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| rdf:type
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| Description
| - The variable speed power generation brings higher efficiency and other economy benefits namely in low power range sources and isolated systems with local net supply. Typically it is in mobile power generation based on fuel engine drive, but the results are also useful in the area of wind power generation and maybe in few years in automobile industry for car board-net supply as well. To keep high efficiency, the cheap constant-geometry wind turbine must be operated at variable rotation speed in dependence on wind speed. Permanent magnet synchronous generator was first to used in VSCF generation, but its flux cannot be decreased at reduced load, therefore its excellent rated efficiency is not so optimal in competition with much cheaper and robust asynchronous generator (AG) at partial load. The mathematical model for AG optimal slip estimation from efficiency point of view is created. Some model results are presented to show the AG efficiency at varying load and its other advantages.
- The variable speed power generation brings higher efficiency and other economy benefits namely in low power range sources and isolated systems with local net supply. Typically it is in mobile power generation based on fuel engine drive, but the results are also useful in the area of wind power generation and maybe in few years in automobile industry for car board-net supply as well. To keep high efficiency, the cheap constant-geometry wind turbine must be operated at variable rotation speed in dependence on wind speed. Permanent magnet synchronous generator was first to used in VSCF generation, but its flux cannot be decreased at reduced load, therefore its excellent rated efficiency is not so optimal in competition with much cheaper and robust asynchronous generator (AG) at partial load. The mathematical model for AG optimal slip estimation from efficiency point of view is created. Some model results are presented to show the AG efficiency at varying load and its other advantages. (en)
- Generátory s proměnnou rychlostí přinášejí lepší účinnost a další ekonomické úspory zejména ve zdrojích menšího výkonu v izolovaných sítích. Typicky se jedná o mobilní zdroje hnané spalovacím motorem, ale výsledky lze aplikovat i oblasti větrných elektráren a snad i v automobilních zdrojích. Při proměnné rychlosti větru musí být levná vrtule s pevnou geometrií provozována s různou rychlostí k dosažení nejlepší účinnosti. Zpočátku se použily synchronní generátory s permanentními magnety pro zdroje VSCF, ale jejich magnetický tok nelze snadno snižovat při částečné zátěži, kde vynikající nominální účinnost rychle klesá, ve srovnání s optimálně řízeným asynchronním generátorem AG. Byl vytvořen matematický model pro optimalizaci skluzu AG z hlediska účinnosti a některé výsledky z modelu dokládají vynikající účinnost AG při proměnné zátěži i jeho další přednosti. (cs)
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| Title
| - Asynchronní generátor s proměnnou rychlostí (cs)
- Variable Speed Asynchronous Generator
- Variable Speed Asynchronous Generator (en)
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| skos:prefLabel
| - Asynchronní generátor s proměnnou rychlostí (cs)
- Variable Speed Asynchronous Generator
- Variable Speed Asynchronous Generator (en)
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| skos:notation
| - RIV/60162694:G38__/04:#0000024!RIV06-GA0-G38_____
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60162694:G38__/04:#0000024
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Variable speed constant frequency (VSCF) technology; permanent magnet synchronous generator; efficiency optimization; inverter (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Proceedings of International Conference on Renewable Energies and Power Quality - ICREPQ'04 (CD ROM)
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
| |
| number of pages
| |
| http://purl.org/ne...btex#hasPublisher
| - EA4EPQ European Association for the Development of Renewable Energies, Environment and Power Quality
|
| https://schema.org/isbn
| |
| http://localhost/t...ganizacniJednotka
| |
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