Energy flow analysis method and system in energy station

Abstract

The invention discloses an energy flow analysis method and system in an energy station, and the method comprises the steps: obtaining the power generation amount of all renewable energy electric fields connected to the energy station based on a preset operation strategy of an energy router; determining an interval to which the generating capacity of the renewable energy electric field belongs based on a pre-divided generating capacity interval of the renewable energy electric field; based on the interval of the generating capacity of the renewable energy electric field, determining the operation condition of an energy station and an adopted energy flow equation, wherein a photovoltaic power generation field and a wind power generation field in the renewable energy electric field and a generator in the combined cooling heating and power system are respectively connected with each input port of the energy router; respectively connecting the electric heating furnace and the refrigerating machine with an alternating current output port of the energy router; and connecting the flexible load with the direct current output port of the energy router. According to the invention, alternating-current and direct-current seamless hybrid power supply, plug-and-play of a distributed power supply and a flexible load device and fault isolation are realized.

Description

technical field [0001] The invention relates to the field of new energy, in particular to an analysis method and system for energy flow in an energy station. Background technique [0002] An energy router is an intelligent body that integrates grid cyber-physical systems with computing, communication, precise control, remote coordination, autonomy, and plug-and-play versatility. Its solid-state equipment adopts a fully flexible architecture, which has the functions of traditional transformers, circuit breakers, power flow control devices and power quality control devices; it can realize AC and DC seamless hybrid power supply, distributed power supply, flexible load (distributed energy storage, electric vehicle ) The device is plug and play; the intelligent control unit with information fusion realizes autonomous distributed control operation and energy management. [0003] With the continuous development of the Energy Internet, the coupling dependence between various energy...

AI Technical Summary

Problems solved by technology

At present, with the high penetration rate of renewable energy, the transformer of traditional energy station power conversion equipment can no longer fully accept new elements such as distributed power supply, energy storage, flexible load, etc., and cannot reasonably realize the two-way flow of energy. Fully flexible intelligent equipment to realize the acceptance of new elements, electricity-based multi-energy complementarity and interconnection and sharing, etc.

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