Online STATCOM load estimation using inverter synchronized sampler and recursive least-squares

Author

Hoff, B. ; Sulkowski, Waldemar ; Ostrem, T.

Author_Institution

Narvik Univ. Coll., Narvik, Norway

fYear

2011

fDate

Aug. 30 2011-Sept. 1 2011

Firstpage

1

Lastpage

7

Abstract

In this paper, a state-space model of the power system is estimated as seen from the inverter using recursive least-squares (RLS). The inverter may function as a Static Synchronous Compensator (STATCOM), or connecting distributed energy sources to the grid. By using inverter synchronized sampling, measurement noise due to switching glitch are avoided. The method is well suited for online implementation in control design or smart grid applications. The method is verified by simulations and experiments using the estimated system as a one step predictor.

Keywords

invertors; least squares approximations; recursive estimation; state-space methods; static VAr compensators; control design; distributed energy sources; inverter synchronized sampler; measurement noise; one step predictor; online STATCOM load estimation; power system; recursive least-squares; smart grid applications; state-space model; static synchronous compensator; Estimation technique; Field Programmable Gate Array (FPGA); Static Synchronous Compensator (STATCOM); Voltage Source Inverters (VSI);

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Applications (EPE 2011), Proceedings of the 2011-14th European Conference on

Conference_Location

Birmingham

Print_ISBN

978-1-61284-167-0

Electronic_ISBN

978-90-75815-15-3

Type

conf

Filename

6020341