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Inventions 2016, 1(1), 5; doi:10.3390/inventions1010005

Modeling and Stability Analysis of Hybrid PV/Diesel/ESS in Ship Power System

1
College of Automation, Harbin Engineering University, Harbin 150001, China
2
Department of Electrical Engineering and Computer Science, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA
3
Department of Electrical Engineering, Chung Yuan Christian University, Chung Li 32023, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Josep M. Guerrero
Received: 23 January 2016 / Revised: 29 February 2016 / Accepted: 3 March 2016 / Published: 9 March 2016
(This article belongs to the Special Issue New Technologies for Maritime Power Systems)

Abstract

Due the concern about serious environmental pollution and fossil energy consumption, introducing solar generation into ship power systems has drawn greater attention. However, the penetration of solar energy will result in ship power system instability caused by the uncertainties of the solar irradiation. Unlike on land, the power generated by photovoltaic (PV) modules on the shipboard changes as the ship rolls. In this paper, a high-speed flywheel energy storage system (FESS) is modeled to smooth the PV power fluctuations and improve the power quality on a large oil tanker which contains a PV generation system, a diesel generator, a FESS, and various types of ship loads. Furthermore, constant torque angle control method combined with sinusoidal pulse width modulation (SPWM) approach is proposed to control the FESS charging and discharging. Different ship operating situations and the impact of the ship rolling is taken into consideration. The simulation results demonstrate the high efficiency and fast response of the flywheel energy storage system to enhance the stability of the proposed hybrid ship power system. View Full-Text
Keywords: flywheel energy storage system; hybrid ship power system; photovoltaic (PV) modules; ship rolling; constant torque angle control method; J0101 flywheel energy storage system; hybrid ship power system; photovoltaic (PV) modules; ship rolling; constant torque angle control method; J0101
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lan, H.; Bai, Y.; Wen, S.; Yu, D.C.; Hong, Y.-Y.; Dai, J.; Cheng, P. Modeling and Stability Analysis of Hybrid PV/Diesel/ESS in Ship Power System. Inventions 2016, 1, 5.

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