Blar i NTNU Open på forfatter "Norum, Lars Einar"
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A real-time energy management system for smart grid integrated photovoltaic generation with battery storage
Nge, Chee Lim; Ranaweera, K.M. Iromi Udumbara; Midtgård, Ole-Morten; Norum, Lars Einar (Journal article; Peer reviewed, 2019)This paper proposes a real-time energy management system (EMS) suitable for rooftop PV installations with battery storage. The EMS is connected to a smart grid where the price signals indirectly control the power output ... -
A Robust Predictive MPPT Strategy: An Enabler for Improving the Photovoltaic Conversion Source
Nademi, Hamed; Soghomonian, Zareh; Norum, Lars Einar (Chapter, 2017)The key drivers for Maximum Power Point Tracking (MPPT) solutions in photovoltaic (PV) power plants are independency from solar panels, fast tracking of irradiance and temperature variations, and efficiency of conversion ... -
Adaptive Resonant Controllers in a Modular Multilevel Converter - An Analytical Study of the Circulating Current Suppressing Controller
Kjøsnes, Eivind Magnus Amundsen (Master thesis, 2018)In this thesis work, the modular multilevel converter was investigated. More specifically, an analytical study of circulating current suppression methods for low-bandwidth systems was undertaken. A comparative study of two ... -
An accurate MPPT scheme for photovoltaic modular-based Conversion units: A robus sensorless predictive aproach
Nademi, Hamed; Norum, Lars Einar; Wersland, Sigurd (Chapter, 2017)This research presents a Maximum Power Point Tracking (MPPT) algorithm for a solar photovoltaic (PV) power station which is constructed based on modified circuit topology of the Modular Multilevel Converter (MMC). The ... -
Analysis of a Photovoltaic Power Plant at Evenstad
Åsheim, Therese Bjørånesset (Master thesis, 2017)The aim of this master's thesis is to investigate the performance and operation of an existing grid connected PV power plant located at Evenstad in Norway. The PV system has a power rating of 70 kWp and has been operating ... -
Application of Modular Multilevel Converter for Interfacing Grid-Connected Photovoltaic Conversion Plants
Eggum, Eirik Grønvold (Master thesis, 2015)This thesis investigates the applicability of the Modular Multilevel Converter (MMC) for interfacing grid connected photovoltaic conversion plants. A detailed three-phase 9-level simulation model is implemented in Simulink. ... -
Application of Modular Multilevel Inverter for Interfacing Grid-Connected Photovoltaic Conversion Plants
Elahidoost, Atousa (Master thesis, 2016)The main focus of this master thesis is to investigate the application of modular multilevel converter (MMC) based grid-connected photovoltaic (PV) conversion systems, and a MATLAB/Simulink model of a PV system composed ... -
Arm Power Control of the Modular Multilevel Converter in Photovoltaic Applications
Acharya, Anirudh Budnar; Ricco, Mattia; Sera, Dezso; Teodorescu, Remus; Norum, Lars Einar (Journal article; Peer reviewed, 2019)In this paper, a control method is proposed that allows the extraction of maximum power from each individual photovoltaic string connected to the Modular Multilevel Converter (MMC) and inject balanced power to the AC grid. ... -
Comparison of Current Control Strategies in Modular Multilevel Converter
Wei, Jianzhao; Acharya, Anirudh Budnar; Norum, Lars Einar; Bauer, Pavol (Chapter, 2018)There is a need to transmit the power generated from windfarm in remote locations to the residential and industrial load. One of the suitable and economic solution for such long distance transmission of power is the High ... -
Control of a Linear Tubular Permanent Magnet Motor
Stamnes, Håkon Nistad (Master thesis, 2010)In this thesis a linear permanent magnet motor has been examined. The motor is designed by Resonator AS is a prototype. The motor is designed for usage in offshore drilling where maintenance demands are high. This linear ... -
Control of a Variable Speed Drive with a Multilevel Inverter for subsea applications
Giraldo Vasquez, Luis Carlos (Master thesis, 2010)This work deals with analyses of the control for a subsea drive with multilevel inverter. The use of those drives have become the new trend for using of pumps/compressors at minor oil and gas reservoirs located far away ... -
Control of Grid Connected Active Converter: Design of Control Strategies for Grid Synchronization
Low, Han Wee (Master thesis, 2013)Application of power electronics in power distributed generation industry has been a fast evolving technology. This is due to the rapid shift from conventional non-renewable energy source to renewable energy source which ... -
Control Techniques of Modular Multilevel Converter
Rødal, Gard (Master thesis, 2017)This thesis aims to address the challenge of suppressing the circulating current. Principle of operation and mathematical derivations, common control methods for inner dynamics and software/hardware algorithm implementation ... -
DC Grid with Energy Storage for Jack-up rigs
Bratfos, Axel Redse (Master thesis, 2014)Energy storage systems are used in various applications to compensate for a fluctuating power demand. For a jack-up drilling rig, energy storage can work as a buffer between load motors and diesel generators. During a ... -
Decision support from monitoring of hydro power stations: An approach to the vision of monitoring systems giving decision support in operation of hydro power stations
Mikkelsen, Joar Hylland (Master thesis, 2009)This report is the results of the work on a master thesis concerning intelligent monitoring of hydro power stations. In the report two different types of computer software is investigated to find out whether they are ... -
Design and Testing of Voltage Source Inverter and Motor Control System for Electric Vehicle
Opsahl, Lars Helge (Master thesis, 2015)With fast rotating permanent-magnet motors and compact battery storage units, the high performance motorsport community has, in recent years, started to utilize the quick response and high torque of electrical drivetrain ... -
Design of a Switch-Mode Power Electronic Converter for Teaching Laboratory
Solheim, Ragnhild (Master thesis, 2012)A power electronic switch-mode three-leg converter is a flexible converter and hence very useful for practical teaching of several disciplines within electric power engineering. It can be used as a half-bridge, full-bridge ... -
Design of Fault Tolerant Power Converters
Moonga, Mizinga Chipuwa (Master thesis, 2011)Abstract In recent years, multilevel converters have seen an increasing popularity in medium and high voltage applications. Reliability and fault tolerant are some of the significant aspects of multilevel converters. The ... -
Design of Roof PV Installation in Oslo
Nordahl, Siv Helene (Master thesis, 2012)This thesis is centered around the design of a grid-connected photovoltaic (PV) roof installation at a specific location in Oslo, Norway. The motivating factor in this study has been the growth of the solar industry globally, ... -
Determination of AC Characteristics of Superconducting Dipole Magnets in the Large Hadron Collider Based on Experimental Results and Simulations
Ambjørndalen, Sara Marie (Master thesis, 2017)The Large Hadron Collider (LHC) utilizes superconducting Main Dipole Magnets that bend the trajectory of the beam. The LHC ring is electrically divided into eight octants, each allocating a 7 km chain of 154 Main Dipole ...