Kovernikova L.I., Luong V.C. New approach to modeling the nonlinear loads // E3S Web of Conferences. Vol.139. ID: 01055. 2019. 6 p. DOI: 10.1051/e3sconf/201913901055 Parameters of operating conditions of electric power systems shall ensure efficient and reliable operation of both power generating companies and of consumers, which to a great extent depends on power quality. Most urgent problem in this area is currently non-sinusoidal voltage. Power quality control, development of technical measures...
Теги: harmonic analysis , parameter estimation , power generation , power quality , computing program , generating companies , measured parameters , methodological approach , non-sinusoidal voltage , operating condiHung B.N., Kovernikova L.I. Analyzing the potential for using active filters to reduce voltage nonsinusoidality in the electric power supply system of a coal open-cut in Vietnam // E3S Web of Conferences. Vol.114. ID: 04006. 2019. DOI: 10.1051/e3sconf/201911404006 Coal mining is one of the important economic sectors in Vietnam. Power supply systems of coal mines and open-cuts are complex. They have multiple levels of voltages and different types of loads. New electrical equipment usually works alongside...
Теги: coal , coal mines , electric power supplies to apparatus , filtration , harmonic analysis , power quality , quality control , economic sectors , electric power supply , electrical equipment , interharmonic currVan Cuong N., Kovernikova L.I. Predicting the influence of the non-sinusoidal network mode on power transformers // E3S Web of Conferences. Vol.114. ID: 04005. 2019. DOI: 10.1051/e3sconf/201911404005 The parameters of electrical network modes often do not meet the requirements of Russian GOST 32144-2013 and the guidelines of Vietnam. In the actual operating conditions while there is the non-sinusoidal mode in electrical networks voltage and current harmonics are present. Harmonics result in overheating...
Теги: automation , deterioration , electric network parameters , harmonic analysis , oil filled transformers , power transformers , calculating programs , continuous monitoring , electric power provider , electricalKovernikova L.I., Van C.L., Fedchishin V.V. Modeling non-linear load currents by mixture distribution separation // Proceedings - 2018 International Conference on Industrial Engineering, Applications and Manufacturing, ICIEAM 2018. ID: 8728851. ISBN (print): 9781538643075. DOI: 10.1109/ICIEAM.2018.8728851 The paper presents an algorithm for modeling the harmonic currents of non-linear loads. Non-linear load models are necessary to plan the non-sinusoidal states in power networks to control the power...
Теги: electric power quality , harmonic parameter analysis , measurements , non-linear load modeling , stochastic process , distribution functions , electric load management , harmonic analysis , measurement , mixtures , power quality , quality control , random processesRakhmanov N.R., Kurbatsky V.G., Guliyev H.B., Tomin N.V., Rakhmanov R.N. Analysis and modeling of harmonic distortions in consumer's distribution networks, containing a powerful non-linear load // E3S Web of Conferences. Vol.58. ID: 03015. 2018. DOI: 10.1051/e3sconf/20185803015 The paper proposes to simulate a random variability of the nonlinear load in the form of probabilistic characteristics of the amplitudes of harmonic components of powers. The influence of the variability of distribution of...
Теги: electric load flow , analysis and modeling , design experiments , harmonic components , maximum power , nonlinear load , power harmonics , probabilistic characteristics , random variability , harmonic analysisKovernikova L.I., Van Chung L. An algorithm for modeling nonlinear loads based on field measurement parameters // Proceedings of International Conference on Harmonics and Quality of Power, ICHQP. 2018-May. 2018. P.1-6. ISBN (print): 9781538605172. DOI: 10.1109/ICHQP.2018.8378814 The paper presents an algorithm for modeling nonlinear loads connected to the nodes of HV network. Models of nonlinear loads are necessary for analysis of harmonic modes in networks. The model is a set of active and reactive...
Теги: harmonic , harmonic analysis , load modeling , power quality , electric load management , electric power transmission networks , nonlinear analysis , probability density function , quality control , rectifier substations , field measurKovernikova L.I. Some results of research into harmonics in the high voltage networks with distributed nonlinear loads // 2013 International School on Nonsinusoidal Currents and Compensation, ISNCC 2013. 1 p. ISBN (print): 9781467363. DOI: 10.1109/ISNCC.2013.6604445 The paper presents the results of the analysis of harmonic parameters in the high voltage network that were measured at four railway substations. The substations are distributed evenly throughout the network. Traction load of the substations...
Теги: measurements , harmonic , harmonic parameters , high voltage networks , nonlinear load , railway substations , traction load , traction substation , harmonic analysis
