Tesi etd-07022022-204545 |
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Tipo di tesi
Tesi di laurea magistrale
Autore
ARCES, VALERIO
URN
etd-07022022-204545
Titolo
Upgrade of Exciter for Synchronous Generators basing on the Hybrid Excitation Concept
Dipartimento
INGEGNERIA DELL'ENERGIA, DEI SISTEMI, DEL TERRITORIO E DELLE COSTRUZIONI
Corso di studi
INGEGNERIA ELETTRICA
Relatori
relatore Prof. Bolognesi, Paolo
relatore Prof. Nuzzo, Stefano
relatore Prof. Nuzzo, Stefano
Parole chiave
- brushless exciters
- Genset
- hybrid excitation
- Hybrid Excitation Concept
- Synchronous Generators
- wound-field generators
Data inizio appello
18/07/2022
Consultabilità
Non consultabile
Data di rilascio
18/07/2092
Riassunto
The field current of alternators is often provided by rotating diode rectifiers fed by exciters, i.e. inverted-layout coaxial auxiliary synchronous generators. The control of such current is achieved indirectly by regulating the field current of the exciter. This thesis investigates the possibility to equip the exciter with hybrid excitation by adding surface-mounted permanent magnets designed to sustain the genset operation at a selected load condition. This permits to reduce the excitation losses and to operate the genset even in case of failure in the exciter field system.
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