scientific determination of unit start-up methods, full use of automatic control systems, in-depth exploration of the consumption space, and priority protection of new energy consumption.
The Qinghai Provincial Dispatch, combined with the construction of a new generation of dispatching technical support system, continuously strengthens new energy generation forecasts, upgrades the existing new energy short-term and ultra-short-term power forecasting procedures, and completes the prediction model modeling and optimization.
At the same time, new energy probability prediction, medium and long-term electricity prediction, scheduling pre-planning, and major weather process prediction functions are deployed. At present, the optimization and improvement of functions are being carried out.
The Qinghai Energy Big Data Center has accumulated access to 59 power stations of 11 new energy companies in the province, providing new energy companies with accurate power prediction solutions, and using digital technology to assist grid dispatching and regulating new energy farms and stations. The overall operation and maintenance management level of energy enterprises.
In addition, the company continues to promote the coordinated efforts of all links of source, network, load and storage to realize the healthy and sustainable development of energy and power.
In order to vigorously promote the iterative upgrade of energy storage technology, and accelerate the development of the energy storage industry in Qinghai Province and the complementary transformation of multiple energy sources, State Grid Qinghai Electric Power and a number of companies have reached a consensus after multiple rounds of communication and signed a three-year agreement with six energy and manufacturing companies. A strategic cooperation agreement for shared energy storage.
As of the end of October, Qinghai Grid’s shared energy storage had a total of 3,097 transactions, and new energy generated 85.53 million kilowatt-hours of power generation, achieving a win-win situation for new energy companies and energy storage companies, and alleviating the pressure on grid peak shaving.
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