Driving Equipment With Three-phase Inverters
And Asynchronous Traction Motors For Trolleys
And Trams
Author(s)
V. Radulescu, I. Strainescu, L. Moroianu, S. Gheorghe, E. Tudor,
V. Lupu, F. Bozas, A. Dascalu, G. Mitroi & D. Braslasu
Abstract
The company ICPE SAERP S.A. is the main producer of electric drives for
urban traction and for railway vehicles in Romania. The products of our
company are subject to the last 48 years of permanent evolution, based on the
semiconductor’s development and of the microprocessors control techniques.
The improvement of the passenger’s comfort and the downsizing of the
exploitation costs is a must for public transportation companies, relating to
trolleybuses and trams. Both can be achieved by using modern electric drives
(DC choppers or three-phase inverters), which can reduce power consumption
and increase control of the vehicle. The main products for electric traction are:
drives for traction motors of the vehicles (DC choppers for DC series motors and
three-phase inverters for asynchronous and for synchronous motors) and
converters for auxiliary services of the vehicles with two development directions,
battery chargers (DC converters) for drive supply (24Vdc or 110Vdc) and threephase
inverters for auxiliary asynchronous motors (steering, compressor). ICPE
SAERP SA has delivered 310 pcs. traction equipment with DC chopper with
GTO thyristors or IGBT transistors that equip the trolleybuses from Astrabus srl
Arad for the final customers RAT Bucharest, Transurb Galaţi and Ratuc Cluj –
Napoca. This paper presents driving equipment with three-phase inverters for
asynchronous motors for trolleys and trams that ICPE SAERP has delivered in
the past three years. The paper also presents the equipment’s performances, the
analysed principle for electrical power diagrams.
Keywords: three-phase inverter, asynchronous traction motor, electrical vehicle.
Keywords
three-phase inverter, asynchronous traction motor, electrical vehicle
Related Book
Other papers in this volume
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