Browsing by Title
Now showing items 453-472 of 1042
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H2020 sensible Project – Laboratory Results for the Short-Circuit Behaviour of the Storage Devices, under Islanding Conditions
(AIM, 2018-06-07)The continuous increase of Distributed Generation (DER) along the electrical grid can offer several benefits, such as microgrid operation. However, microgrid operation requires special attention and introduces new challenges ... -
Hardware dependability study of an automatic circuit recloser
(AIM, 2019-06-03)At present the rate of digitalization in the world of energy is increasing and the effort aims product development as well. The need of more efficient processes utilizes numerical modeling and simulations to their limits ... -
Harmonic analysis and mitigation in distribution grids with high penetration of power inverters
(AIM, 2019-06-03)Inverters of large heat pumps in an urban low voltage grid generate current harmonics and cause consequently significant variations of the respective voltage harmonics. The voltage level at each grid point is not only ... -
Harmonic Analysis of Electrical Vehicle Fast-charging Station Considered Uncertainty of Load
(AIM, 2019-06-03)Focusing on the qualitative and quantitative analysis of harmonic issue caused by high integration of electric vehicles, a quick-charging harmonic analysis model considered time series pattern of electrical vehicles station ... -
Harmonic Emission Level Assessment Considering the Influence of Filters in Harmonic Source Side
(AIM, 2019-06-03)Evaluation of the harmonic emission levels for a harmonic source at the point of common coupling (PCC) is of major significance for harmonic mitigation. Traditional emission level evaluation methods are based on the ... -
Heat pumps in multi-family buildings used as a flexibility resource for balancing frequency and congestion management
(AIM, 2019-06-03)The increase of renewable energy and higher power demand from new loads places a higher pressure on the ability to be flexible in the generation and demand of electricity. Different ancillary and flexibility services have ... -
High Performance Smart MV apparatus for arc furnace applications
(AIM, 2019-06-03)Steel manufacturing represents a critical application for control processes and apparatuses. In particular, switching of the Electric Arc Furnace (EAF) transformer are recognized as challenging for reliability of the ... -
High Performance Virtual Generator BESS for Distribution SystemsSupport Applications Analysed in a Hardware-in-the-Loop SimulationSet Up
(AIM, 2018-06-07)Battery Energy Storage Systems (BESS) are becoming more and more popular to address some of the challenges that distribution systems are facing. The key BESS applications revolve around traditional topics such as deferring ... -
High precision distribution grid monitoring system utilizing optical communication network
(AIM, 2018-06-07)In microgrid, the main power sources tend to be Distributed Energy Resources (DER), such as photovoltaic (PV) and wind power generations. PV and wind power generation output fluctuates continuously, and it makes power grid ... -
High-Voltage Fuses - Next Generation with Improved Performance
(AIM, 2019-06-03)Within distribution networks, high-voltage (HV) fuses have been used for decades as an economical and most reliable protecting device standardized by IEC60282-1[1]both in functionality and dimensions. They fulfil both the ... -
Holistic coordination of smart technologies for efficient LV operation, increasing hosting capacity and reducing grid losses
(AIM, 2019-06-03)This paper presents the results of investigation, performed in the SysTec laboratory of Fraunhofer IEE within the transnational access (TA) of European Research Infrastructure supporting Smart Grid (ERIGrid) project. The ... -
How can biomimicry benefit power distribution networks ?
(AIM, 2019-06-03)What do human biology and electrical power distribution systems have in common? Perhaps surprisingly, quite a lot. These similarities can inspire electrical distribution networks’ design and management and risk minimization ... -
HOW DOES THE ENERGY SECTOR EXPLORE DISRUPTIVE INNOVATION: A BLOCKCHAIN CASE STUDY
(AIM, 2019-06-03)The goal of the this paper is to explore how the incumbents of the energy sector are exploring a technology that they deem disruptive and with what research questions. the current approach of researching focusses on ... -
How Photovoltaic Inverter Firmware Could Affect PQ
(AIM, 2019-06-03)This paper describes the impact of photovoltaic power plant inverter firmware on voltage quality parameters in low voltage distribution grids. The DSO identified the photovoltaic power plant with the power of 60kW as a ... -
How the observed declining strength of Distribution Earthing Networks will impact the risk exposure of power utilities
(AIM, 2019-06-03)The ‘strength’ of a distribution earthing network is dependent on the size and density of that network, the local soil resistivity and a host of other factors. The ultimate outcome is that in the majority of cases the power ... -
How to deploy Augmented Reality in Distribution System Operator
(AIM, 2019-06-03)In the past, Elektro Ljubljana d.d. experienced IT support limitations which failed to follow the demands of business processes and the new approaches to planning and managing the maintenance process. Concrete operational ... -
Hybrid AC and DC Distribution Networks Modelling and Planning using EPSL Modelica Library : Preliminary Results
(AIM, 2019-06-03)With the development of power electronics in most customer appliances, DC grids may prove to be an interesting alternative to the usual AC grids in a near future. This paper provides a first set of results for various ... -
Identification and evaluation of marketing opportunities for flexibility in local energy communities
(AIM, 2018-06-07)Virtual power plants have been established as a crucial instrument in the course of energy transition in Germany. They help substituting conventional centralized power plants, thus promoting the integration of renewable ... -
IDENTIFICATION AND OPTIMIZATION OF THE SEQUENCE OF PARALLEL CONDUCTORS USING AN AUTOMATIC TOOL
(AIM, 2019-06-03)This paper presents a tool for the acquisition, processing and the automatic identification and optimization of a multi-conductor system. The tool registers the waveforms of the current in each subconductors, then magnitude ... -
Identification and validation of new business models for DSO business environment using business model canvas and stakeholder groups
(AIM, 2019-06-03)To unlock the true potential of the digital technologies in the distribution grid, novel solutions must be coupled with new business models. However, creating and validating new business models in the early phase of the ...