Predictive Control for Energy Management in Ship Power Systems Under High-Power Ramp Rate Loads

Vu, Tuyen; Gonsoulin, David; Diaz, Fernand; Edrington, Chris S.; El-Mezyani, Touria

doi:10.1109/tec.2017.2692058

Cited by 106 publications

(44 citation statements)

References 19 publications

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“…HESS comprising of a battery (higher energy density) and SMES (higher power density) proposed in [81] in order to cater to shiploads that cause sudden changes such as maneuvering and pulse loads. As the ramp-rate of vessel-generators such as gas-generators usually are in between 30-50 MW/min range and on the other hand, pulsed load require 100 MW/s ramp-rate that is far higher than the ramp-rate of generators [94]. Hence, ESS has become vital to deliver a huge amount of energy within a short period.…”

Section: Battery-smesmentioning

confidence: 99%

Energy Storage Systems for Shipboard Microgrids—A Review

et al. 2018

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In recent years, concerns about severe environmental pollution and fossil fuel consumption has grabbed attention in the transportation industry, particularly in marine vessels. Another key challenge in ships is the fluctuations caused by high dynamic loads. In order to have a higher reliability in shipboard power systems, presently more generators are kept online operating much below their efficient point. Hence, to improve the fuel efficiency of shipboard power systems, the minimum generator operation with N-1 safety can be considered as a simple solution, a tradeoff between fuel economy and reliability. It is based on the fact that the fewer the number of generators that are brought online, the more load is on each generator such that allowing the generators to run on better fuel efficiency region. In all-electric ships, the propulsion and service loads are integrated to a common network in order to attain improved fuel consumption with lesser emissions in contrast to traditional approaches where propulsion and service loads are fed by separate generators. In order to make the shipboard power system more reliable, integration of energy storage system (ESS) is found out to be an effective solution. Energy storage devices, which are currently being used in several applications consist of batteries, ultra-capacitor, flywheel, and fuel cell. Among the batteries, lithium-ion is one of the most used type battery in fully electric zero-emission ferries with the shorter route (around 5 to 10 km). Hybrid energy storage systems (HESSs) are one of the solutions, which can be implemented in high power/energy density applications. In this case, two or more energy storage devices can be hybridized to achieve the benefits from both of them, although it is still a challenge to apply presently such application by a single energy storage device. The aim of this paper is to review several types of energy storage devices that have been extensively used to improve the reliability, fuel consumption, dynamic behavior, and other shortcomings for shipboard power systems. Besides, a summary is conducted to address most of the applied technologies mentioned in the literature with the aim of highlighting the challenges of integrating the ESS in the shipboard microgrids.

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Section: Battery-smesmentioning

confidence: 99%

Energy Storage Systems for Shipboard Microgrids—A Review

et al. 2018

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“…The ramp-rate is the increased or decreased rate of the output power per minute and usually in MW/minute. The ramp-rate of ships' generators, such as gasturbine generators are in the range of 35 to 50 MW/minute, whereas the pulse loads required a 100 MW/second ramp-rate, which is significantly higher than the ramp-rate of the generators [3], [4]. If the changes in the loads are faster than the ramp rate of the generators, unbalanced power between loads and generators occurs, which leads to instability in the power system.…”

Section: Introductionmentioning

confidence: 97%

Stability Improvement of DC Power Systems in an All-Electric Ship Using Hybrid SMES/Battery

Alafnan

Zhang

Yuan

et al. 2018

IEEE Trans. Appl. Supercond.

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This version is available at https://strathprints.strath.ac.uk/64860/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Strathprints administrator: strathprints@strath.ac.ukThe Strathprints institutional repository (https://strathprints.strath.ac.uk) is a digital archive of University of Strathclyde research outputs. It has been developed to disseminate open access research outputs, expose data about those outputs, and enable the management and persistent access to Strathclyde's intellectual output. Abstract-As the capacity of all-electric ships (AES) increases dramatically, the sudden changes in the system load may lead to serious problems, such as voltage fluctuations of the ship power grid, increased fuel consumption and environmental emissions. In order to reduce the effects of system load fluctuations on system efficiency, and to maintain the bus voltage, we propose a hybrid energy storage system (HESS) for use in AESs. The HESS consists of two elements: a battery for high energy density storage and a superconducting magnetic energy storage (SMES) for high power density storage. A dynamic droop control is used to control charge/discharge prioritisation. Manoeuvring and pulse loads are the main sources of the sudden changes in AESs. There are several types of pulse loads, including electric weapons. These types of loads need large amounts of energy and high electrical power, which makes the HESS a promising power source. Using Simulink/Matlab, we built a model of the AES power grid integrated with a SMES/battery to show its effectiveness in improving the quality of the power grid.  Index Terms--All-electric ship (AES), hybrid energy storage system (HESS), superconducting magnetic energy storage (SMES), pulse load.

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“…The incline estimate is the expanded or diminished pace by the yield control every moment and more often than not into MW/minute. Here the slope pace of SM generators, for example, steam turbine generators are into the scope of 35 into 50 MW/minute, while the beat burdens recurred to a 100 MW/second incline rate, that is fundamentally greater than that slope pace of the renewable sources [3], [4]. On the off chance that the adjustments in the heaps are quicker than the incline pace of the generators, lopsided power among burdens and generators happens, which prompts shakiness in the power framework.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Modelling and Analysis of Dc Micro Grid is Connected to Submarine Power System to Improvement of Stability using Droop Control

Praveena*,

Rao,

Rao

2019

IJITEE

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Electricity usage is increasing day by day but we are unable to supply it. It needs to increase the use of renewable energy sources. Micro Grid is an alternative system to meet the rapid load changes in future with the hybrid energy system (HES). In this paper, the micro grid is constructed with combines battery and super capacitor to store the electrical energy, and the power management is done using the drop control strategy. The system is designed so that the micro grid can withstand different load challenges like step and pulse. The severity of the loss due to the sudden changes in submarine (SM) power system (SPS), voltage differences occur, it has to escape use the DC micro grid in this process analyzing the power controlling of DC micro grid, the battery, the super capacitor connected to the SPS power grid using Mat Lab/simulink.

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Predictive Control for Energy Management in Ship Power Systems Under High-Power Ramp Rate Loads

Cited by 106 publications

References 19 publications

Energy Storage Systems for Shipboard Microgrids—A Review

Energy Storage Systems for Shipboard Microgrids—A Review

Stability Improvement of DC Power Systems in an All-Electric Ship Using Hybrid SMES/Battery

Dynamic Modelling and Analysis of Dc Micro Grid is Connected to Submarine Power System to Improvement of Stability using Droop Control

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