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A Novel Feature Set for Low-Voltage Consumers, Based on the Temporal Dependence of Consumption and Peak Demands

Robbert Claeys, Hakim Azaioud, Rémy Cleenwerck, Jos Knockaert, Jan Desmet
2020 Energies  
This paper proposes a novel feature construction methodology aiming at both clustering yearly load profiles of low-voltage consumers, as well as investigating the stochastic nature of their peak demands  ...  An analytic expression for the load duration curve is validated and leveraged in order to define the the region that has to be considered as peak demand region.  ...  Abbreviations The following abbreviations are used in this manuscript: LDC Load duration curve OLS Ordinary least-squares PV Photovoltaic SLP Synthetic load profile SME Small and medium-sized enterprises  ... 
doi:10.3390/en14010139 fatcat:vlcmxb2h2raftdzujmerfpml2u

Power Quality Analysis at Pumping Stations Network In Egypt

Radwan H. Abdel-Hamid, Mohamed A. Helal, Sobhi M. Ahmed Farrag, Ashraf M. Elsotohy
2001 ERJ. Engineering Research Journal  
A special diagnosis system is described and installed at the selected pilot pump stations for long periods to cover the seasonable load system at these stations.  ...  The rating of the pumping units ranges between 475 kW and 1 MW for each unit at an operating voltage ranges between 6.6 kV and 11 kV.  ...  CCT (Sensors) Main Bus Power flow to the 6-Monitoring Strategy The load of the pumping network stations varies according to the seasons of irrigation governed by the national scheme.  ... 
doi:10.21608/erjm.2001.71018 fatcat:5j2dey32kjejnkekjhqnp7etqu

Battery Energy Storage Systems and Rooftop Solar-Photovoltaics in Electric Power Distribution Networks [chapter]

Innocent E. Davidson, Rodney Reddy
2021 Energy Storage Devices [Working Title]  
In several countries, the consequential effect of meeting electrical demands continues to burden the electrical infrastructure leading to violation of statutory operating limits.  ...  Such violations constrain a power system's ability to supply suitable energy whilst meeting daily load and growth demands.  ...  Acknowledgements Thanks to Dayahalen Chetty of Eskom Holdings SOC Ltd., © 2021 The Author(s). Licensee IntechOpen.  ... 
doi:10.5772/intechopen.99248 fatcat:kl3lglmykfch7ahndciwvn7aay

Low-carbon benefits analysis of energy-intensive industrial demand response resources for ancillary services

Mingtao YAO, Zhaoguang HU, Ning ZHANG, Wei DUAN, Jian ZHANG
2015 Journal of Modern Power Systems and Clean Energy  
In order to have an indepth study of the response mechanism of industrial loads to provide AS, cement and aluminum smelter are selected as two typical IDRR, and the AS type they provided and response mechanism  ...  As a major CO 2 emission source, the low-carbon development of the power sector requires the sector's own efforts and the cooperation with other industries, especially in the context of rapid development  ...  Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s)  ... 
doi:10.1007/s40565-015-0102-6 fatcat:gzgrz7jhwvhtbdoi7u5jwdwede

Price-Based Demand Side Response Programs and Their Effectiveness on the Example of TOU Electricity Tariff for Residential Consumers

Jerzy Andruszkiewicz, Józef Lorenc, Agnieszka Weychan
2021 Energies  
hours of a day or season.  ...  A case-study analysis is presented for residential electricity consumers, shifting the settlement and consequently the profile of electricity use from a flat to a time-of-use tariff, based on the comparison  ...  Data Availability Statement: The data presented in this study are available in the article and supplementary materials. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/en14020287 fatcat:ifk6dptvlbgbpewienw7zsy4em


R.D. Smith, R.J.O. Joubert
2012 South African Journal of Industrial Engineering  
GLOSSARY OF TERMS capital investment criteria, consumer surplus, cost-benefit analysis, cost of unsupplied energy, customer interruption cost, economics, economic evaluation, electricity, electrical energy  ...  It is submitted that the results of this investigation will enable the operators of bulk electricity transmission systems to match the level of investment in reliability related infrastructure, with customers  ...  A typical annual load duration curve is shown in Figure 7 .3 below.  ... 
doi:10.7166/13-1-318 fatcat:ez2qkcyvfjaadb2bmc75an5gya

Technical and economic assessment for optimal sizing of distributed storage

Ismael Miranda, Nuno Silva, Helder Leite
2012 2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe)  
The introduction of renewable sources poses new challenges to power systems operation.  ...  A case study synopsis of voltage regulation and renewable energy time-shift application to LV and MV networks is presented.  ...  Low Voltage Distribution Network A Low voltage (LV) balanced network is modelled consisting on a 300 consumers load, 6.9 kVA of installed capacity each.  ... 
doi:10.1109/isgteurope.2012.6465745 dblp:conf/isgteurope/MirandaSL12 fatcat:g3qgekkmgncstfld2sr637akui

Method of assessment of the state of charge and voltage level in the electric power distribution network. Implementation in the improvement of supply quality

J.I. García-Román, E. Gonzalez-Romera, F. Barrero-González, D. Carmona-Fernández, J.A. Álvarez-Moreno
2006 International Journal of Electrical Power & Energy Systems  
This paper proposes a low cost, short-term method of assessment of the state of charge and voltages in the distribution network, which aids the carrying out of a specific directed maintenance which in  ...  Nevertheless, setting this type of operation and conservation structure up in low voltage levels of distribution requires high levels of investment with lengthy repayment periods, which cannot be met by  ...  Acknowledgements This work is part of a project supported by the Junta de Extremadura and the European Union (FEDER program).  ... 
doi:10.1016/j.ijepes.2006.02.005 fatcat:2krbrgopyvaxhfmjda6j4w4g7e

Assessment of distribution network limits for non-firm connection of renewable generation

T. Boehme, G.P. Harrison, A.R. Wallace
2010 IET Renewable Power Generation  
well as the frequency and duration of necessary curtailments.  ...  By way of a case study of potential wind, wave and tidal current development in the Orkney Islands, Scotland, the analysis provides estimates for the degree of curtailment and consequent economic impact  ...  Fig. 9 shows load duration curves for the two components selected earlier: (a) the Scorradale voltage regulator and (b) the Shapinsay to Bu subsea cable.  ... 
doi:10.1049/iet-rpg.2008.0109 fatcat:vwfb7lhsqrg5xefnfzv5fmy6a4

Analysis of load match and grid interaction indicators in net zero energy buildings with simulated and monitored data

Jaume Salom, Anna Joanna Marszal, Joakim Widén, José Candanedo, Karen Byskov Lindberg
2014 Applied Energy  
Indicators analyzed cover two aspects: load match and grid interaction. Hourly values of the cover factors provide quite a good picture of the load match.  ...  Proposed graphs provide a useful way to concentrate a large quantity of information. Dimensioning rate and connection capacity credit relate the building with the grid.  ...  Acknowledgements The analysis described in this paper builds upon concepts found in the literature and further developed in the context of the joint IEA (International Energy Agency) SHC (Solar Heating  ... 
doi:10.1016/j.apenergy.2014.09.018 fatcat:uyadhrhibfambmxmch7yz3r4vu

Data Analytics for Profiling Low-Voltage Customers with Smart Meter Readings

Fabrizio Pilo, Giuditta Pisano, Simona Ruggeri, Matteo Troncia
2021 Applied Sciences  
Different LPs are assigned to low voltage (LV) customers belonging to nominal homogeneous category for overcoming the inaccuracy due to non-existent coincident peaks, arising by the common use of a unique  ...  The paper proposes a new technique based on advanced data analytics to analyze the data registered by smart meters to associate to each customer a typical load profile (LP).  ...  of voltage regulation issues and power congestions, especially at the medium-voltage (MV) and low voltage (LV) levels where most distributed energy resources (DERs) are connected.  ... 
doi:10.3390/app11020500 fatcat:4fktqxzxlrgati4qhjhfhg5dam

Measurement-based load parameter modelling for technical and tariff studies of medium voltage feeders

Johannes L. Buys, Charles T. Gaunt
2022 SAIEE Africa Research Journal  
Transformation in the South African power sector and new load patterns necessitated a review of load models used for financial, technical and tariff analysis.  ...  Load models with distinct profiles for typical days were developed for non-overlapping customer classes using a set of coherent parameters derived from MV chronological load profiles and the k-means algorithm  ...  Probabilistic load models are used in network design in South Africa, particularly in low voltage (LV) feeder voltage calculations and were pivotal in the development of the Herman-Beta (HB) transform  ... 
doi:10.23919/saiee.2022.9785540 fatcat:4ouuxrbekfaaxdhgyuzwju76fy

Defining electricity tariffs using the knowledge about the consumers profiles in ELECON project

Hugo Morais, Zita Vale, Pedro Faria, Sergio Ramos
2013 2013 IEEE PES Conference on Innovative Smart Grid Technologies (ISGT Latin America)  
for several, clusters of consumers.  ...  The increasing importance of the integration of distributed generation and demand response in the power systems operation and planning, namely at lower voltage levels of distribution networks and in the  ...  The research leading to these results has received funding from the People Programme (  ... 
doi:10.1109/isgt-la.2013.6554488 fatcat:edp6kkifqra3ziu5xoodrjkybe

Residential load modeling of price-based demand response for network impact studies

Killian McKenna, Andrew Keane
2016 2016 IEEE Power and Energy Society General Meeting (PESGM)  
Fig. 10 . 10 Logarithmic plot of the total percentage duration curve of voltage and loading conditions under a TOUP for (a) Phase C Loading on Line 1-2 (b) Phase C Voltage at Pillar 9. Fig. 2.  ...  Although loading increases there is low risk of causing any major problems as LV lines are typically conservatively rated. 2) Voltage Deviation: The increased volatility of active power and reactive power  ... 
doi:10.1109/pesgm.2016.7741224 fatcat:a32scqplnfhhlaht3sg2zzu5dq

Residential Load Modeling of Price-Based Demand Response for Network Impact Studies

Killian McKenna, Andrew Keane
2016 IEEE Transactions on Smart Grid  
This paper presents a comprehensive low-voltage residential load model of price based demand response.  ...  elastic response of the consumer.  ...  Fig. 10 . 10 Logarithmic plot of the total percentage duration curve of voltage and loading conditions under a TOUP for (a) Phase C Loading on Line 1-2 (b) Phase C Voltage at Pillar 9. Fig. 2.  ... 
doi:10.1109/tsg.2015.2437451 fatcat:oyyektczqvcdnh6tmezmlsw4im
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