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View article: Flicker Severity Threshold Measurements
Flicker Severity Threshold Measurements Open
International audience
View article: Modeling the Unintentional Emissions of Single-Phase Power Electronic Converters for Distortion Studies in the 2-150 kHz Range
Modeling the Unintentional Emissions of Single-Phase Power Electronic Converters for Distortion Studies in the 2-150 kHz Range Open
This Task Force paper presents several important aspects on modelling single-phase power electronic converters (PECs) for power system distortion studies in the 2-150 kHz frequency range (also referred to as supraharmonics). The paper summ…
View article: Performance of Smart Revenue Meters Under Bidirectional Active Energy Flows in Energy Communities
Performance of Smart Revenue Meters Under Bidirectional Active Energy Flows in Energy Communities Open
Bidirectional active energy flows are expected to increase in electrical distribution systems (DSs) worldwide as a result of future incentives to exchange energy within local energy communities. Distributed generation (e.g., solar rooftop …
View article: Emission assessment of single-phase switch-mode PFC loads up to 150 kHz: Experimental analysis and modelling
Emission assessment of single-phase switch-mode PFC loads up to 150 kHz: Experimental analysis and modelling Open
The ongoing integration of new power electronic interfaces is increasing emissions in the frequency range between 2 and 150 kHz. This paper considers the emission assessment from 0 to 150 kHz of the switch-mode power factor correction conv…
View article: A New Analytical Model of Single-Phase Diode Bridge Rectifiers in the Presence of Interharmonics in Supply Voltage
A New Analytical Model of Single-Phase Diode Bridge Rectifiers in the Presence of Interharmonics in Supply Voltage Open
In this paper, a new accurate and comprehensive analytical model of harmonic and interharmonic distortion produced by a single-phase AC/DC diode bridge rectifier (DBR) is presented. Its main and new characteristic is the ability to conside…
View article: Revenue Metering of Unbalanced Prosumers in Energy Communities
Revenue Metering of Unbalanced Prosumers in Energy Communities Open
The presence of power generating plants owned by prosumers may lead to unbalanced bidirectional energy flows at the points of connection to the relevant distribution systems. This will impact future energy communities, where appropriate me…
View article: Recent Challenges Regarding the Verification of Photovoltaic Inverters Properties and their Compliance with Technical Requirements
Recent Challenges Regarding the Verification of Photovoltaic Inverters Properties and their Compliance with Technical Requirements Open
Distributed generation by renewable energy sources, is a new phenomenon in recent years and it brings several challenges for electric power system operations.Given that, distributed generators shall be strictly in compliance with relevant …
View article: Power Flow in Traction System and SFC Based Feeder Load Control: Sensitivity Analyses
Power Flow in Traction System and SFC Based Feeder Load Control: Sensitivity Analyses Open
The paper presents an analysis of active and reactive power control in AC 25 kV 50 Hz railway traction system consisting of both static frequency converter feeder and conventional single-phase transformer feeder. Limits of power sharing be…
View article: A Voltage Support Schemes of Asymmetrically controlled Three-Phase Inverter-Based Generating Units
A Voltage Support Schemes of Asymmetrically controlled Three-Phase Inverter-Based Generating Units Open
Paper provides insight into possibility of asymmetrical three-phase inverter high-level control as additional grid support in low voltage networks. The asymmetrical control may assist with lowering asymmetry in areas with large single-phas…
View article: Impact of advanced inverter functions on low‐voltage power grids
Impact of advanced inverter functions on low‐voltage power grids Open
In today's power grid, a great number of inverter‐based distributed energy resources (DERs) are connected and are mainly designed to supply power without considering the voltage and frequency deviations of the grid. Therefore, distribution…
View article: Analysis of Approaches for Modeling the Low Frequency Emission of LED Lamps
Analysis of Approaches for Modeling the Low Frequency Emission of LED Lamps Open
Light emitting diode (LED) lamps are now an established lighting technology, which is becoming prevalent in all load sectors. However, LED lamps are non-linear electrical loads, and their impact on distribution system voltage quality must …
View article: Evaluation of the new method Vdip for an earth fault location
Evaluation of the new method Vdip for an earth fault location Open
The paper presents results from the first application of the new method "Vdip" for an earth fault location. The Vdip method is based on evaluation of the change of negative sequence voltage recorded on LV side of distribution transformers …
View article: Phase Identification in smart metering pilot project Komorany
Phase Identification in smart metering pilot project Komorany Open
Residential households in low voltage systems in the Czech Republic are connected to the distribution network either by single phase or by three phases. It is a common practise for distribution system operators that the actual phase connec…
View article: Survey of network impedance in the frequency range 2-9 kHz in public low voltage networks in AT/CH/CZ/GE
Survey of network impedance in the frequency range 2-9 kHz in public low voltage networks in AT/CH/CZ/GE Open
Setting realistic emission limits for distorting customer installations is a crucial requirement for a reliable and disturbance-free operation of public distribution networks. Therefore only an adequate share of the total allowable voltage…
View article: Proposal of a Desynchronized Processing Technique for Assessing High-Frequency Distortion in Power Systems
Proposal of a Desynchronized Processing Technique for Assessing High-Frequency Distortion in Power Systems Open
Assessing high-frequency (HF) distortion (HFD) in power systems is a new challenge in the framework of in situ power quality monitoring. The International Electrotechnical Commission (IEC) suggests the use of a high-pass filter in the meas…
View article: Experimental evaluation and classification of LED lamps for light flicker sensitivity
Experimental evaluation and classification of LED lamps for light flicker sensitivity Open
The paper reports on the experimental evaluation and classification of LED lamps for light flicker sensitivity. After the description of the experimental setup designed for tests, a classification based on the driving circuits is proposed.…
View article: A real life light flicker case-study with LED lamps
A real life light flicker case-study with LED lamps Open
This paper shows the results of a real life case-study which demonstrates also that there is a need for new Flickermeters able to cope with new lamps' technologies different from standard incandescent, in particular with LED lamps. The cas…
View article: Conference program book EPE2018
Conference program book EPE2018 Open
The influence of the fuel thermal conductivity
View article: Hybrid Photovoltaic Systems with Accumulation—Support for Electric Vehicle Charging
Hybrid Photovoltaic Systems with Accumulation—Support for Electric Vehicle Charging Open
The paper presents the concept of a hybrid power system with additional energy storage to support electric vehicles (EVs) charging stations. The aim is to verify the possibilities of mutual cooperation of individual elements of the system …