Flicker source identification in meshed high voltage grids

Author

Renner, Herwig

Author_Institution

Inst. for Electr. Power Syst., Graz Univ. of Technol., Graz, Austria

fYear

2012

fDate

11-13 June 2012

Firstpage

1

Lastpage

6

Abstract

This paper describes a method to calculate the individual flicker emission of specific disturbers by means of simultaneous flicker level measurements in different bus bars of a meshed grid. The method is based on former investigations regarding the flicker propagation in meshed networks. With adequate flicker level measurements, the cubic flicker summation law and the specific flicker transfer factors which result out of the grid´s impedance matrix, a detailed analysis of the flicker emission situation in a grid can be done. A case study with electric arc furnaces in a 110 kV grid is presented as application example, including a sensitivity analysis.

Keywords

arc furnaces; busbars; impedance matrix; power grids; power supply quality; sensitivity analysis; busbars; cubic flicker summation law; electric arc furnaces; flicker emission; flicker propagation; flicker source identification; grid impedance matrix; meshed high voltage grid network; power quality; sensitivity analysis; simultaneous flicker level measurements; specific flicker transfer factors; voltage 110 kV; Furnaces; Level measurement; Power measurement; Power quality; Synchronization; Topology; Voltage fluctuations; Power quality; flicker emission; flicker transfer factor; meshed grid;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Power Quality and Supply Reliability Conference (PQ), 2012

Conference_Location

Tartu

Print_ISBN

978-1-4673-1980-5

Electronic_ISBN

978-1-4673-1978-2

Type

conf

DOI

10.1109/PQ.2012.6256213

Filename

6256213