Energy Management Strategy of PV Grid-Connected Household Nano-Grid System

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Creator: 

Ding, Yiyuan

Date: 

2018

Abstract: 

This thesis investigates the long-term optimal scheduling algorithm proposed for the energy storage system, to better organize charging/discharging action of battery for the economic operation in a PV grid-connected household nano-grid system. To fulfill this goal, the household nano-grid is modeled, including PV module, energy storage system, DC/AC inverter and their corresponding controllers. Battery is used to execute the optimal power command scheduled by long-term optimal scheduling algorithm. The optimal power scheduling algorithm is based on the rolling optimization method, which can realize the minimum operational cost of the PV nano-grid system. Moreover, a smoothing function is introduced to alleviate the power fluctuation of the exchanging power between PV nano-grid system and the main power grid caused by PV and residential loads. The validity of the proposed energy management strategy in upper Energy Management System (EMS) has been proved based on the simulation in MATLAB/Simpower.

Subject: 

Engineering - Electronics and Electrical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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