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TRACTIUNE ELECTRICA

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Sistemul de propulsie – Vehicule neautonome<br />

VEM alimentate de la LC de c.c.<br />

VEHICULE ELECTRICE<br />

echipate cu motor de tractiune de c.c. serie si alimentat de la LC prin<br />

reostat de pornire/franare (RPF) sau prin variator static de tensiune<br />

continua(VTC) (figura 1.4 a si b); din aceasta categorie fac parte vehiculele<br />

de transport urban ( tramvaie, trolee, metrouri), locomotive electrice<br />

clasice pentru cai ferate electrificate in c.c., locomotive electrice de mina<br />

traditionale<br />

convertor static de frecventa, avand in structura sa invertor de tensiune<br />

sau invertor de curent (figura 1.4 c si d); astfel de VEM neautonome sunt<br />

ramele de metrou urbane sau suburbane din noua generatie<br />

2007-2008 CET - CURS 9 14

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