Comprehensive energy system relying on energy fusion of multiple power stations

Abstract

The invention discloses a comprehensive energy system relying on multi-power-station energy fusion, and the system comprises a photovoltaic power generation system which converts solar energy into electric energy, converts the electric energy into alternating current through an inverter, and then is connected with an external power grid; the wind power generation system converts wind energy into electric energy and is connected with an external power grid through a frequency converter; the external power grid provides stable high-voltage alternating current, and the high-voltage alternating current is converted into low-voltage electricity through a transformer to supply power to users; the heat storage device supplies power and generates heat through a photovoltaic power generation system or a wind power generation system so as to supply heat to users; the power storage device is used for storing power through a photovoltaic power generation system or a wind power generation system and supplying power to users; redundant electric quantity generated by the photovoltaic power generation system and the wind power generation system is effectively utilized through the dispatching system, electric energy is stored through the electricity storage device, heat energy is stored through the heat storage device and provided for users in the electricity utilization peak period, the power supply pressure of an external power grid is relieved, and the energy utilization rate is increased.

Description

technical field [0001] The invention relates to the technical field of integrated energy, and in particular to an integrated energy system relying on multi-power station fusion energy. Background technique [0002] Integrated energy system refers to the use of advanced physical information technology and innovative management mode in a certain area to integrate coal, oil, natural gas, electric energy, thermal energy and other energy sources in a certain area to achieve coordinated planning, coordination and planning among various heterogeneous energy subsystems. Optimal operation, collaborative management, interactive response and mutual assistance. While meeting the diversified energy demand in the system, it is necessary to effectively improve the efficiency of energy utilization and promote the sustainable development of energy as a new integrated energy system. [0003] Existing integrated energy systems cannot effectively utilize excess new energy power generation, res...

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Problems solved by technology

[0005] The invention mainly solves the problem of low utilization rate of energy in the comprehensive energy system in t

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