The effect of load condition on stability in isolated Microgrids

Author

Kohansal, M. ; Gharehpetian, G.B. ; Rahmatian, M. ; Abedi, M. ; Sanjari, M.J.

Author_Institution

Electr. Eng. Dept., Amirkabir Univ. of Technol., Tehran, Iran

fYear

2012

fDate

6-8 March 2012

Firstpage

28

Lastpage

32

Abstract

Microgrid (MG) is composed of loads, Micro-Sources (MS) and Energy Storage Systems (ESS) operating as a single controllable system. In MGs, with high levels of Distributed Energy Resources, the stability becomes an important issue. The concept of “base-load” might not be considered in a typical MG, i.e., large load variations are expected to occur. Furthermore, different load conditions are effective on MG stability. In this paper, a typical MG is modeled completely and eigenvalues of the system are extracted based on small signal analysis in state equations. Thereafter, different load conditions are investigated and critical conditions of the loads are obtained.

Keywords

distributed power generation; eigenvalues and eigenfunctions; MG stability; MS; eigenvalues; energy storage systems; isolated microgrids; load condition effect; Eigenvalues and eigenfunctions; Equations; Inverters; Load modeling; Mathematical model; Stability analysis; Voltage control; Eigenvalues; Microgrid modeling; Microgrid stability; State space equation;

fLanguage

English

Publisher

ieee

Conference_Titel

Renewable Energy and Distributed Generation (ICREDG), 2012 Second Iranian Conference on

Conference_Location

Tehran

Print_ISBN

978-1-4673-0663-8

Electronic_ISBN

978-1-4673-0664-5

Type

conf

DOI

10.1109/ICREDG.2012.6190463

Filename

6190463