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EnglishThis paper investigates the possibility to use a power split electric driven continuously variable transmission as the core of a wind energy conversion system. The proposed power split transmission for WECS, called W-CVT, allows to control the speed of the turbine rotor by keeping constant the speed of the electric generator. The W-CVT is constituted by a planetary gear set integrated with a small size electric machine. This device is installed between the step-up gearbox and a fixed speed fixed frequency electric generator. The limitation of the transmissible torque between the rotor and generator due to the introduction of the W-CVT could preserve the system components during wind-gusts or electric faults on the grid side. This paper introduces the W-CVT concept, the dynamic model of a complete WECS transmission based on the W-CVT, a design criteria for sizing the CVT, simulations and experimental results obtained with this system.
| Titolo: | Electric driven continuously variable transmission for wind energy conversion system |
| Autore/i: | ROSSI, CLAUDIO; CORBELLI, PIERO; GRANDI, GABRIELE |
| Autore/i Unibo: | |
| Anno: | 2010 |
| Titolo del libro: | Proc of EWEC 2010 |
| Pagina iniziale: | 1 |
| Pagina finale: | 8 |
| Abstract: | This paper investigates the possibility to use a power split electric driven continuously variable transmission as the core of a wind energy conversion system. The proposed power split transmission for WECS, called W-CVT, allows to control the speed of the turbine rotor by keeping constant the speed of the electric generator. The W-CVT is constituted by a planetary gear set integrated with a small size electric machine. This device is installed between the step-up gearbox and a fixed speed fixed frequency electric generator. The limitation of the transmissible torque between the rotor and generator due to the introduction of the W-CVT could preserve the system components during wind-gusts or electric faults on the grid side. This paper introduces the W-CVT concept, the dynamic model of a complete WECS transmission based on the W-CVT, a design criteria for sizing the CVT, simulations and experimental results obtained with this system. |
| Data prodotto definitivo in UGOV: | 24-feb-2011 |
| Data stato definitivo: | 18-set-2018 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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