Browsing by Title
Now showing items 555-574 of 1042
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Inter-Area Power Oscillations Mitigation for Electrical Systems Via Novel Fuzzy Control Based Braking Resistor Model
(AIM, 2019-06-03)Power system oscillations jeopardize the secure operation and the integrity of electrical power systems. The main aim of this work is to mitigate inter-area power oscillations motivated by the fact that many catastrophic ... -
InterFlex - Simris– Technical management of a grid-connected microgrid that can run in an islanded mode with 100% renewable generation
(AIM, 2018-06-07)This paper demonstrates a model predictive control (MPC) approach for microgrids with a significant proportion of renewable energy sources (RES). Forecasts are derived using recurrent neural networks and are included within ... -
InterFlex Swedish Demo in Malmö – Cross Carrier Integration for Enhanced Flexibility in Local Energy Communities and Microgrids
(AIM, 2018-06-07)This paper discusses how the thermal side of a local energy community can offer flexibility to the electrical grid. In this regard, a model is presented in which a heat pump is used to connect low temperature heating and ... -
Interharmonics and LED flicker: an assessment by CFD
(AIM, 2019-06-03)Light emitting diodes (LED) as light source are becoming the standard, as the mature technology is economical interesting and environment-friendly. The change from classic lighting to solid state lighting (i.e. LED) gives ... -
Interoperability for an open energy flexibility market with congestion management services
(AIM, 2019-06-03)To enable Distribution System Operators to procure flexibility for congestion management, this paper presents a field-tested ecosystem architecture based on an open market for energy flexibility. In this architecture, ... -
Interoperability Strategy for an AMI deployment in the US
(AIM, 2019-06-03)This paper explains the novel interoperability and interchangeability strategy adopted by Avangrid Networks (US subsidiary of Iberdrola) in the smart metering deployment in New York State (US). In the case of Avangrid AMI ... -
Interpretation of Statistical Analysis on LV Asset Condition
(AIM, 2019-06-03)In order to maintain a reliable LV distribution grid (an important building block in the energy transition) DSOs are looking into ways to investigate the condition of LV grid components. A survival analysis method – Cox ... -
Introducing the Concept of Technical Debt to Smart Grids: a System Engineering Perspective
(AIM, 2019-06-03)With the growth of the system-term from closed technical systems to complex, open and highly interconnected socio-technical system-of-systems, as is the smart grid, new challenges emerged. One of them is the huge and still ... -
Introduction to IEC 62361-102 CIM - 61850 Harmonization
(AIM, 2019-06-03)TR IEC 62361-102 is a Technical Specification that describes a mapping for information exchange between power system installations based on the modelling approach of IEC 61850; and business systems based on IEC CIM standard ... -
Investigating adaptation of line protection means to low-voltage-ride-through requirements in low-voltage distribution feeders with photovoltaic generators
(AIM, 2019-06-03)As the adoption of low-voltage-ride-through requirements for low-voltage distribution systems with distributed generators is under consideration, the fulfilment of these requirements should be examined not only as for the ... -
Investigating the Impact of representation of MV power lines in the distribution system for the studies of power flow considering DG
(AIM, 2019-06-03)In this work, we present a case study that examines the impact of improper representation of lines in a primary distribution network. In this context, this work evaluates how a variation in the model can influence the ... -
Investigation and Comparison of Different Methods for LV Grid State Estimation considering Privacy Issues
(AIM, 2019-06-03)This paper shows the results of comprehensive investigations in the field of low voltage grid state estimation. Two central topics are discussed: First the comparison of different state estimation methods like the conventional ... -
Investigation of the Impacts of Primary Substation’s OLTC on Voltage Regulators Placement in Distribution Systems
(AIM, 2019-06-03)In this paper, it is attempted to demonstrate the impact of Primary Substation’s (PS) On Load Tap Changer (OLTC) on Voltage Regulator (VR) placement problem in distribution systems. As the voltage of primary substation ... -
Investigation on operating behavior of selected DC-provided components of a substation at depth discharge
(AIM, 2019-06-03)In case of a blackout, substations have a central meaning for grid rebuilding, in addition to line-assets and power stations. The time within substations can be remote controlled and operated without external power supply ... -
Investigations at operational aged switchgears with the age up to 50 years
(AIM, 2019-06-03)The average age of the electrical equipment of the energy distribution in the industrialized countries is actually more than 40 years. The question about upcoming effects and defects arise together with the questions about ... -
Investment Decision of Households in Distributed Energy Resources with regard to Price Degression of PV and Battery Systems
(AIM, 2019-06-03)Due to the continuous expansion of decentralized power generation systems, the public power supply is more and more being relocated from the transmission to the distribution grids. A main driver for this transformation is ... -
Investment Decision-Making Using Probabilistic Life Cycle Costing – Comparing Flooded Lead-Acid and Lithium Ion Batteries for Power Supply Backup in Substations
(AIM, 2019-06-03)During a power outage, substations require a power supply back-up in form of batteries to resume the control functionality. Traditionally, Flooded Lead-Acid (FLA) batteries are utilized in substations as power back-up. ... -
IoT-PMU. How to improve the observability on the Distribution Networks
(AIM, 2019-06-03)This paper addresses the introduction of IoT-PMU device in the distribution networks as an extra source of information. The IoT-PMU concept combines Phasor Measurement Unit (PMU) functionalities with the ability to communicate ... -
Isolated microgrid design problem considering resiliency indices
(AIM, 2018-06-07)In the last decade, the microgrid concept has been widely regarded as important issues in the literature as well as in the practice. Reducing greenhouse gases, reduction of transmission losses, enhancement in the passive ... -
Issues on the Application of Chinese Harmonic Standard GB/T 14549
(AIM, 2019-06-03)"QualityofelectricenergysupplyHarmonics inPublicSupplyNetworkGB/T 14549", the firstnationalharmonic standardin China, was released in 1993andnow has an age of 25 without revision. Based onreviewing the development history ...