The latest news item was posted 6 days ago:
Trolleybus and battery bus
filed on: 17.08.2016 (17th Aug 2016)
According to a report on Trolleymotion, VBZ trolleybus 160 that was demonstrated in Lausanne from 19th to 25th July is the first of the VBZ trolleybuses formerly equipped with auxiliary diesels to be re-equipped with a battery pack (the earlier batch of both Swisstrolley and Lightram were initially equipped with auxiliary diesels, the second batches having battery packs from new). Further vehicles are presently undergoing the conversion at Hess's Bellach plant. During its stay in Lausanne the trolleybus did not see any passenger service but tests were made to observe aspects such as thermal load on resistors, temperature and discharging of batteries.
The trolleybus had previously been exhibited at a KTBB congress in Fribourg on 24th and 25th May, with only one half of the inerior refurbished to demonstarte a before and after effect.
There is also a federally sponsored reserach project to produce a more fundamental conversion of a trolleybus for battery operation. It will use different motors and also seek to reduce energy consumptiuon by auxilary consumers. This bus will be presented in late 2016.
This news item is from the 2016 newslog.
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