Design of energy management system in distributed power station

Author

Yang, Zilong ; Wu, Chunsheng ; Liao, Hua ; Xu, Honghua

Author_Institution

Dept. of Renewable Energy Source, Chinese Acad. of Sci., Beijing, China

fYear

2009

fDate

6-7 April 2009

Firstpage

1

Lastpage

5

Abstract

This paper presents an energy management system (EMS) for a grid-interactive droop-controlled distributed power station, which adjust inverter output based on the power source. The control architecture consists of two levels of hierarchy: (1) the P/Q droop control method of every inverter which can manage the output power of each unit in order to avoid critical communication lines; (2) the management of the distributed power station (DPS) through the control of the setpoints of the units in function of the battery charge level for different operation mode. A DPS Matlab/Simulink model includes two 10 kW and one 5 kW PV/battery/inverter systems was setup and optimized inverter outputs are then implement in real-time by the EMS.

Keywords

distributed power generation; energy management systems; invertors; power distribution control; DPS Matlab-Simulink model; P-Q droop control method; PV-battery-inverter systems; energy management system; grid-interactive droop-controlled distributed power station; power 10 kW; power 5 kW; power source; Battery management systems; Communication system control; Communication system operations and management; Energy management; Inverters; Mathematical model; Medical services; Power generation; Power system management; Power system modeling; Inverter; PV array; distribution power station (DPS); droop control; energy management system (EMS); energy storage;

fLanguage

English

Publisher

ieee

Conference_Titel

Sustainable Power Generation and Supply, 2009. SUPERGEN '09. International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-4934-7

Type

conf

DOI

10.1109/SUPERGEN.2009.5348233

Filename

5348233