Browsing CIRED 2019 Conference by Issue Date
Now showing items 1-20 of 819
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Multi-Objective Stochastic Expansion Planning of Multi-Carrier Energy Distribution Networks Considering Customer-Owned DG Units
(AIM, June 2019)In this paper, a multi-objective framework is proposed for expansion planning of energy hubs, natural gas and electricity distribution systems considering the uncertainties of renewable sources and demand. The aim is to ... -
Residential Battery Controller For Solar PV Impact Mitigation: A Practical and Customer-friendly Approach
(AIM, June 2019)The rapid adoption of residential solar photovoltaic (PV) systems combined with the falling prices of residential battery energy storage (BES) systems is paving the way for a future in which customers could locally supply ... -
Rural electrification in Brazil based on microgrids
(AIM, June 2019)In a context of swift economic development in Brazil, the electrification of rural areas is becoming an important matter for the Government. Expanding the grid in remote areas is often expensive due to long distances from ... -
Real case islanding detection on the Distribution network by using microPMU units
(AIM, June 2019)Distributed Generation (DG) is gradually increasing in Distribution Grid, both in LV, MV and HV, creating new challenges to utilities. One of them is the capacity to detect an unwanted islanding operation. As seen in recent ... -
Managing uncertainty in load related investment decisions
(AIM, June 2019)Electricity Distribution Network Operators (DNO’s) in the UK face uncertainty about future peak loading on the network at a time when electrification of heat and transport is expected to increase the demand for electricity ... -
Automated Testing of Distribution Transformers and Utilization of Test Information
(AIM, June 2019)This paper provides an overview of the functionality of the test and control technology required for the automated testing of distribution transformers. Possibilities are presented, how an optimization of the testing process ... -
Scenario Analysis Heating Markets - Effects to Future Energy Grids
(AIM, June 2019)ABSTRACTThe model of the „Scenario Analysis Distribution System Operator (DSO) grid development for the heating market” allows to evaluate and to better understand the drivers and effects of customer’s choices with regard ... -
Response of Rotor Over-Voltage in DFIG Based Wind Generator under Recurring Voltage Sags
(AIM, June 2019)The automatic reclosing device may cause recurring voltage sags at grid connection point (GCP) of wind farm. In order to improve the low voltage ride through (LVRT) capability of DFIG based wind generator under recurring ... -
Regularly Optimized Medium Voltage Network As A Target For Planners: A Case of Helsinki City
(AIM, June 2019)This paper focuses on optimizing the medium voltage distribution network in an urban area. An optimized target network is created for the planners of electricity distribution networks. The planner decides if it is beneficial ... -
Simulation Setup for Live Testing Future Distribution Grid Flexibility
(AIM, June 2019)The subject addressed is the investigation of the coordination of flexibility on distribution grid level to reduce grid expansion measures together with the examination of interdependencies between different technologies ... -
Comparative Study on Turbulent Flow Structure under Air, CO2 and SF6 Gas Blasting Visualized by Band-Pass Filtering Schlieren System
(AIM, June 2019)Multi-directional turbulent structures were visualized for gas-blasted arc discharges under current-zero phases generated in a 50-mm-long interelectrode gap confined by a model gas flow nozzle, in order to conduct a ... -
Energy storage capacity configuration of electric vehicle charging station with PV under peak shaving mode
(AIM, June 2019)By analyzing the fast charging load and intermittent photovoltaic (PV) output connected to charging station, it combines the PV output power and electric vehicle (EV) charging power as equivalent load power, thus the energy ... -
Defining a Digitalization Concept for Electricity Distribution Network Maintenance
(AIM, June 2019)The possibilities of utilizing the most modern digital solutions in distribution network maintenance are rapidly becoming more and more viable. In this paper a plan for a new digitalization concept is described. The concept ... -
Levers optimization in short-term operational planning for real distribution systems
(AIM, June 2019)The increasing penetration of new Distributed Energy Resources (DER) in the distribution system are changing the medium and low voltage networks’ operation paradigm. The classical operation of distribution system, only ... -
Harmonic Analysis of Electrical Vehicle Fast-charging Station Considered Uncertainty of Load
(AIM, June 2019)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 ... -
Overvoltage due to single-phase and three-phase connected PV and what to do about it
(AIM, June 2019)This paper presents the overvoltage caused by single and three-phase connected PV to a low-voltage distribution grid. Statistics are obtained based on source-impedance data for 40 000 customers. A stochastic approach is ... -
Impact of distribution network modelling on harmonic impedance in the HV grid
(AIM, June 2019)Frequency impedance scans are required for the harmonic assessment of new connections in the High Voltage grid. Most of the HV substations are connected to Distribution System Operators (DSO). In the Netherlands these MV ... -
Smart Switchgear for Extreme Installation Environments
(AIM, June 2019)This paper presents the lessons learned and challenges of switchgear developed for modern day power systems, where these network components are required to operate in extreme installation environments. The challenges will ... -
Phase Identification in smart metering pilot project Komorany
(AIM, June 2019)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 ... -
Benchmarking Linear and Non-Linear Behaviour of Power Inductors for Switched Mode Power Supplies
(AIM, June 2019)Basic power electronic circuits (such as e.g. a Buck, Boost, Buck-Boost or half-bridge topology) for grid-connected applications are in general comprised of a voltage DC-link, two or more semiconductors and an LC input/output ...