Abstract: A flexible power plant based on supercritical carbon dioxide power circulation is provided. The plant includes a heat source circulation system, a thermodynamic circulation system, a desalination system and a control system. The heat source circulation system is connected to the thermodynamic circulation system and the seawater desalination system, and provides heat source required for their operations, respectively; the control system is simultaneously connected to respective actuators of the heat source circulation system, the thermodynamic circulation system and the seawater desalination system, and controls their operations, correspondingly.

Abstract: The present invention relates to the technical field of wind turbine energy storage, and discloses an offshore wind turbine generator set having a compressed energy storage system, including a wind turbine generator set, an air compressor set, an air expander set, a first motor generator, a three-in-one motor which are provided in a wind turbine generator compartment, and a combined air storage device provided outside the wind turbine generator compartment, in which the first motor generator is alternatively connected to the wind turbine generator set or the air compressor set, the air compressor set is coaxially connected to the air expander set by means of a three-in-one motor, the combined air storage device includes a first air storage device provided in a tower barrel and a second air storage device provided on the sea, an input end of the combined air storage device is connected to the air compressor set, and an output end of the combined air storage device is connected to the air expander set.

Abstract: The present invention relates to the technical field of wind turbine energy storage, and discloses an onshore wind turbine generator set having a compressed energy storage system, including a wind turbine generator set, an air compressor set, an air expander set and a motor generator which are provided in a wind turbine generator compartment, and a combined air storage device provided outside the wind turbine generator compartment; the motor generator has a first input shaft and a first output shaft, the first input shaft is connected to the wind turbine generator set by means of a first clutch, and the first output shaft is connected to the air compressor set; the combined air storage device includes a first air storage device provided in a tower barrel and a second air storage device provided underground, and the inner cavity of the first air storage device is in connection with the inner cavity of the second air storage device.

Abstract: A flexible power plant based on supercritical carbon dioxide power circulation in combination with seawater desalination and a control method thereof are provided. By means of the integrated process based on supercritical carbon dioxide power circulation in combination with seawater desalination, the power plant uses a new two-stage supercritical CO2 Breton circulation to reduce the exhaust temperature of the heat source, enhance the thermal efficiency of the thermodynamic circulation, improve the flexibility and adjustability of the output of the thermal power plant, and correspondingly raise the utilization efficiency of the low-temperature dynamic heat source in the seawater desalination process, so that it serves as a standing “flexible load” of the power plant, and further enhance the overall efficiency and flexibility of the power plant.

Abstract: The present disclosure provides a multipurpose multi-source heat-storing compressed air energy storage system and a method thereof, including a packed bed heat-storing device, a heat-storing circuit, a heat-releasing circuit, a gas-storing circuit, a photothermal circuit, a heating-supplying circuit and a cooling-supplying circuit, wherein the heat-storing circuit and the heat-releasing circuit are connected to the packed bed heat-storing device, respectively, and the heat-storing heat exchanger of the heat-storing circuit and the heat-releasing heat exchanger of the heat-releasing circuit are connected with the gas-storing circuit, respectively, the photothermal circuit is connected with the heat-storing circuit, the heating-supplying circuit is connected with the heat-releasing circuit and the photothermal circuit, the cooling-supplying circuit is connected to the packed bed heat-storing device and the photothermal circuit, the photothermal circuit heats the heat-storing circuit and the heat-releasing circu

Abstract: A multipurpose system of cooling and heating supply and firefighting servo-control based on energy-storage CO2 circulation and an operating method thereof are provided, the system based on the CO2 compression refrigeration circulation with three-stage compression and multi-stage energy storage, provides three-levels standing cool volume for the cool end, domestic hot water and heating for the hot end, and extinguishing agents CO2 for the firefighting end. By means of a new modular process design, the system realizes the independent operation and free combination of refrigeration circulation in multi-stages, so as to achieve the purpose of adjustable working conditions, flexible output and high efficiency of energy utilization. The multi-stage energy storage of liquid CO2 can realize the “flexibility” of system power consumption, and acts as a standing safety module for firefighting to be put into the safe operation of the energy system.