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  • The new variable speed concept of mobile Electrical Generating Sets (EGS) is based on the VSCF technologies (Variable Speed – Constant Frequency). The diesel engine adjusts its speed according to the EGS load. The optimum speed is hereby determined according to the EGS load with the minimum fuel consumption optimality criterion. The output voltage and frequency are stabilized by means of power electronics converter. The efficiency of EGS with variable speed at rated load is lower then the efficiency of EGS with constant speed without power electronic converters. The decrease of efficiency is caused by the power electronic itself and by the effect of power electronic converters on the permanent magnet synchronous generator. This efficiency decrease is not inconsiderable and it is important to design the suitable converter structure with its own high efficiency and with low effect on the generator efficiency.
  • The new variable speed concept of mobile Electrical Generating Sets (EGS) is based on the VSCF technologies (Variable Speed – Constant Frequency). The diesel engine adjusts its speed according to the EGS load. The optimum speed is hereby determined according to the EGS load with the minimum fuel consumption optimality criterion. The output voltage and frequency are stabilized by means of power electronics converter. The efficiency of EGS with variable speed at rated load is lower then the efficiency of EGS with constant speed without power electronic converters. The decrease of efficiency is caused by the power electronic itself and by the effect of power electronic converters on the permanent magnet synchronous generator. This efficiency decrease is not inconsiderable and it is important to design the suitable converter structure with its own high efficiency and with low effect on the generator efficiency. (en)
  • Referát je zaměřen na možnosti zvýšení účinnosti v elektrocentrále s optimálně proměnnými otáčkami, diskutuje se vliv ztrát na výkonových měničích napětí a kmitočtu, jejich vliv na ztráty v synchronním generátoru s permanentními magnety jímž je centrála vybavena. Volbou vhodné struktury měničů je možno vlastní ztráty i ztráty generátoru snížit. (cs)
Title
  • Počítačová analýzy a určení účinnosti mobilních zdrojů elektrické energie s proměnnou rychlostí (cs)
  • Computer Analyses and Efficiency Investigation for Variable Speed Concept of Mobile Electrical Generating Sets
  • Computer Analyses and Efficiency Investigation for Variable Speed Concept of Mobile Electrical Generating Sets (en)
skos:prefLabel
  • Počítačová analýzy a určení účinnosti mobilních zdrojů elektrické energie s proměnnou rychlostí (cs)
  • Computer Analyses and Efficiency Investigation for Variable Speed Concept of Mobile Electrical Generating Sets
  • Computer Analyses and Efficiency Investigation for Variable Speed Concept of Mobile Electrical Generating Sets (en)
skos:notation
  • RIV/60162694:G38__/05:#0000032!RIV06-GA0-G38_____
http://linked.open.../vavai/riv/strany
  • 1278;1286
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/03/0795)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
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  • 516091
http://linked.open...ai/riv/idVysledku
  • RIV/60162694:G38__/05:#0000032
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Synchronous Generator with Permanent Magnet; Efficiency (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GR - Řecká republika
http://linked.open...ontrolniKodProRIV
  • [35F4B0B45691]
http://linked.open...i/riv/nazevZdroje
  • WSEAS Transactions on Systems, Issue 8, Vol. 4
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 8
http://linked.open...iv/tvurceVysledku
  • Leuchter, Jan
  • Steklý, Vítězslav
  • Bauer, Paul
  • Kurka, Otakar
issn
  • 1109-2777
number of pages
http://localhost/t...ganizacniJednotka
  • G38
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