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ADL: Electric buses achieve 97 percent charging efficiency

According to the provider, it is the best value achieved in the UK so far.

Decreasing energy consumption also means lower operating costs for transport companies. (Photo: ADL)
Decreasing energy consumption also means lower operating costs for transport companies. (Photo: ADL)
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von Claus Bünnagel

Tests by Zemo Partnership have confirmed a charging efficiency of 97% for the new E-models from Alexander Dennis (ADL). According to ADL, this was achieved through careful system integration and optimization, where the manufacturer's engineers worked closely with the powertrain supplier Voith Turbo, battery system provider Impact Clean Power Technology, and HVAC specialist Grayson Thermal Systems.

The efficiency of 97% between grid and wheel is the best that has been achieved so far during the certification of zero-emission buses in the UK. This can further improve the overall efficiency of the ADL electric buses. The Enviro400EV has already been certified with an energy consumption of 0.67 kWh/km in the UK bus cycle and the Enviro100EV with 0.54 kWh/km in the powertrain.

Energy throughput of up to 1.6 GWh

The independent data from tests by Zemo Partnership show that the Enviro400EV can reduce energy costs by at least 14% compared to other certified electric double-deckers of similar battery size under the test conditions of the UK Bus Cycle. The total operating costs are further reduced by a long battery life, enabling a guaranteed energy throughput of up to 1.6 GWh.

As real-world conditions can differ from UK Bus Cycle tests, ADL offers its customers comprehensive modeling to anticipate performance on their actual routes.

Translated automatically from German.
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