The periodical and continual PQ monitoring of selected distribution networks in Czech Republic

Author

Krejci, Petr ; Santarius, Pavel ; Bilik, Petr ; Cumpelik, Radim

Author_Institution

Fac. of Electr. Eng. & Comput. Sci., VSB - Tech. Univ. of Ostrava, Ostrava, Czech Republic

fYear

2011

fDate

17-19 Oct. 2011

Firstpage

1

Lastpage

6

Abstract

In the power company CEZ in the North Moravia Region (the Czech Republic) the monitoring of a number of selected parameters of the quality of electrical energy (harmonics, flicker and unbalance) is being carried out in cooperation with research laboratories of the Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava. The monitoring is being carried out in a complex manner in 59 feeding points 400 V, always within one week intervals, and at the same time on all voltage levels (HV, MV and LV). In the paper, the results of the complex monitoring during 12 years will be summarized together with the comparison of the changes of parameters after three years. In addition the results of annual continual monitoring for one selected locality on MV level will be presented in the paper. In addition the possibility of utilization of intelligent electrometers for monitoring of some quality parameters will be referred.

Keywords

distribution networks; electrometers; power supply quality; power system measurement; distribution networks; electrical energy; intelligent electrometers; voltage 400 V; Companies; Harmonic analysis; Monitoring; Power measurement; Power quality; Power system harmonics; Voltage measurement; flicker; harmonics; power quality; unbalance;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Power Quality and Utilisation (EPQU), 2011 11th International Conference on

Conference_Location

Lisbon

ISSN

2150-6647

Print_ISBN

978-1-4673-0379-8

Type

conf

DOI

10.1109/EPQU.2011.6128950

Filename

6128950