grid integration Articles
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Grid Integration of Renewables
Facts : A large European system operator must connect 9 MW of new wind power on its 63 kV grid. Contraints : Building a new HV line will cost € 24 M with a 5-year delivery time. Ampacimon solution: ADR Sense was installed in 3 months, allowing a 50% increase in capacity, thus avoiding line congestion. Typical example: Ampacimon allows optimised use of existing lines in case of grid ...
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GIVS: integrity validation for grid security
In recent years, grid computing has been recognised as the next step in the evolution of distributed systems. However, only limited efforts have been made to address the security issues involved in these architectures. Questions like 'What happens if a user of the grid is interested in making the overall computation fail?' are still unanswered. In this paper, we address the problem of granting ...
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Economics of large-scale intermittent RES-E integration into the European grids: analyses based on the simulation software GreenNet
Market integration of Renewable Energy Technologies for Electricity (RES-E) generation is one of the core topics in the energy policy agenda of the European Commission (EC). However, legislation in this context still faces a variety of lacks (e.g. ignoring unbundling principles) in almost all countries of the European Union (EU). The recently finished EC-Project GreenNet addresses these existing ...
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CapREG - Capacity Development on Renewable Energy and Grid Integration - Case Study
Capreg 2014 - 2018 Indonesia, Philippines, Thailand, Vietnam, Mexico, Peru, Ecuador What is Capreg About? CapREG “Capacity Development on Renewable Energy and Grid Integration” is a capacity building programme financed by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU)within the German International Climate Initiative (IKI). From 2014 ...
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International energy technology collaboration: wind power integration into electricity systems
A rapid growth of wind power since the 1990s has led to notable market shares in some electricity markets. This growth is concentrated in a few countries with effective Research, Development and Demonstration (RD&D) programmes and with policies that support its diffusion into the market place. The speed and depth of its penetration in these electricity markets have amplified the need to address ...
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New Strategies for Power Grid Integration for Electric Vehicles
A interdisciplinary method to supporting future power systems in attaining low-carbon emission targets has been proposed by a collaborative research team led by the Chinese Academy of Sciences' Shanghai Advanced Research Institute and Nanjing University of Posts and Telecommunications. The findings were published in Renewable and Sustainable Energy Reviews on May 19th, 2023. The researchers ...
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The design and prototype of RUDA, a distributed grid accounting system
The grid environment contains a large and growing number of widely distributed sites with heterogeneous resources. It is a great challenge to dynamically manage and account for usage data of grid resources, such as computational, network, and storage resources. A distributed Resource Usage Data management and Accounting (RUDA) system is designed to perform accounting in the grid environment. RUDA ...
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Simulation-based evaluation of tidal current power output characteristics
Tidal current is considered to be one of the promising alternative green energy resources. This paper introduces a simulation based methodology to evaluate tidal current power output characteristics, including capacity factor, and power production variability patterns. Power variability analysis is crucial to grid integration systems design. The proposed methodology is applied to the well known ...
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Planning of the grid integration of wind energy in Germany onshore and offshore up to the year 2020
The ongoing penetration of large amounts of wind power capacities in Germany has strong impacts on the necessary promotion volumes (direct costs of Renewable Energy Source (RES) promotion) but also on necessary grid extensions, the future need for regulating and reserve power capacities, the thermal power plant system and the electricity price for end-consumers (indirect effects). On behalf of ...
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Utilities and the Auto Industry: A Romance That’s Meant to Be
In 1882, Thomas Edison opened the first power plant, and 8 years later, William Morrison released the first electric car in the United States. The electric utility and auto industry were born and the two would dabble with the idea of working together. Henry Ford, a good friend of Thomas Edison, wanted to build an electric vehicle (EV) version of the Model T. He told the New York Times in 1914 ...
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Project - FP204 - Sustainable Renewables Risk Mitigation Initiative (SRMI) Facility (Phase 2 Resilience focus) [SRMI-Resilience]
Even though renewable energy (RE) is now an economically viable option on par and often surpassing the return on investment compared to more traditional energy resources, the investment level towards RE resources in developing countries have remained at a standstill in recent years. In developing countries, a range of investment barriers such as the limited capacity of utilities for energy ...
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Intermittency of wind: the wider picture
This paper puts the discussion on intermittency of wind into its wider context: in the first part, it reviews the natural variability of all resources that power renewable energy technologies. This highlights how intermittency of wind influences the degree of variability relative to other renewable energy technologies, but does not change its kind. In the second part, management options for ...
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Durisol Transformer Thermal barriers
Armtec is proud to have built the first Durisol transformer thermal barrier in Western Canada and continue the tradition of offering innovative solutions at the best value to our customers. In 2011, Yukon Energy built a new172km long, 138kV transmission line from Carmacks to Stewart Crossing in the central Yukon Territory with the goal of connecting their northern and southern grids. Having one ...
By Armtec
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Grid integration of renewables in Egypt - Case Study
Integration of large Amounts of Renewable Electricity in the Egyptian Energy Grid - Capacity Building for Management and Engineer-Technical Level (Egypt-RE-Grid). The electricity sector of the Arab Republic of Egypt produces large amounts of electricity through thermal and hydroelectric power stations. Egypt has diminishing proven oil reserves and declining production. Natural gas production is ...
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The Future Promise of Vehicle-to-Grid (V2G) Integration: A Sociotechnical Review and Research Agenda
Abstract Vehicle-grid integration (VGI) describes various approaches to link the electric power system and the transportation system in ways that may benefit both. VGI includes systems that treat plug-in electric vehicles (PEVs) as controllable load with a unidirectional flow of electricity, such as “smart” or “controlled” charging or time-of-use (TOU) pricing. VGI ...
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Regional electricity price differences due to intermittent wind power in Germany: impact of extended transmission and storage capacities
A fast growth of installed wind power capacity has been experienced in several European countries. In Germany, notably high wind power capacities are planned in the North. If the existing transmission capacities between individual regions become insufficient, the electricity prices will differ considerably and the system operation can become unstable. It is supposed that the extension of ...
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Reactive capability limits of wind farms
Wind Energy Conversion Systems (WECS) technology can be classified into two main types: fixed speed and variable speed. Fixed speed WECS use an induction generator connected directly to the grid while variable speed WECS use a power converter to connect the generator to the grid. Fixed speed WECS require shunt capacitors for reactive power compensation, while variable speed WECS have reactive ...
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Mauritian Wave and Microgrid Project
Carnegie was contracted to deliver a renewable energy roadmap for Mauritius. Customer : Mauritian Government Project Partner : Australian Government, Mauritian Research Council Location : Mauritius and the neighbouring island of Rodrigues Features: The project scope included: a technical, commercial and financial feasibility of high penetration renewable energy an ...
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Integration of wind-generating units into the Corsican electrical grid: determination of the maximal integration rate from a reliability analysis based on a stochastic process
This paper investigates the potentiality of Wind Electric Conversion Systems (WECS) integrated into the islander electrical grid of Corsica. Probabilistic models for WECS and their use in the reliability studies of combined wind electric and conventional generation systems are discussed. The method, based on the evaluation of the Loss of Load Probability (LOLP), uses a Markov model applied to the ...
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Integration of solar photovoltaic (PV) to LV distribution network: a case study
The development of renewable energy sources will increase the amount of generation connected to distribution networks. The main advantages are that optimally located distributed generation resources can reduce or postpone the need for investment in the transmission and distribution infrastructure; transmission and distribution losses are reduced as well as improvement in power quality and system ...
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