ANALYSIS OF VOLTAGE NON-SINUSIDALITY IN POWER SUPPLY SYSTEMS WITH INDUCTION HEATING UNITS

Dmitriy Yu. Rudi, Sergey V. Gorelov, Aleksandr I. Antonov, Mikhail G. Vishnyagov, Aleksandr A. Ruppel

DOI: 10.47026/1810-1909-2021-1-122-133

Key words

quality of electrical energy, total harmonic component, harmonics, electromagnetic interference, voltage unbalance, slow voltage changes, GOST 32144-2013.

Annotation

The importance of the problem of improving the quality of electrical energy grew along with the development and widespread introduction of various high-performance technological installations in production, such as arc steel-making furnaces, welding installations, induction furnaces, etc. in accordance with the requirements of the standard GOST 30804.4.7–2013 and in accordance with the measurement program. A method for processing the research results obtained during the experiment is described. All power quality indicators are processed using computer programs created in the Labview graphical programming environment. The analysis of indicators of the quality of electrical energy to the requirements of GOST 32144-2013 was carried out, according to the results of which conductive low-frequency electromagnetic interference was detected in the 0.4 kV electrical network according to the coefficient of the n-th harmonic voltage components. The obtained values ​​of the indicators of the quality of electrical energy, characterizing the coefficient of the n-th harmonic components of the voltage, confirm the need to use technical means to reduce the influence of higher harmonics on electrical networks.

References

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Information about the authors

Dmitriy Yu. Rudi – Post-Graduate Student, Department of Electric Power Systems and Electrical Engineering, Siberian State University of Water Transport, Russia, Novosibirsk (dima_rudi@mail.ru).

Sergey V. Gorelov – Doctor of Technical Sciences, Professor, Department of Electric Power Systems and Electrical Engineering, Siberian State University of Water Transport, Russia, Novosibirsk (nsawt_ese@mail.ru).

Aleksandr I. Antonov – Senior Lecturer, Department of Electrical Engineering and Electrical Equipment, Omsk Institute of Water Transport, Russia, Omsk (aleksandr_antonov_85@mail.ru).

Mikhail G. Vishnyagov – Candidate of Technical Sciences, Associate Professor, Department of Electrical Engineering and Electrical Equipment, Omsk Institute of Water Transport, Russia, Omsk (vishnyagov@mail.ru).

Aleksandr A. Ruppel – Candidate of Technical Sciences, Professor, Department of Electrical Engineering and Electrical Equipment, Omsk Institute of Water Transport, Russia, Omsk (ruppelsan@mail.ru).

For citations

Rudi D.Yu., Gorelov S.V., Antonov A.I., Vishnyagov M.G., Ruppel A.A. ANALYSIS OF VOLTAGE NON-SINUSIDALITY IN POWER SUPPLY SYSTEMS WITH INDUCTION HEATING UNITS. Vestnik Chuvashskogo universiteta, 2021, no. 1, pp. 122–133. DOI: 10.47026/1810-1909-2021-1-122-133 (in Russian).

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