A power system with a power flow router and its dispatching method

Abstract

This application discloses a power system with a power flow router and a dispatching method thereof. The system includes: a smart grid, a power flow router connected to the smart grid, and a power flow router connected with conventional units, renewable energy units, fixed loads, and elastic loads respectively. The loads are connected; the electric energy generated by the conventional unit and the electric energy generated by the renewable energy unit are transmitted to the smart grid through the power flow router; the smart grid transmits the electric energy to the fixed load and the elastic load through the power flow router. By installing a new power flow router in the power grid, this application can improve the transmission capacity and power flow control capability of the power grid, and the operation mode is flexible and diverse; and through the review of the dispatching plan, it is better to avoid the occurrence of wind abandonment or load shedding, and at the same time effectively Consume the renewable energy output that is not planned in the current scene, and achieve a good renewable energy consumption effect.

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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