Zobrazeno 1 - 10
of 188
pro vyhledávání: '"electrical losses"'
Autor:
V. M. Kovalov, Yu. V. Kovalova
Publikováno v:
Nauka ta progres transportu, Iss 1(105), Pp 42-50 (2024)
Purpose. The work is aimed at improving the energy efficiency of direct current traction electric drives of electric transport by introducing transistor pulse width converters (PWC) with an optimal switching frequency to minimize total electrical los
Externí odkaz:
https://doaj.org/article/d1f38f25ea194bc79d9d5eedd0fbee56
Autor:
Vezir Rexhepi, Shaqir Rexhepi
Publikováno v:
Ecological Engineering & Environmental Technology, Vol 25, Iss 3, Pp 326-335 (2024)
The operation of modern power systems requires a sophisticated technological infrastructure to effectively manage and evaluate their parameters and performance. This infrastructure includes the generation, transmission and distribution power system c
Externí odkaz:
https://doaj.org/article/8909ec4fc21a4f7498e7b8ebd831a0c7
Publikováno v:
Праці Інституту електродинаміки Національної академії наук України, Vol 2023, Iss 66, Pp 90-95 (2023)
On the basis of mathematical modelling of electromagnetic processes, electrical losses in the metal frames of the two-inductor induction channel furnace in a wide range of specific electrical conductivity of the non-magnetic material of the frames we
Externí odkaz:
https://doaj.org/article/0c051dadbd7c421ca523b260cca6e8a7
HYBRID AC/MT-HVDC TRANSMISSION LINES AND ITS EFFECTIVE OPERATION USING ENHANCED-FISH SWARM OPTIMIZER
Autor:
Prabhat Kumar Srivastava, Ezhilarasan G., Divya Paikaray, Sakshi Singh, Manish Srivastava, Anshu Kumar
Publikováno v:
Proceedings on Engineering Sciences, Vol 5, Iss S1, Pp 119-126 (2023)
Multi-Terminal-High Voltage Direct Current (MT-HVDC) transmission lines are used to transmit electricity over long distances with lower losses compared to traditional Alternating Current (AC) transmission lines. However, HVDC transmission lines have
Externí odkaz:
https://doaj.org/article/21723d11c55b4aa897a9457009daf452
Publikováno v:
EAI Endorsed Transactions on Energy Web, Vol 11 (2024)
This article focuses on the optimization of process parameters such as core area, core material and voltage for the design of power transformer. It employs Taguchi orthogonal array technique for designing the experiments and its analysis. Utility tra
Externí odkaz:
https://doaj.org/article/949bb41f5f6f4fa1816acfbea8964545
МОДЕЛЮВАННЯ ЕЛЕКТРОМАГНІТНИХ ПРОЦЕСІВ В ІНДУКЦІЙНИХ КАНАЛЬНИХ ПЕЧАХ З УРАХУВАННЯМ МЕТАЛЕВИХ КАРКАСІВ
Publikováno v:
Праці Інституту електродинаміки Національної академії наук України, Iss 64, Pp 64-69 (2023)
On the basis of the formulated mathematical model for the study of electromagnetic processes in a two-phase (two-inductor) induction channel furnace, electrical losses in the metal frameworks of the furnace were calculated for vari-ous options for th
Externí odkaz:
https://doaj.org/article/6c7e52e56586409884a1813affae1fd6
Autor:
Lina Alhmoud, Maan Shloul
Publikováno v:
Results in Engineering, Vol 19, Iss , Pp 101378- (2023)
Renewable energy generation (REG) has been the main concern for policymakers, governments, industries, researchers, and other energy agencies in leaser fossil fuel and polluted environments. Nowadays, distributed photovoltaic (DPV) integration is a v
Externí odkaz:
https://doaj.org/article/fe599eb75c7247a68c3db9cd5336001a
Publikováno v:
IEEE Access, Vol 11, Pp 56526-56537 (2023)
Over recent decades, electrical power concepts under nonsinusoidal and unbalanced conditions have been continually researched by several academics around the world. The results from these studies present a direct relationship between the performance
Externí odkaz:
https://doaj.org/article/f9a30cf2826149dda55c808ce5c09b3d
Autor:
Kovalov V., Kovalova Yu.
Publikováno v:
Problems of the Regional Energetics, Vol 56, Iss 4, Pp 39-46 (2022)
This work is devoted to develop the algorithm for determining the optimal switching frequency of a transistor pulse-width converter (PWM) to minimize the total electric losses in a DC drive. Electric losses in the armature winding and in the PWM tran
Externí odkaz:
https://doaj.org/article/bfe6a51ef84547369ef68dedff801f5b
Autor:
Kyunghun Jeon, Myungwoo Park, Jongjin Park, Hongjun Choi, Ki-Deok Lee, Jeong-Jong Lee, Chang-Wan Kim
Publikováno v:
Machines, Vol 11, Iss 9, p 903 (2023)
Electrical losses are converted into thermal energy in motors, which heats each component. It is a significant factor in decreasing motor mechanical performance. In this paper, the motor cooling characteristics were analyzed according to the design f
Externí odkaz:
https://doaj.org/article/cb6948bc1d104a259e5c034386f63258