Browsing Institutt for elkraftteknikk by Author "Kantar, Emre"
Now showing items 1-20 of 22
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A Novel Methodology to Monitor Partial Discharges in Microvoids at Solid-Solid Interfaces
Kantar, Emre; Ildstad, Erling (Chapter; Peer reviewed, 2019)The combination of two solid dielectrics increases the risk of partial discharge (PD) activity in microscopic cavities at the solid-solid dielectric interfaces, facilitating interface tracking failures. The main purpose ... -
A stochastic model for contact surfaces at polymer interfaces subjected to an electrical field
Kantar, Emre; Hvidsten, Sverre; Mauseth, Frank; Ildstad, Erling (Journal article; Peer reviewed, 2018)Morphology of the contact area between solid insulation materials ultimately determines the short- and long-term electrical properties of the complete insulation system. The main purpose of this paper is to propose a ... -
DC Tangential Electric Breakdown Strength of Silicone Rubber Interfaces under dry, wet and oily conditions
Hammerøy, Ole Andre (Master thesis, 2016)This research work is a part of an on-going project at NTNU/SINTEF-Energy Research aim- ing at developing new criteria for design of compact high voltage subsea connectors. Most high voltage insulation systems consists of ... -
A Deterministic Model for Contact Surfaces at Dielectric Interfaces Subjected to an Electrical Field
Kantar, Emre (Chapter, 2021)This paper presents theoretical and experimental studies aiming to explore the effects of the elastic modulus and surface roughness on tangential AC breakdown strength (BDS) of interfaces between polymers. Four different ... -
Dielectric Strength of Polymeric Solid–Solid Interfaces under Dry-Mate and Wet-Mate Conditions
Kantar, Emre (Peer reviewed; Journal article, 2021)One of the most important causes of insulation system failure is the breakdown of the interface between two solid dielectrics; understanding the mechanisms governing this breakdown phenomenon is therefore critical. To that ... -
Effect of Elastic Modulus on the Tangential AC Breakdown Strength of Polymer Interfaces
Kantar, Emre; Ildstad, Erling; Hvidsten, Sverre (Journal article; Peer reviewed, 2018)Solid-solid interfaces between insulating materials dictate the long-term electrical properties of the complete insulation system. This paper presents theoretical and experimental investigations aiming to address the impact ... -
Effect of Material Elasticity on the Longitudinal AC Breakdown Strength of Solid-Solid Interfaces
Kantar, Emre; Ildstad, Erling; Hvidsten, Sverre (Journal article; Peer reviewed, 2019)Solid-solid interfaces between insulating materials dictate the long-term electrical properties of the complete insulation system. This paper presents theoretical and experimental investigations aiming to address the impact ... -
Elektrisk holdfasthet langs polymer grenseflater ved VLF og 50 Hz AC spenningspåkjenning
Dale, Roger (Master thesis, 2022)Grenseflatene som sammenkobles mellom to isolasjonsmaterialer i skøyter, termineringer og kontakter er ansett som sårbare områder i høyspenningskabler, siden de er utsatt for elektriske feltpåkjenninger tangentielt og ... -
Examination of Longitudinal AC Breakdown Strength of Dielectric Surfaces as a function of Elastic Modulus
Kantar, Emre; Hvidsten, Sverre; Ildstad, Erling (Journal article; Peer reviewed, 2017)This paper examines the influence of the elastic modulus of the polymer insulation on the tangential AC breakdown strength (BDS) of polymer interfaces theoretically and experimentally. In the experiments, four different ... -
Factors influencing the tangential AC breakdown strength of solid-solid interfaces
Kantar, Emre; Ildstad, Erling; Panagiotopoulos, Dimitrios (Journal article; Peer reviewed, 2016)The combination of two solid dielectrics (interface) increases the risk of formation of microscopic cavities reducing the breakdown strength (BDS) of the interface considerably, particularly when the electric field has ... -
Hybrid q-Rung Orthopair Fuzzy Sets Based CoCoSo Model for Floating Offshore Wind Farm Site Selection in Norway
Deveci, Muhammet; Pamučar, Dragan; Cali, Umit; Kantar, Emre; Kölle, Konstanze; Tande, John Olav Giæver (Journal article; Peer reviewed, 2022)Unlocking offshore wind farms' high energy generation potential requires a comprehensive multi-disciplinary analysis that consists of intensive technical, economic, logistical, and environmental investigations. Offshore ... -
HydroStator : hovedfunn og resultater i KPN-prosjektet HydroStator
Berg, Gunnar; Eberg, Espen; Aakre, Torstein Grav; Ildstad, Erling; Kantar, Emre; Nysveen, Arne (SINTEF Rapport;, Research report, 2022)Modeller som beskriver temperatur- og frekvensavhengighet til elektriske delutladninger er utviklet og viser at tilstandskontroll med den mer praktiske VLF-metoden som benytter 0,1 Hz høyspenning er representativ for 50 ... -
Interfacial Breakdown between Dielectric Surfaces Determined by Gas Discharge
Kantar, Emre; Mauseth, Frank; Ildstad, Erling; Hvidsten, Sverre (Chapter, 2017)This paper examines the influence of the elastic modulus and applied contact pressure on the tangential AC breakdown strength (BDS) of polymer solid-solid interfaces theoretically and experimentally. In the experiments, ... -
Load Compensation by DSTATCOM with LCL-Filter by Comparing Different Resonance Damping Methods
Kantar, Emre; Tedeschi, Elisabetta (Chapter, 2020)This paper presents the design of a Distribution Static Compensator (DSTATCOM), interfacing the grid with an inductor-capacitor-inductor (LCL) filter, controlled by using dq0 current controller and sinusoidal pulse-width ... -
Longitudinal AC Breakdown Voltage of XLPE-XLPE Interfaces Considering Surface Roughness and Pressure
Kantar, Emre; Hvidsten, Sverre; Mauseth, Frank; Ildstad, Erling (Journal article; Peer reviewed, 2017)The interfacial breakdown between two dielectric surfaces has been reported to represent one of the principal causes of failure for power cable joints and connectors; thus, a better understanding of interfacial breakdown ... -
Longitudinal AC Electrical Breakdown Strength of Polymer Interfaces: Experimental and theoretical examination of solid-solid interfaces considering elasticity, surface roughness, and contact pressure
Kantar, Emre (Doctoral theses at NTNU;2019:93, Doctoral thesis, 2019)All electrical insulation systems consist of a combination of different insulating and conductive materials. The alternating current (AC) breakdown strength (BDS) of insulation systems is limited by the lowest BDS of either ... -
Mechanisms Governing Longitudinal AC Breakdown at Solid-Solid Interfaces
Kantar, Emre (Chapter, 2021)Insulation systems incorporating multilayer dielectrics are commonly used in many high-voltage applications where the interfaces between the dielectric layers are the most vulnerable regions. The primary purpose of this ... -
Offshore wind farm site selection in Norway: Using a fuzzy trigonometric weighted assessment model
Cali, Umit; Kantar, Emre; Pamučar, Dragan; Deveci, Muhammet; Taylor, Peter; Campos-Gaona, David; Anaya Lara, Olimpo; Tande, John Olav Giæver (Peer reviewed; Journal article, 2024)Maximising the energy potential of offshore wind farms requires an in-depth assessment of technological, economic, sociopolitical, and environmental aspects. Given the large economic impact of large-scale projects, a robust ... -
On the Tangential AC Breakdown Strength of Polymer Interfaces Considering Elastic Modulus
Kantar, Emre; Mauseth, Frank; Ildstad, Erling; Hvidsten, Sverre (Chapter, 2017)The interfacial breakdown between two dielectric surfaces was reported to represent one of the leading causes of failure for power cable joints and connectors, in which elastic modulus of the dielectric material plays a ... -
Partial Discharge Activity in Rotating Machine Type II Insulation Systems as a Function of Temperature and AC Supply Frequency
Aakre, Torstein Grav; Kantar, Emre; Eberg, Espen (Peer reviewed; Journal article, 2023)The main purpose of this study was to investigate if the application of very low frequencies for PD measurements in type II generator bar insulation is relevant when compared to applying power line frequency at different ...