HT° MOTOR WINDINGS

Reliability assessment of key technologies for high temperature electrical machines

Coordinatore	UNIVERSITE D'ARTOIS    more  Organization address address: RUE DU TEMPLE 9 city: ARRAS postcode: 62000 contact info Titolo: Prof. Nome: Gabriel Cognome: Velu Email: send email Telefono: +33 3 21637248 Fax: +33 321637121
Nazionalità Coordinatore	France [FR]
Totale costo	292˙511 €
EC contributo	219˙383 €
Programma	FP7-JTI Specific Programme "Cooperation": Joint Technology Initiatives
Code Call	SP1-JTI-CS-2011-01
Funding Scheme	JTI-CS
Anno di inizio	2012
Periodo (anno-mese-giorno)	2012-03-01   -   2013-05-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITE D'ARTOIS  Organization address address: RUE DU TEMPLE 9 city: ARRAS postcode: 62000 contact info Titolo: Prof. Nome: Gabriel Cognome: Velu Email: send email Telefono: +33 3 21637248 Fax: +33 321637121	FR (ARRAS)	coordinator	119˙126.40
2	UNIVERSITE PAUL SABATIER TOULOUSE III  Organization address address: ROUTE DE NARBONNE 118 city: TOULOUSE CEDEX 9 postcode: 31062 contact info Titolo: Ms. Nome: Carole Cognome: Matthia Email: send email Telefono: +33 5 61 55 66 04 Fax: +33 5 61 55 73 13	FR (TOULOUSE CEDEX 9)	participant	82˙719.00
3	ECOLE SUPERIEURE D'ELECTRICITE  Organization address address: RUE JOLIOT CURIE 3 PLATEAU DE MOULON city: GIF SUR YVETTE CEDEX postcode: 91192 contact info Titolo: Ms. Nome: Fanny Cognome: Gaget Email: send email Telefono: +33 1 69 85 12 53 Fax: +33 1 69 85 12 59	FR (GIF SUR YVETTE CEDEX)	participant	17˙538.00

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 Obiettivo del progetto (Objective)

'The project objective is to evaluate the reliability of motor winding technologies able to work at high temperatures. To achieve this goal within the time define in the Clean Sky call sheet, it is necessary to rely on existing technologies, which offer opportunities for rapid implementations on conventional machines, while opening new opportunities towards higher temperatures with innovative technologies. Three sets of technologies will be studied: - The technologies based on enamelled wires associated to polymer impregnation varnishes. - Technologies based on wires wrapped with glass fibber associated to impregnations made with epoxy resins. - The insulation technologies based on ceramics, which offer potential prospects for very high temperatures.

The three sets of technologies will be tested for increasing temperatures on representative test vehicles (twisted pairs, transformer coils and motorettes) involving measurement systems able to get the main parameters of the insulation system (DC and AC leakage currents, partial discharge inception voltage, breakdown voltage, …). The analysis of changes in recorded parameters during the test campaigns will estimate the maximum permissible temperature in the heart of the winding for each technology. These data, combined with constraints of implementation of each technology will define recommendations for the design of electrical machines able to operate at high temperatures for each selected technology.

The part relating to the use of ceramic insulations opens the way to a major technological leap. With such materials, the maximum operating temperature of electrical machines will no longer be imposed by the winding insulation system but by other parts (magnetic or mechanical), consequently new design methods will have to be developed. It is therefore important to put this new approach against the best we might obtain from other technologies by proposing solutions applicable in the short term.'