Browsing by Title
Now showing items 402-421 of 1042
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Fallback Solution for a Low-Voltage Regulator Control using Artificial Neural Networks
(AIM, 2018-06-07)With the increase of renewable generation, violations of voltages or thermal limits are more likely to happen in particular in rural distribution networks. Instead of cost intensive grid expansions, other measures can be ... -
Fast Locational Marginal Pricing for Congestion Management in a Distribution Network with Multiple Aggregators
(AIM, 2019-06-03)Locational Marginal Pricing (LMP) is widely used to perform congestion management in the interaction between electricity wholesale markets and transmission networks. However, the algorithm does not scale well with the ... -
Fast recovery adaptable transformer for renewable generation
(AIM, 2019-06-03)Nowadays, distribution companies are requested to prepare detailed contingency plans, to efficiently manage temporary grid unavailability in case of a transformer failure. The main strategy to meet these challenges is to ... -
Fault current limiting circuit breaker in distribution systems
(AIM, 2019-06-03)The Powerful CB project is a collaboration between UK Power Networks (UKPN) and ABB to develop and demonstrate, in a pilot, an 11 kV Fault Current Limiting Circuit Breaker, FLCB, in an existing UK Power Networks substation. ... -
FAULT DETECTION IN LOW VOLTAGE NETWORKSWITH SMART METERS AND MACHINE LEARNING TECHNIQUES
(AIM, 2019-06-03)Smart grid data analytics and artificial intelligence techniques are playing an increasingly critical role, becoming the focal point to understanding low voltage real-time grid performance. This new point of view, (advanced ... -
Fault Ride Through in PMSM Drive Based on Dynamic Voltage Restorer and Ultracapacitor
(AIM, 2019-06-03)In this paper two devices are proposed for fault ride through (FRT) of an adjustable speed drive (ASD) connected to a distribution system. The FRT ability of the system is tested first by connecting a dynamic voltage ... -
Fault Zone Classifier Performance Improvement of PMU-Enabled Distribution System Through Feature Engineering
(AIM, 2019-06-03)Fault localization algorithms are prone to multiple estimates on most distribution networks due to their tree-shaped radial topology. To address this problem, localization may be supported by the identification of network ... -
Feasibility study on the adoption of peer-to-peer trading integrated on existing retail market and distribution grid
(AIM, 2019-06-03)The increasing penetration of prosumers, as well as the decentralized nature of power system management, are supporting the emergence of so-called consumer-centric electricity markets based on peer-to-peer and community-based ... -
Features Selection for Partial Discharge and Interference Recognition of HV Cables based on Random Forest Method
(AIM, 2019-06-03)Optimal feature selection will contribute to the pattern recognition efficiency and accuracy of partial discharge (PD) signals by removing irrelevant and redundant PD features. Meanwhile, the effective new PD features, ... -
Field PD testing on solid dielectric MV switch
(AIM, 2019-06-03)This paper presents experience with field PD testing on solid dielectric switch. Testing was performed within project of improvement of condition assessment on MV solid dielectric switchgear equipment in the field. Method ... -
Field Study of Intermittent Faults in Low-Voltage Underground Cable Systems
(AIM, 2019-06-03)With both energy production and consumption becomingmore electrified, the low-voltage distribution grid will playan increasingly important role in the future. Dutch DSOsalso expect that the dynamics of future load cycles ... -
Field Test on a DSO Microgrid in Southern Sweden – Design and Control Aspects
(AIM, 2018-06-07)In autumn 2017 E.ON has launched a microgrid in Simris in the south east of Sweden. The microgrid covers a part of the existing distribution grid with roughly 150 costumers. As generation sources a PV plant and a wind ... -
Filling missing values for AI-based (load) forecasts within the InterFlex micro grid demo in Simris, Sweden
(AIM, 2019-06-03)Missing data impairs the performance of most neural networks with a particularly strong effect on time series prediction networks. Imputation addresses this issue and by ... -
Finding Demand Response from Smart Meter Data
(AIM, 2019-06-03)Demand response (DR) is widely seen as an element bringing needed flexibility to the sustainable power system of the future. In Finland, all electricity consumers, including small ones, have smart meters enabling DR based ... -
Fingerprinting made easy by machine learningFingerprinting made easy by machine learning
(AIM, 2019-06-03)Circuit breakers are used to protect electrical networks and components from damages caused by high currents, resulting from overloads or short circuits. Malfunctioning of Medium Voltage (MV) circuit breakers often leads ... -
First of its kind implementation of IOT system in Indian Power Sector
(AIM, 2019-06-03)The Indian Power System is currently witnessing a high growth rate of Generation & Transmission electric utilities adopting digital automation & IoT technology for efficiently managing their large asset base. However, many ... -
First results concerning localisation of earthfaults in compensated 20-kV-networks based on travelling waves
(AIM, 2019-06-03)Due to today´s increased demands on grid operation management, new methods for earth fault localization and detection are needed. The fault localisation should be performed as quickly as possible and under the condition, ... -
Flexibility and optimization services validation in a microgrid
(AIM, 2018-06-07)This paper describes how, within FLEXICIENCY project, flexibility and optimization services are being implemented and verified, with a special focus on two large scale demos, out of the five running in the project. It also ... -
Flexibility Determination of Distributed Energy Resources, Storage Systems and Heating Units considering Load and Feed-In Uncertainty
(AIM, 2019-06-03)With the transition from a load driven energy system towards an energy system based on renewable energy sources (RES) flexibility of distributed energy systems becomes an important issue. Since a high simultaneity of devices ... -
Flexibility for congestion management: An operational decision making process
(AIM, 2019-06-03)Network operators are investigating new methods to mitigate congestions. Utilising flexibility, for example through a flexibility market, is considered an affordable method, among others. This paper introduces a decision-making ...