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Capacitor-Clamped Inverter Based Transient Suppression Method for Azimuth Thruster Drives

conference contribution
posted on 2023-05-23, 18:19 authored by Shantha Jayasinghe Arachchillage, Shagar, V, Hossein EnshaeiHossein Enshaei, Mohammadi, D, Vilathgamuwa, M
The more-electric trend is there in almost all the corners of the automotive industry. The same trend is followed by the maritime transportation industry and as a result, conventional mechanical propulsion systems are gradually being overtaken by electric propulsion systems. An azimuth thruster driven by an electric motor is a common configuration found in modern electric propulsion systems. Due to the tight speed control and stiff drivetrain in these propulsion systems load transients easily get propagated into the dc-link of the motor drive and subsequently into the upstream power bus as well. These transients can cause disturbances to the other loads connected to the power system. In the worst case, stability of the shipboard power system gets affected by the transients. This paper proposes to use the capacitor-clamped inverter based motor drive itself to absorb such transients and thereby prevent the propagation into the power bus. The efficacy of the proposed concept is verified through computer simulations. Simulation results show that the capacitor-clamped inverter is capable of absorbing load transients without passing them to the upstream power bus.

History

Publication title

31st Annual IEEE Applied Power Electronics Conference & Exposition

Editors

Kimball, J

Pagination

2813-2820

Department/School

Australian Maritime College

Publisher

IEEE

Place of publication

USA

Event title

31st Annual IEEE Applied Power Electronics Conference & Exposition

Event Venue

Long Beach, USA

Date of Event (Start Date)

2016-03-20

Date of Event (End Date)

2016-03-24

Repository Status

  • Restricted

Socio-economic Objectives

International sea freight transport (excl. live animals, food products and liquefied gas)

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