Recently, the National Energy Administration issued the "Notice on Mitigation of Abandoned Water and Abandoned Light in the First Three Quarters of 2017", and compiled the statistics of photovoltaic power generation utilization and light rejection rate in the first three quarters of China. The details are as follows: Provinces, autonomous regions, Municipalities and Xinjiang Production and Construction Corps Development and Reform Commission (Energy Bureau), National Energy Administration agencies, State Grid Corporation, China Southern Power Grid Corporation, Inner Mongolia Power Company: Effectively alleviating the situation of abandoned water and abandoned wind is the 2017 Government Work Report An important task of layout is crucial to promoting the sustainable and healthy development of the renewable energy industry. Since the beginning of this year, all provinces (autonomous regions, municipalities directly under the Central Government) and power grid enterprises have conscientiously implemented the requirements of the "Government Work Report" and intensified efforts to adopt various measures to expand the consumption of renewable energy power, which has achieved certain results, but to achieve effective mitigation throughout the year. There is still a lot of pressure on the situation of abandoning water and abandoning the wind. The progress of alleviating the situation of abandoning water, abandoning wind and abandoning light in the first three quarters of 2017 will be reported, and corresponding requirements for the completion of the year-round work will be made. First, the initial results of solving the problem of abandoning water, abandoning wind and abandoning light In the first three quarters of this year, the situation of abandoning water and abandoning the wind in the country has improved, and the overall level of consumption of renewable energy has gradually increased. Abandoned water consumption decreased by 3.5 billion kWh year-on-year, southwest hydropower water utilization rate increased by about 2 percentage points year-on-year; abandoned wind power decreased by 10.3 billion kWh, abandonment rate decreased by 6.7 percentage points year-on-year; abandoned photoelectricity increased by 1.4 billion kW At the time, the light rejection rate dropped by 4 percentage points year-on-year. The development and utilization of hydropower in key areas and major rivers (river sections) in the first three quarters and the development and utilization of wind power and photovoltaic power generation in various provinces (autonomous regions and municipalities directly under the Central Government) are attached. Winter is the most difficult period for wind power and photovoltaic power generation, and local areas are under pressure to abandon wind and light. At the same time, due to the impact of floods and extreme weather, Sichuan, Yunnan, and Guangxi hydropower still have large pressures to absorb. Energy management departments at all levels and power grid enterprises should attach great importance to reducing the importance of abandoning water, abandoning wind and abandoning light, and go all out to take effective measures. In 2017, all regions must strive to achieve the “double drop†of renewable energy abandonment and abandonment rate. ". Second, increase the local consumption of renewable energy Xinjiang, Gansu, Shanxi, Inner Mongolia, Liaoning, Jilin, Heilongjiang, Hebei and other regions to combine the clean heating work in the northern region, as soon as possible to expand the scale of wind power clean heating, in accordance with the spirit of power reform, through wind power Enterprises and electric heating enterprises and all types of electric heating users conduct electricity market transactions, and achieve wind power heating in line with the direction of clean and low carbon development. Relevant provincial energy management departments should guide local governments to organize wind power and electric heating enterprises, and establish wind power heating cooperation mechanisms with the support of power grid enterprises and power trading institutions. Xinjiang, Gansu, Inner Mongolia and other areas with severe power curtailment should urge self-supplied power plant enterprises to participate in the system peak-shaving operation and consumption of renewable energy, and expand the self-supplied power plants to absorb renewable energy through legally compliant power direct transactions or replacement power generation. Electricity. Sichuan, Yunnan, and Guangxi should promote local energy replacement through various channels to enhance the ability to consume renewable energy locally. Third, expand renewable energy power delivery and cross-provincial cross-regional trading of various regional power grids to strengthen inter-provincial mutual aid and inter-provincial reserve sharing, unified call peak resources in the region, and synergistic consumption of renewable energy. Power grid enterprises should explore the trans-provincial transmission capacity of Hami-Zhengzhou, Ningxia-Zhejiang, Jiuquan-Hunan and other provinces, and give priority to the transmission of renewable energy. The relevant energy regulatory agencies shall conduct annual monitoring and evaluation of the proportion of renewable energy in the cross-provincial power transmission channels. State Grid Corporation, China Southern Power Grid Corporation, Inner Mongolia Power Company, etc. will work with power trading institutions to expand cross-provincial cross-regional power spot transactions to absorb renewable energy. The central and eastern local governments and grid companies with the ability to dissipate renewable energy should combine the reduction of coal consumption in the region with the input of renewable energy outside the consumption zone, and the regional government of the active and inter-provincial cross-regional power transmission channel. In conjunction with grid companies, the space market space vacated by the region will be used preferentially to expand the utilization of renewable energy. IV. Establishing a linkage mechanism for renewable energy power consumption and new construction projects The energy management departments of all provinces (autonomous regions and municipalities directly under the Central Government) should cooperate with relevant departments and power grid enterprises to take effective measures to increase the consumption of renewable energy in winter and strive for wind power in 2017. The photovoltaic power generation abandonment power and the abandonment rate achieve “double downâ€. The early warning result is that the red region should significantly reduce the wind power and photovoltaic power generation abandonment rate, and strive to withdraw from the red limit as soon as possible; the early warning result is to ensure that the wind power and photovoltaic power generation abandonment rate does not increase; and accelerate the establishment of a hydropower investment and early warning mechanism. In 2017, the provinces (autonomous regions and municipalities directly under the central government) with a wind curtailment rate and a light rejection rate of more than 5%, such as 2017, have a larger increase in the rate of abandoned wind and light in the previous year. In 2018, the region will increase its annual wind power in the region. The scale of photovoltaic power generation construction will be reduced and measures for suspension and construction will be adopted.PVC is a white powder with an amorphous structure. The degree of branching is relatively small. The relative density is about 1.4. The glass transition temperature is 77~90°C. It begins to decompose at about 170°C. It has poor stability to light and heat. After prolonged exposure to sunlight, it will decompose to produce hydrogen chloride, and further automatically catalyze the decomposition, causing discoloration, and the physical and mechanical properties also rapidly decline. In actual applications, stabilizers must be added to improve the stability of heat and light.
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