Browsing by Title
Now showing items 1017-1036 of 1042
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Using Smart Grid SurveillanceTM to detect and localize failures in the overhead medium voltage grid
(AIM, 2019-06-03)The paper describes how Exeri AB has applied the classic OODA loop to Smart Grids, making it possible to not only know the status of the grid at all times but also to get decision support in when, where and how to respond ... -
Using stochastic modelling for long-term network planning of LV distribution grids at Dutch DNO
(AIM, 2019-06-03)Long-term network planning becomes of upmost importance because large amounts of extra appliances are foreseen in the LV-grids in the near future. These appliances appear to have a load pattern with weak correlation to the ... -
Using technology and sharing data to improve electricity services
(AIM, 2019-06-03)This paper contains details of how the Metropolitan Electricity Authority improves electricity services by using technology to capture and manipulate data to achieve the maximum benefit when responding to customer requirements ... -
Utilisation of Energy Storage to Improve Distributed Generation Connections and Network Operation on Shetland Islands
(AIM, 2019-06-03)The Northern Isles New Energy Solutions (NINES) project on the Shetland Islands seeks to trial the application of alternative solutions, including demand side management and battery energy storage to increase the integration ... -
Utility pole deterioration modeling by machine learning with big data of distribution facility inspection result
(AIM, 2019-06-03)Asthe aging of power distribution facilities progresses, the needs of asset management increases.It is necessary to make a rational repair planconsideringa comprehensive judgment from the view point of safety, cost, and ... -
Utilization of a mixture of CTs and current sensors in line differential protection applications
(AIM, 2019-06-03)The popularity of Rogowski sensors is increasing due to their advantages over conventional CTs. Consequently, network utilities may sometimes end up facing a question whether it would be possible to use line differential ... -
Utilization of augmented reality in underground network visualization on field
(AIM, 2019-06-03)Elenia and Exove tested augmented reality for representation of underground cables in the summer of 2018. The idea of the project was to find out whether the location precision needed for correct visualisation of the cables ... -
Validating the ELECTRA Web-of-Cell control concept – An overview of possible simulation environment enhancements
(AIM, 2018-06-07)It is expected that future power systems will be characterized by a high share of renewables. Nowadays, a shift from conventional dispatchable bulk generators to intermittent converter-coupled generation units can be ... -
Validation of Advanced Interoperability Functions for Battery Energy Storage Systems
(AIM, 2018-06-07)Decentralized battery energy storage systems will play a key role for voltage and frequency grid control, especially in future cell-based power systems. It is crucial to validate new individual functions for the purpose ... -
Valuation of harnessing flexibility from decentralized water electrolysis systems for the DSO
(AIM, 2019-06-03)A recent call for projects related to the development of new hydrogen applications and infrastructure in France has revealed renewed interests of city authorities and regions for water electrolysis technologies in order ... -
Value optimization of existing MV grids through a continuous cost benefit analysis
(AIM, 2019-06-03)With regulation stimulating grid reliability, Liander (one of the Dutch DSOs) has always sought to reduce the number of component failures and to improve the outage restoration time. Traditionally, generic cost-benefit ... -
Value-added Electricity Services: Role of Microgrid Services In Distribution Network Planning
(AIM, 2019-06-03)In an electricity system without much renewable energy resources (RESs), there is correlation between wholesale electricity prices and demand in such a manner when electricity price rise, demand is high. But, high share ... -
Variations of supraharmonic emissions in low voltage networks
(AIM, 2019-06-03)This paper describes and presents measurements of supraharmonic emission in low voltage grids in Europe, North America and Asia. One-minute average values for 2 kHz grouped components are given and a total supraharmonic ... -
Vehicle-To-Grid Based Frequency Regulation Method In An Isolated Microgrid Considering Charging Requests Of Electric Vehicles
(AIM, 2019-06-03)Electric vehicles (EVs) are capable of providing frequency regulation services through Vehicle-To-Grid (V2G). However, EV batteries are different from conventional energy storage systems in the sense that they are originally ... -
Verification of Off-Grid System for Remote Islands Using A Renewable Energy and Storage System
(AIM, 2018-06-07)In this study, we inspected each generation capacity of photovoltaics power generation facilities (PVs), a battery energy storage system (BESS) and diesel engines (DEs) on a remote island. During the verification, because ... -
Verification of protective measures for safety of DC charging stations for electric vehicles
(AIM, 2019-06-03)In order to ensure long-term protection against electric shock, a periodic verification of the protective measures for safety for DC charging stations for electric vehicles is essential. This paper provides a contribution ... -
Visions, Functions and Implementation of DSOs – A UK Perspective
(AIM, 2018-06-07)This paper summarises the key aims and objectives of four major DSO projects in the UK, analysing their scopes, methodologies, and expected outcomes. The paper critics the alignment between the UK DSO projects and their ... -
Voltage Control in Distribution Feeders with High Solar PV Penetration: Case Study for Different Approaches.
(AIM, 2019-06-03)Rising amount of distributed solar Photovoltaic (PV) power in distribution feeders is expected to impact the nodal voltage levels. This paper presents a case study of three different approaches – smart PV inverters with ... -
Voltage dip assessment in context of voltage quality regulation
(AIM, 2019-06-03)Voltage events, namely voltage dips, are not as heavily regulated as continuity of supply, although they can have a similar economic impact on industrial customers as interruptions. Before setting limits of voltage dips ... -
Voltage management in the presence of Distributed Energy Resources - Field implementation of a robust Distribution State Estimator with errors in sensor data
(AIM, 2019-06-03)The deployment of Distributed Energy Resources (DER) complicates voltage management on existing MV networks and requires dynamic centralized setting of On Load Tap Changer (OLTC) set point to optimize the network DER hosting ...