太阳能热动力储能系统

• Format: Patent
• Language: Chinese
• Published: 19.04.2017
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PRODUCING MECHANICAL POWER; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SPRING, WEIGHT, INERTIA OR LIKE MOTORS; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

本发明涉及种储能系统，具体的说是太阳能热动力储能系统，属于能量储存技术领域。其包括太阳能集热系统、压缩储能系统和热动力膨胀系统，通过光伏发电装置发电驱动高压压缩机工作，外部电能通过电站电网驱动高压压缩机和低压压缩机工作，通过膨胀机膨胀发电释放能量。本发明能够将电站电网低谷电能及白天太阳能光伏发电多余电量进行储能，充分利用太阳能光伏发电和阳光热动力储存热量发电，提高了能量的利用效率，降低了发电成本，提高了经济效益。 The invention relates to an energy storage system, in particular to a solar thermal dynamic energy storage system, belonging to the technical field of energy storage. The solar thermal dynamic energy storage system comprises a solar collecting system, a compressed energy storage system and a thermal power expansion system, wherein a photovoltaic power generation device can generate electricity to drive a high-pressure compressor to work, external electric energy can drive the high-pressure compressor and a low-pressure compressor to work through a power grid of a power station, and an expansion machine can swell to generate electricity to release energy. According to the energy storage system, the valley electric energy of the power grid of the power station and residual electric quantity generated throu