DOI: https://doi.org/10.15407/techned2019.01.029

PROVISION OF ELECTROMAGNETIC COMPATIBILITY OF A HIGH-POWER SOFT STARTER WITH VESSEL’S POWER SYSTEM IN DYNAMIC MODES

Authors
V. Busher¹, V. Zakharchenko², О. Glazeva², K. Khandakji^3
1 – Odesa National Polytechnic University, Odessa, Ukraine,
pr. Shevchenka, 1, Odesa, 65044, Ukraine,
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² – Odesa National Maritime Academy, Odessa, Ukraine,
st. Didrikhsona, 8,Odesa, 65029, Ukraine,
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³ – Tafila Technical University,
Tafila, Jordan,
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Abstract

A soft starter-fed high voltage induction motor drive of a ship bow thruster is simulated. The synthesis procedure and switching methodology of a C-type filter are proposed to ensure the electromagnetic compatibility of the electric drive with the ship electrical power system in transient and steady-state conditions. Analysis shows that, suppression of high-frequency components in transients, and maintaining the power factor at the optimum level in steady-state operation is reasonable by using a 5th-harmonic capacitive filter, ensuring the appropriate switching of the filter elements simultaneously with the connection of the by-pass contactor. The filters of the 7th, 11th/13th harmonics are selected in such a way to ensure that the total harmonic distortion of the line current and voltage meet the standards defined by IEC. References 9, figures 2.

Key words: high-power soft starter, electromagnetic compatibility, dynamic mode, passive filter, total harmonic distortion, vessel’s power system, Fourier transform.

Received:    05.03.2018
Accepted:    17.09.2018
Published:   10.01.2019

References

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