一种低碳抽水蓄能电站系统

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By using a wind-solar-hydro integrated unit to provide self-consumption electricity for the pumped storage power station, combined with the constant-temperature water resources of the lower reservoir, the problems of carbon emissions and air conditioning system energy consumption in the low-carbon pumped storage power station have been solved, thus achieving the low-carbon goal of the low-carbon pumped storage power station.

CN224515295UActive Publication Date: 2026-07-17POWERCHINA BEIJING ENG CORP

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: POWERCHINA BEIJING ENG CORP
Filing Date: 2025-07-22
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

In existing low-carbon pumped storage power station technologies, carbon emissions receive little attention, and air conditioning systems have high energy consumption and carbon emissions, resulting in serious waste of electrical energy resources.

Method used

The wind-solar-hydro integrated unit provides self-consumption power for the pumped storage power station. Combined with the natural cold/heat source (constant temperature water in the lower reservoir) of the main unit of the pumped storage power station, and through the reversible unit, the power is inverted and regulated, reducing the carbon emissions of self-consumption power and the energy consumption of the air conditioning system.

Benefits of technology

It reduces carbon emissions from self-consumption of electricity, improves the energy efficiency of the air conditioning system, reduces the energy consumption and waste of electrical resources of the air conditioning system, and achieves the low-carbon goal of the low-carbon pumped storage power station.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224515295U_ABST

Patent Text Reader

Abstract

本实用新型属于抽水蓄能电站技术领域，提供了一种低碳抽水蓄能电站系统；包括抽水蓄能电站主体单元、风水光一体化单元和电网；抽水蓄能电站主体单元包括：上水库、电站厂房、下水库、电站营地、水轮机组，电站营地与电站厂房通过电力运输线路连接，上水库为电站厂房供水，水轮机组布置在电站厂房区域，上水库、下水库为水轮机组供水；风水光一体化单元与抽水蓄能电站主体单元连接，用于为抽水蓄能电站主体单元提供自用电，风水光一体化单元包括：上水库水光一体光伏系统，风力发电系统和光伏发电系统，下水库水光一体光伏系统；电网与抽水蓄能电站主体单元通过电力运输线路连接。本实用新型可以充分利用抽水蓄能电站的资源禀赋，减少碳排放。

Need to check novelty before this filing date? Find Prior Art

Claims

1. A low-carbon pumped hydro storage power plant system, characterized by, It includes the main unit of the pumped storage power station, the integrated wind, water and solar power unit and the power grid; The main unit of a pumped storage power station includes: an upper reservoir, a power plant, a lower reservoir, a power station camp, and turbine units. The power station camp and the power plant are connected by a power transmission line. The turbine units are located in the power plant area. The upper reservoir supplies water to the power plant, and the upper and lower reservoirs supply water to the turbine units. The wind-water-solar integrated unit is connected to the main unit of the pumped storage power station and is used to provide self-use power for the main unit of the pumped storage power station. The wind-water-solar integrated unit includes: an upper reservoir water-solar integrated photovoltaic system set in the area of the upper reservoir, a wind power generation system and a photovoltaic power generation system set around the upper reservoir, and a lower reservoir water-solar integrated photovoltaic system set in the area of the lower reservoir. The power grid is connected to the main unit of the pumped storage power station via power transmission lines.

2. The low-carbon pumped hydro storage power plant system of claim 1, wherein, A reversible generator unit is installed between the main unit of the pumped storage power station and the power grid. When the power generation of the integrated wind, water, and solar power unit is greater than the self-consumption power of the main pumped storage power station unit, the power generated by the integrated wind, water, and solar power unit is inverted and fed into the power grid through the reversible generator unit; when the power generation of the integrated wind, water, and solar power unit is less than the self-consumption power of the main pumped storage power station unit, the power from the power grid is supplemented to the main pumped storage power station unit through the reversible generator unit.

3. The low-carbon pumped hydro storage power plant system of claim 1, wherein, The upper reservoir integrated photovoltaic system, the wind power generation system, the photovoltaic power generation system, and the lower reservoir integrated photovoltaic system are all connected to the power plant and the power plant camp, and provide self-use electricity for the power plant camp and the power plant.

4. The low-carbon pumped hydro storage power plant system of claim 3, wherein, The self-use electricity of the power station camp and the power station plant includes: electricity for the lighting system, ventilation system, and air conditioning system of the power station plant and the power station camp.

5. The low-carbon pumped hydro storage power plant system of claim 4, wherein, The air conditioning system includes a plate heat exchanger, an air conditioning unit, a heat pump, and a compressor; The plate heat exchanger is connected to the water channel of the lower reservoir and is used for direct water-cooled heat exchange in cooling mode; The air conditioning unit is connected to the waterway of the lower reservoir and is used for cooling under high-temperature conditions; The heat pump is connected to the water circuit of the lower reservoir and the compressor for heating mode; The compressor and the heat pump work together to form a refrigerant circulation loop.

6. The low-carbon pumped hydro storage power plant system of claim 5, wherein, The air conditioning system is supplied with cooling water from the lower reservoir.

7. The low-carbon pumped hydro storage power plant system of claim 6, wherein, Temperature sensors are installed in the deep water area of the lower reservoir to monitor the water temperature of the lower reservoir. When the air conditioning system needs to cool, if the water temperature of the lower reservoir is detected to be less than or equal to the preset temperature a, the water in the lower reservoir is passed through the plate heat exchanger in the air conditioning system for heat exchange, so as to achieve cooling by the air conditioning system. If the water temperature in the lower reservoir is detected to be higher than the preset temperature a, the air conditioning unit in the air conditioning system is used for cooling to achieve cooling supply of the air conditioning system, and the water in the lower reservoir is used for cooling the condenser of the air conditioning unit in the air conditioning system.

8. The low-carbon pumped hydro storage power plant system of claim 5, wherein, The air conditioning system is heated by water from the lower reservoir.

9. The low-carbon pumped hydro storage power plant system of claim 8, wherein, When the air conditioning system needs to heat, the water of the lower reservoir is heated by the heat pump in the air conditioning system.

10. The low-carbon pumped hydro storage power plant system of claim 9, wherein, When the air conditioning system heats, the heat of the air conditioning system is released by the compression of the refrigerant and the heat of the lower reservoir is absorbed by the expansion of the refrigerant.