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Search results for: electromagnetic
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Year: 2013, Volume: 13, Number: 3
... CT reduction of Synchronous Machine (PMSM) [1] -[ 5]. The replacement of PMSMs but also emphasizes the impact of that solution on classical electromagnetic excitation with Permanent the machine performance under no-load and load condition. Magnets (PMs) makes the PMSM a very efficient and reliable machine, with a large ...
52. Radiofrequency Field Distribution Assessment in Indoor Areas Covered by Wireless Local Area Networks
Year: 2009, Volume: 9, Issue: 1
... Iulian BOULEANU2, Robert HELBET2 1 Nicolae Balcescu Land Forces Academy, Sibiu, Romania 2 Communication and Information Training Center €“ Sibiu, Romania simo.miclaus@gmail.com Abstract €” Electromagnetic environment becomes day by day system configuration and on the actual traffic in the network more congested. Radio communication systems in the short [1 ], [ ...
Year: 2021, Volume: 21, Number: 1
... also operated as a generator to reuse the stored pitch windings. Based on finite element method, the energy. The type of electrical machines for MESS can be electromagnetic field analysis is performed, and one of the also various, and the previous studies applied an induction analysis models is manufactured for its experimental machine [16 ...
Year: 2014, Volume: 14, Number: 1
... in constructive solution. The optimization study applied the the design. minimal operating costs criterion, and it took into account the starting restrictive conditions. Thirteen variables regarding electromagnetic stresses and main constructive dimensions II. OPTIMAL DESIGN OF THREE-PHASE LOW POWER were considered. The operating costs of the optimized motor ASYNCHRONOUS MOTORS decreased with 25.6% ...
Year: 2009, Volume: 9, Issue: 2
... power to the load, so the EMI filter designer is inherent filtering, and so can obviate the need for an "intentional" filter. Mains EMI (electromagnetic interference) not concerned with them. filters carry potentially high currents at dangerously high To summarize, the requirements of the conventional, or voltages, so care ...
Year: 2009, Volume: 9, Issue: 2
... . The production of electric motors with high energy Taking into account all the specific physical symmetries, efficiency generally leads to the increase of material costs the 2D plane-parallel electromagnetic field computation due to: larger weight of conducting materials by adopting domain is reduced to ¼ of the cross-section of the induction smaller current densities, use of ...
Year: 2012, Volume: 12, Number: 1
... pole synchronous machine (SPSM), that can take into account the basic processes of the machine. It offers results regarding the The motion equation is added: electromagnetic and mechanical stresses for a given practical application. The quantitative determinations were performed J d 3 on an 8000 kW synchronous motor. The results of quantitative m ...
Year: 2010, Volume: 10, Issue: 3
... sq ˆ2 sq parameters identification and accuracy of the estimations, Te= p isx+ isy sd isx+ isy 2 ˆs ˆs ˆs ˆs the estimation of the electromagnetic torque is essential for the entire system performance. For flux estimation, the 3 voltage model is preferred in this study. Te= p ˆ s isy ...
Year: 2010, Volume: 10, Issue: 4
... method for positioning an antenna system, based on these filters, where embedded control systems in rockets, air navigation, and the filter is applied in detection of electromagnetic field extremal control of rapid technological processes. gradient. Control algorithm is based on improved method of This paper is organized as follows. In Section 2 we ...
Year: 2018, Volume: 18, Number: 3
... By replacing Eqs. (6) in Eqs. (1 ), the following voltages fr- friction coefficient; equations can be expressed by: Te- electromagnetic torque; d ids1, 2 Tr- load torque; Vds1, 2 € Rs1, 2 ids1, 2 € Ls1, 2 € Ω- mechanical ...
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