Detail publikačního výsledku

Evaluation of Harmonics Impact on Digital Relays

WANNOUS, K.; TOMAN, P.

Originální název

Evaluation of Harmonics Impact on Digital Relays

Anglický název

Evaluation of Harmonics Impact on Digital Relays

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Digital relay is an important part of the power system and actually is based on fundamental frequency (50-60 Hz). Digital filter is applied for further processing and performs mathematical operations on sampled values. The digital signal processing (DSP) becomes more applied and used in proactive relays. Obviously, DSP is used in wide range of application (controls, radio, communications and other devices). In this paper the comparison between the conventional digital relay and developed relay using Matlab/Simulink is performed. As known the conventional relay is using mathematics algorithm to calculate the current input signal and to evaluate the fault current, total harmonic distortion (THD) and harmonic components. Likewise, the developed relay is using the current signal and evaluates it and converts the input signal to digital signal. Since the digital signal is more flexible and easier to progress it and work on it. Importantly, the test is used to evaluate the functions and mathematics for both relays.

Anglický abstrakt

Digital relay is an important part of the power system and actually is based on fundamental frequency (50-60 Hz). Digital filter is applied for further processing and performs mathematical operations on sampled values. The digital signal processing (DSP) becomes more applied and used in proactive relays. Obviously, DSP is used in wide range of application (controls, radio, communications and other devices). In this paper the comparison between the conventional digital relay and developed relay using Matlab/Simulink is performed. As known the conventional relay is using mathematics algorithm to calculate the current input signal and to evaluate the fault current, total harmonic distortion (THD) and harmonic components. Likewise, the developed relay is using the current signal and evaluates it and converts the input signal to digital signal. Since the digital signal is more flexible and easier to progress it and work on it. Importantly, the test is used to evaluate the functions and mathematics for both relays.

Klíčová slova

THD; Overcurrent relay; Sampling frequency; Simulink; Matlab; Harmonic signal

Klíčová slova v angličtině

THD; Overcurrent relay; Sampling frequency; Simulink; Matlab; Harmonic signal

Autoři

WANNOUS, K.; TOMAN, P.

Rok RIV

2018

Vydáno

17.05.2017

Nakladatel

VŠB - Technická univerzita Ostrava

Místo

Ostrava

ISBN

978-1-5090-6405-2

Kniha

Proceedings of the 2017 18th International Scientific Conference on Electric Power Engineering (EPE)

Strany od

515

Strany do

520

Strany počet

752

BibTex

@inproceedings{BUT137691,
  author="Kinan Hasan Wafaa {Wannous} and Petr {Toman}",
  title="Evaluation of Harmonics Impact on Digital Relays",
  booktitle="Proceedings of the 2017 18th International Scientific Conference on Electric Power Engineering (EPE)",
  year="2017",
  pages="515--520",
  publisher="VŠB - Technická univerzita Ostrava",
  address="Ostrava",
  doi="10.1109/EPE.2017.7967311",
  isbn="978-1-5090-6405-2"
}