4results about How to "Increase Internet power" patented technology

The invention discloses a water-light-storage long-term and short-term collaborative scheduling optimization method, which belongs to the technical field of hydropower and photovoltaic complementary operation, and comprises the following steps: simulating a short-term typical annual runoff process and a photovoltaic process based on multiple scenes; in real-time economic operation, according to a water-light complementation relation, a priority internet access sequence is made, and a water-light-storage complementation strategy is determined; on the basis of the above steps, a target function with the maximum generating capacity as a target is constructed based on the obtained long-term photovoltaic power abandoning curve and the obtained long-term pumping storage utilization photovoltaic curve, then a water-light-storage complementary system model is constructed by combining constraint conditions, the water-light-storage complementary system model is solved by adopting a discrete differential dynamic programming algorithm, and a medium-and-long-term optimal scheduling sample is obtained; the available energy is adopted as an input variable, so that a complementary scheduling function is fitted; and water resources can be more effectively utilized through the complementary scheduling function, so that the hydroelectric generating capacity is improved. And meanwhile, the scheduling flexibility of the hydropower station can be better matched with the instability of photovoltaic power generation, so that the utilization rate of photovoltaic power generation is improved.

The application discloses a kind of photovoltaic power station capacity matching ratio calculation method and device.The calculation method can realize: by the first set and the second set are crossed combination and obtain the multiple combination numbers of coupling multi-factor, and coupling is obtained in the total power generation of each combination number corresponding preset period in combination with the two major influencing factors of the electric parameter of energy storage system and the light abandonment quantity of photovoltaic power station, the calculation precision of the total power generation of each combination number corresponding preset period can be improved by the coupling effect of multi-factor, in turn be favorable to improve the calculation precision of subsequent capacity matching ratio.And according to the total power generation of each combination number corresponding preset period of higher calculation precision and preset index, target combination number meeting preset index condition can be accurately screened, so as to accurately determine capacity matching ratio according to target combination number, in turn ensure the rationality of capacity configuration, improve the income of photovoltaic power station installation energy storage, improve on-grid power.

The utility model belongs to the field of wind power supply management, and discloses a micro-grid power supply management system based on wind power hydrogen production, which comprises a wind power module, a power supply management platform, a user side and a cloud management platform, the wind power module, the power supply management platform and the user side are electrically connected in sequence; the wind power module and the power supply management platform are both in communication connection with the cloud management platform; the power supply management platform is composed of an energy storage module, a power utilization system main switch and a user power acquisition module which are connected in sequence; the user power acquisition module is in communication connection with the cloud management platform; the user side is composed of a controller group and a user equipment group which are connected in sequence. According to the technical scheme, aiming control is carried out on wind power hydrogen production based on single or multiple users, and the practicability and the on-grid power of a wind power plant are further improved.

The invention provides a comprehensive energy supply system based on compressed air energy storage and thermal power energy supply and a control method. The comprehensive energy supply system comprises a thermal power generating unit energy supply device, a compressed air energy storage device, an air expansion acting device and a heat storage device. The thermal power generating unit energy supply device, the compressed air energy storage device and the air expansion acting device are sequentially connected, electric energy generated by the thermal power generating unit energy supply device drives the compressed air energy storage device, and the heat storage device is connected with the thermal power generating unit energy supply device, the compressed air energy storage device and the air expansion acting device in an on-off mode. When the comprehensive energy supply system needs peak regulation, the compressed air energy storage device is started to store energy, and the on-grid electric quantity of the comprehensive energy supply system is reduced; when the comprehensive energy supply system needs a peak, the air expansion acting device is started to act and generate power, and the on-grid electric quantity of the comprehensive energy supply system is improved.