Quito, Ecuador
Delivery: 1995-1999
Especially for environmentally polluted cities such as the Ecuadorian capital Quito, located 2,850 m above sea-level, the electrically driven bus (trolleybus) is a user-friendly, ecologically friendly, and thus a forward-looking means of public transport.
In 1995, the metropolitan transport service, Municipio del Distrito
Metropolitano de Quito (MDMQ), decided to establish a
trolleybus-network of approx. 23 km length.
The direct pulse inverter is operated by a microprocessor-controlled
drive/brake regulator. Besides the process control, the electronic
drive/brake regulator offers the operating data registration,
diagnostics, and an event storage, enabling the analysis of the
carriage drive and control via a common PC on site, or remotely via
modem.
The carriages for the 54 articulated trolleybuses were supplied by Mercedes-Benz, and the bodies by Hispano Carrocera.
The electrical traction equipment was developed and produced by
Kiepe, strictly applying modern components of Kiepe's capacity
electronics.
The proven direct pulse inverter of GTO-technology, combined with
the solid and maintenance- free three-phase asynchronous motor, serve
as a standard regarding reliability and energy efficiency, enabling the
trolleybus to easily cope with gradients in Quito of up to 15.7%.
The entire Kiepe equipment was developed and produced according to
standard ISO 9001. Its high reliability is also well proven for
applications with trams, streetcars, and subways.
Kiepe's scope of delivery includes:
- Direct pulse inverter
- Electronic drive/brake regulator
- Trolleybus current collector
- Insulation monitor
- Diagnostic system
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