Grid connection
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A Review of Power Electronics for Grid Connection of Utility-Scale Battery Energy Storage Systems Open
© 2010-2012 IEEE. The increasing penetration of renewable energy sources (RES) poses a major challenge to the operation of the electricity grid owing to the intermittent nature of their power output. The ability of utility-scale battery en…
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Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits Open
Power system operators are in search of proven solutions to improve the penetration levels of distributed generators (DGs) in the grid while minimizing cost. This transition is driven, among others, by global climate concerns, the growing …
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A critical survey of technologies of large offshore wind farm integration: summary, advances, and perspectives Open
Offshore wind farms (OWFs) have received widespread attention for their abundant unexploited wind energy potential and convenient locations conditions. They are rapidly developing towards having large capacity and being located further awa…
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A review of regulatory framework for wind energy in European Union countries: Current state and expected developments Open
This paper presents an overview of the regulatory framework for wind energy in European Union Member States. The analysis covers three main aspects of regulatory framework: support schemes, electrical grid issues and potential barriers for…
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Optimal control and management of a large-scale battery energy storage system to mitigate fluctuation and intermittence of renewable generations Open
Battery energy storage system (BESS) is one of the effective technologies to deal with power fluctuation and intermittence resulting from grid integration of large renewable generations. In this paper, the system configuration of a China's…
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Present and Future of Supercapacitor Technology Applied to Powertrains, Renewable Generation and Grid Connection Applications Open
Energy storage systems (ESS) are becoming essential as a solution for troublesome industrial systems. This study focuses on the application of a type of ESS, a high-power technology known in the literature as supercapacitors or electric do…
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Compressive Spatio-Temporal Forecasting of Meteorological Quantities and Photovoltaic Power Open
This paper presents a solar power forecasting scheme, which uses spatial and temporal time series data along with a photovoltaic (PV) power conversion model. The PV conversion model uses the forecast of three different variables, namely, i…
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Direct Connection of Supercapacitor–Battery Hybrid Storage System to the Grid-Tied Photovoltaic System Open
Made available in DSpace on 2018-12-11T16:55:12Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018-08-30
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Techno-economic assessment on hybrid energy storage systems comprising hydrogen and batteries: A case study in Belgium Open
This paper introduces a Techno-Economic Assessment (TEA) on present and future scenarios of different energy storage technologies comprising hydrogen and batteries: Battery Energy Storage System (BESS), Hydrogen Energy Storage System (H2ES…
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Performance Analysis of Medium-Voltage Grid Integration of PV Plant Using Modular Multilevel Converter Open
Modular multilevel converter (MMC) topology has emerged as an attractive solution for Photovoltaic (PV) applications. Such a structure due to its inherent modularity allows distributed architecture of utility scale PV plant. Moreover, conv…
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Output Analysis of Stand-alone PV Systems: Modeling, Simulation and Control Open
A stand-alone PV system was studied, designed and simulated for an isolated mountain area in Romania. This PV system was developed for energy production, ensuring energy independence (electricity for lighting and supply of power for electr…
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Small-Signal Stability Analysis of Type-4 Wind in Series-Compensated Networks Open
Type-4 wind is claimed to be immune from subsynchronous resonances (SSRs) that have been experienced by Type-3 wind with radial connection to series compensated lines. In this paper, we examine this claim through simplified analytical mode…
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Integration of Large Photovoltaic and Wind System by Means of Smart Transformer Open
Large renewable energy systems, e.g., photovoltaic and wind turbine, are connected to grid, which is usually weak, with long lines. This degrades power system stability and reliability. Additionally, the magnetic characteristic of a conven…
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Impact of grid connection of large-scale wind farms on power system small-signal angular stability Open
The grid connection of a large-scale wind farm could change the load flow/configuration of a power system and introduce dynamic interactions with the synchronous generators (SGs), thus affecting system small-signal angular stability. This …
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Transmission Design and Analysis for Large-Scale Offshore Wind Energy Development Open
The offshore wind resource is very large in many coastal regions, over 80,000 MW capacity in the region studied here. However, the resource cannot be utilized unless distant offshore wind generation can be effectively collected and brought…
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Power Quality Improvement in Solar Fed Cascaded Multilevel Inverter With Output Voltage Regulation Techniques Open
The presence of harmonics in solar Photo Voltaic (PV) energy conversion system results in deterioration of power quality. To address such issue, this paper aims to investigate the elimination of harmonics in a solar fed cascaded fifteen le…
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Technical and Economic Analysis of an HVDC Transmission System for Renewable Energy Connection in Afghanistan Open
Aged and insufficient domestic power plants and insecure, unreliable and expensive power imports pose significant challenges for the power sector of Afghanistan. On the other hand, due to the absence of a suitable transmission grid, the in…
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Optimization of stand-alone and grid-connected hybrid solar/wind/fuel cell power generation for green islands: Application to Koh Samui, southern Thailand Open
This paper presents the optimization of stand-alone and grid-connected hybrid power generation systems for green islands, with application to Koh Samui in southern Thailand. A techno-economic optimization analysis is applied using the Hybr…
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Charging Network Planning for Electric Bus Cities: A Case Study of Shenzhen, China Open
In 2017, Shenzhen replaced all its buses with battery e-buses (electric buses) and has become the first all-e-bus city in the world. Systematic planning of the supporting charging infrastructure for the electrified bus transportation syste…
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Research on Modeling and the Operation Strategy of a Hydrogen-Battery Hybrid Energy Storage System for Flexible Wind Farm Grid-Connection Open
Energy storage systems used for the flexible grid connection of wind farms in terms of minute time-scale usually consist of batteries. Due to the capacity constraints of batteries, when wind energy fluctuations exceed limits continuously, …
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Coordinated Control Strategies for SMES-Battery Hybrid Energy Storage Systems Open
Power swings may cause power system instability; therefore, hybrid energy storage systems (HESSs) are necessary to smooth the output of wind farms. Superconducting magnetic energy storage (SMES) systems have a high power density, whereas b…
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Techno-Economic Assessment of Hybrid Energy Off-Grid System - A Case Study for Masirah Island in Oman Open
Hybrid energy systems can provide various benefits to an island diesel power system.This paper analyses the technical and economic viability of hybrid energy system in the Masirah Island power system in Oman.The methodology involves the us…
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Social Interaction Effects and Connection to Electricity: Experimental Evidence from Rural Ethiopia Open
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Low-Frequency Stability Analysis of Inverter-Based Islanded Multiple-Bus AC Microgrids Based on Terminal Characteristics Open
For system planning of three-phase inverter-based islanded ac microgrids, the low frequency instability issue caused by interactions of inverter droop controllers is a major concern. When internal control information of procured commercial…
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Challenges of renewable energy development and deployment in Ghana: perspectives from developers Open
Renewable energy is key to the development of Ghana's power sector especially for the replacement of fossil fuels, which have become much a talk globally for contributing to climate change. Unfortunately, Ghana has seen little development …
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A metaheuristic optimization model for the inter-array layout planning of floating offshore wind farms Open
This paper presents an adapted particle swarm optimization model for the electrical layout planning of floating offshore wind farms (FOWFs). A comprehensive model is considered by taking into account the entire wind turbine connection poss…
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Energy efficiency evaluation of grid connection scenarios for stationary battery energy storage systems Open
The connection to the electrical grid is a key component of stationary battery energy storage systems. Utility-scale systems comprise of several power electronics units. Various grid connection topologies may be used, depending on the conv…
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Power-Synchronized Grid-Following Inverter Without a Phase-Locked Loop Open
This paper proposes a power-synchronized control strategy for grid-following inverters (GFLIs) to regulate their power exchange with the grid without any need for sensing/regulating the point of connection voltage. Contrary to conventional…
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Voltage Control in Low-Voltage Grids Using Distributed Photovoltaic Converters and Centralized Devices Open
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Grid connection of wave energy converter in heaving mode operation by supercapacitor storage technology Open
European energy policy guidelines recognise renewable energy sources the main mean to contrast the rapid fossil fuels depletion and the related global warming. Marine energy source represents an attractive and inexhaustible reservoir from …