Blar i Øvrige samlinger på forfatter "Zadeh, Mehdi"
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Co-Simulation of a Marine Hybrid Power System for Real-Time Virtual Testing
Ghimire, Pramod; Zadeh, Mehdi; Pedersen, Eilif (Chapter, 2021)Co-simulation enhances the efficient simulation development even for complex systems reducing time to market and computational effort. This work aims to develop a marine hybrid power system simulator using a co-simulation ... -
Comparative study of energy efficiency and cost optimization in low-emission marine power systems with alternative fuels
Sletten, Petter Solem; Zadeh, Mehdi (Chapter, 2021)Marine hybrid power systems fed by so-called "alternative fuels" are key enablers to reducing greenhouse gas emissions from ship propulsion and reaching international targets, particularly for large vessels. In this paper, ... -
Data-Driven Efficiency Modeling and Analysis of All-Electric Ship Powertrain; A Comparison of Power System Architectures
Zadeh, Mehdi; Thorstensen, Jarle; Pedersen, Eilif (Peer reviewed; Journal article, 2021)In this paper, a data-driven dynamic efficiency model is developed for efficiency evaluation and comparison of ship electric powertrain with various system configurations and load-sharing methods. Based on the proposed ... -
DC-DC Converter Control for Peak-Shaving in Shipboard DC Power System via Hybrid Control
Park, Daeseong; Zadeh, Mehdi; Skjetne, Roger (Chapter, 2020)For the stable operation of the shipboard hybrid DC power systems, the DC bus voltage should be controlled within the recommended range by the regulations. However, the challenge comes from the load variations, and it makes ... -
Digital Twin Modelling of Ship Power and Propulsion Systems: Application of the Open Simulation Platform (OSP)
Perabo, Florian; Park, Daeseong; Zadeh, Mehdi; Smogeli, Øyvind Rasmussen; Jamt, Levi (Peer reviewed; Journal article, 2020)Today, modelling and simulation technologies are extensively used in the maritime industry. As a reaction to changing market demands and environmental challenges, maritime systems are becoming more complex and coupled. ... -
Dynamic Efficiency Modeling of a Marine DC Hybrid Power System
Ghimire, Pramod; Zadeh, Mehdi; Pedersen, Eilif; Thorstensen, Jarle (Chapter, 2021)With the share of high-power electronic converters, the emerging marine DC hybrid power systems have been increasingly attractive for ship designers because of their higher operational flexibility. The system efficiency ... -
Dynamic Modeling and Real-Time Simulation of a Ship Hybrid Power System Using a Mixed-Modeling Approach
Ghimire, Pramod; Reddy, Namireddy Praveen; Zadeh, Mehdi; Pedersen, Eilif; Thorstensen, Jarle (Journal article, 2020)The electrification of a ship power-train is growing at a fast pace to improve efficiency and reduce emissions. The implementation of new technologies requires test and validation using various modeling approaches. However, ... -
Dynamic modeling, simulation, and testing of a marine DC hybrid power system
Ghimire, Pramod; Zadeh, Mehdi; Pedersen, Eilif; Thorstensen, Jarle (Peer reviewed; Journal article, 2020)The hybridization of power systems offers the low-emission and energy-efficient marine vessels. However, it increases the complexity of the power system. Design, analysis, control, and optimization of such a sophisticated ... -
Dynamic Modeling, Stability Analysis and Power Management of Shipboard DC Hybrid Power Systems
Park, Daeseong; Zadeh, Mehdi (Journal article; Peer reviewed, 2021)This paper proposes a framework for the stability analysis and control testing of marine hybrid power systems with DC power architecture. The dynamics of such active systems are increasingly influenced by interactive modes ... -
Dynamic Modelling of Fuel Cell Systems for Electric Propulsion
Shakeri, Nastaran; Zadeh, Mehdi (Chapter, 2021)In this paper, a dynamic model is developed for hybrid electric powertrains with fuel cell and batteries. The hybrid powertrain is considered mainly for marine propulsion with dynamic load, although the study can be ... -
Efficiency Estimation of Synchronous Generators for Marine Applications and Verification With Shop Trial Data and Real Ship Operation Data
Kifune, Hiroyasu; Zadeh, Mehdi; Sasaki, Hidetsugu (Journal article; Peer reviewed, 2020)Three methods were explored to estimate the efficiency for the conversion of mechanical power to electrical power using synchronous generators in ships at low power factors. Generally, the generator efficiency data is ... -
Electromagnetic Oscillation Origin Location in Multiple-Inverter-Based Power Systems Using Components Impedance Frequency Responses
Zhou, Weihua; Torres Olguin, Raymundo E.; Zadeh, Mehdi; Bahrani, Behrooz; Wang, Yanbo; Chen, Zhe (Peer reviewed; Journal article, 2021)Existing impedance-based stability criterion (IBSC) for electromagnetic stability assessment of multiple-grid-connected-inverter (GCI)-based power systems suffers from several limitations. First, global stability feature ... -
Energy Storage System as Auxiliaries of Internal Combustion Engines in Hybrid Electric Ships
Nam, Seungwan; Park, Daeseong; Zadeh, Mehdi (Chapter, 2020)This paper presents a design concept to overview the feasibility of utilizing modern energy storage systems as substitution of conventional machinery auxiliaries, which are necessarily installed to support internal combustion ... -
Evaluation of Energy Transfer Efficiency for Shore-to-Ship Fast Charging Systems
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2020)Shore-to-ship charging systems are usually designed based on various operational and design parameters including the onboard power and propulsion requirements, available charging times, and the capability of local power ... -
Green Smart Port Energy System Design: Optimal Sizing
D’Agostino, Fabio; Kaza, Daniele; Silvestro, Federico; Conte, Francesco; Rrukaj, Ritvana; Zadeh, Mehdi (Journal article; Peer reviewed, 2023)The paper proposes an optimal sizing methodology for a green smart port with the presence of renewable energy resources and two energy carriers: electricity and hydrogen. The problem solution provides the optimal size of ... -
Integrated Energy Systems for Green Ports; A Cost Model and Case Study
Ritvana, Rrukaj; Zadeh, Mehdi (Chapter, 2023)In this paper, an integrated port energy system is described and modeled based on cost modeling and including practical constraints. The model uses simulated power data to operate an energy management system (EMS) with ... -
Integrated Power and Energy System for Green Marine Ports; A Preliminary Design Approach
Ritvana, Rrukaj; Zadeh, Mehdi (Chapter, 2023)Electrification and alternative fuels with low carbon intensity are coming together to shape the future sustainable marine transport through integrated port energy systems. In this paper, a generic economic modeling approach ... -
Load Frequency-Based Power Management for Shipboard DC Hybrid Power Systems
Kwon, Kiyoune; Park, Daeseong; Zadeh, Mehdi (Peer reviewed; Journal article, 2020)The development of marine integrated power systems has enabled all-electric ship, with electric propulsion systems to be powered from diesel-generators. In addition, vessels with DC hybrid power sources such as fuel cell, ... -
Model-based efficiency and emissions evaluation of a marine hybrid power system with load profile
Ghimire, Pramod; Karimi, Siamak; Zadeh, Mehdi; Nagalingam, Krishna Kumar; Pedersen, Eilif (Peer reviewed; Journal article, 2022)In this paper, an efficiency and emissions evaluation framework for marine DC hybrid power systems is developed based on the physics- and data-based models of the power components. The proposed framework is tested under ... -
Modeling and control of ship propulsion with shaft generator and battery storage system
Gao, Fan; Brodtkorb, Astrid H.; Zadeh, Mehdi (Chapter, 2022)The use of shaft generators in marine applications makes it possible to operate the main engine more efficiently and to provide additional power to the electrical system. This paper develops a dynamic model and controller ...