Lub series ntawm BJT hloov tsheb yog powered los ntawm cable.Lub hwj chim qhov chaw 360V alternating tam sim no yog thauj mus rau lub traction motor los ntawm cable thiab ces ua rau lub tsheb pib, nres, txav mus rau pem hauv ntej thiab rov qab mus. Qhov hluav taws xob muaj kev nyab xeeb 36V. Cable yog sau thiab tso tawm los ntawm coiling ntaus ntawv mounted hauv qab lub tsheb. Nws yog tus nqi-txuag thiab khiav mus ntev thiab tsis xav tau kev thov tshwj xeeb rail.
