Electric power system comprising electric power flow router and scheduling method thereof

Abstract

The invention discloses an electric power system comprising an electric power flow router and a scheduling method thereof. The system comprises an intelligent power grid and an electric power flow router connected with the intelligent power grid. The electric power flow router is connected with a conventional unit, a renewable energy unit, a fixed load and an elastic load; the electric energy generated by the conventional unit and the electric energy generated by the renewable energy unit are transmitted to the intelligent power grid through the power flow router; and the intelligent power grid transmits the electric energy to the fixed load and the elastic load through the power flow router. By additionally arranging the novel power flow router in the power grid, the transmission capability and the power flow control capability of the power grid can be improved, and the operation modes are flexible and diverse; and the situation of wind curtailment or load shedding is well avoided through a re-check scheduling scheme, and meanwhile, renewable energy output beyond the day-ahead scene plan is effectively consumed, and a good renewable energy consumption effect is achieved.

Description

technical field [0001] The present application relates to the technical field of power dispatching, in particular to a power system including a power flow router and a dispatching method thereof. Background technique [0002] Due to the non-renewability of fossil energy, my country has developed rapidly in wind power, photovoltaic and other renewable energy fields in recent years. The three-north region has relatively high curtailment of wind and light, which seriously hinders the healthy development of renewable energy. In addition to factors such as peak shaving capacity and insufficient market space for consumption, the limitation of power grid transmission capacity is also one of the key factors restricting the consumption of renewable energy. [0003] In order to improve the flexibility of power grid transmission capacity and accommodate renewable energy, many scholars at home and abroad have proposed the concept of Power Flow Controller (PFC), such as TSC, SSSC, STATCO...

AI Technical Summary

Problems solved by technology

[0004] Problems in existing technical solutions: current research on Power Flow Router (PFR) mostly focuses on its mathematical modeling and optimization of power flow, and no related research on renewable energy consumption technology has been seen

At the same time, the optimal scheduling model designed with the goal of maximizing the renewable energy consumption capacity is relatively simple, and the wind power output scenario considered is relatively single, and only the day-ahead scheduling optimization scheme is considered, which cannot well accommodate unplanned wind power. fluctuation

In addition, the swarm intelligence algorithm adopted has room for performance improvement in terms of convergence speed and optimization accuracy

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