The 2016 China PV Leadership Summit was held on April 26 at the Tanglaya Xiu Hotel in Beijing. With the theme of "Photovoltaic Thirteen Five, Opportunities and Challenges in Innovation and Upgrading", the forum brought together representatives from governments, enterprises, institutions of higher learning and scientific research institutes to jointly offer advice and suggestions on the development prospects of China's PV industry. Ding Jie, deputy director of the Institute of New Energy, China Electric Power Research Institute, said in his keynote speech, photovoltaic power generation so far for many years, we all know that PV plants and conventional power plants are not the same, as wind power, photovoltaic power generation caused by intermittent and random A lot of grid problems. Many power stations have been discarded, limited power problems, for the voltage stability, the system frequency modulation peak shaving, power quality problems caused by the island and so on are often not enough attention. Ding Jie also said that although domestic power plants have been in operation for many years, many problems still exist. From the construction of power plants, quality acceptance and long-distance assessment to late assessment, some problems are mainly manifested in the power attenuation of photovoltaic modules, cracking of photovoltaic modules, The phenomenon of hot spot, the deviation of the PV modules and PV modules uneven power generation and so on. On the other hand, from the photovoltaic system platform point of view, it should be said that the accuracy is poor, the application efficiency is low. More prominent are: First, the lack of maintenance of weather stations, the test accuracy of less than 5%, many in an abnormal state; Second, the power plant monitoring system is not ideal, the monitoring accuracy is not accurate, the data packet loss rate is high, and some power plants by Thirdly, more monitoring systems are rebuilt by SCADA systems of non-PV power plants and their pertinence is generally poor. In particular, the alarm function can not precisely locate the fault point and can not meet the actual needs of PV operation and maintenance. Fourthly, Is a large group of photovoltaic power station group formed a large number of data, the traditional power plant-class data platform is not competent for massive data storage management; Fifth, the traditional data platform for the lack of targeted mining, it is difficult to make a difference. Ding Jie also summed up the existing problems: First, large-capacity grid-connected security issues, the second is the quality of photovoltaic power generation, the third is the monitoring and use of photovoltaic data problems. At the same time, Ding Jie also gave a solution, first, photovoltaic power plant grid control technology to improve, the second is to photovoltaic power station performance evaluation techniques do a good job, the third is the use of photovoltaic intelligent data platform functions continue to photovoltaic operation and maintenance Etc. to provide optimization and improvement. For centralized ground photovoltaic power plants, active control, reactive power voltage control, power prediction, fault traversal, the relevant technical requirements have national or industry standards. It should be pointed out that this is an emerging industry, some of the standards in the production run is reasonable, so many standards are revised and improved. Active control technology is particularly important for grid-connected, especially for the scheduling of photovoltaic power plants. Due to Abandoned Power Limited has not been effectively resolved, the power control for the refinement of the operation so far we have not paid enough attention. According to the system instruction, the power dispatching can adjust the active power, and the power can be adjusted automatically according to the frequency of the system. There are a variety of modes of active regulation, which mode is crucial. Photovoltaic power station and grid technology also involves reactive control, give full play to the photovoltaic power station inverter reactive power regulation, can reduce the power plant reactive power compensation device capacity investment, which is grid-connected inverter technology advances. For photovoltaic power forecasting technology, Ding Jie believes that a reasonable arrangement of photovoltaic power generation plan can improve the safety of power grids, reliability and ability to absorb solar energy. The operation of the PV power plant knows that it involves three key aspects, one is the numerical weather forecasting technology, the other is the quality of the weather station of the PV power station, whether the real-time collection is accurate or not and is not stable and reliable, and the third is modeling and real- technology. 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