Electric Bus Power Consumption Study in Nordic Conditions
Heininen, Sampo (2020)
2020
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:amk-202003103276
https://urn.fi/URN:NBN:fi:amk-202003103276
Tiivistelmä
This Master’s thesis was assigned by VDL Bus & Coach. The purpose was to gather and analyze energy consumption information of VDL electric city buses driving in Nordic climate conditions. The aim was to collect the data with a controlled test using a test bus and from buses delivered to the Nordic countries in 2018 and 2019.
The research data was collected with ZF Openmatics service and analyzed in the Microsoft PowerBI application. The results were combined with literature research of the subject. Unfortunately, the practical tests planned for this thesis could not be carried out. However, on the basis of the research data acquired for this thesis it was possible to draw conclusions on energy consumption of VDL electric buses in different driving situations when they were used in cold climate conditions.
The collected data shows that the consumption of the electrical part of the climate system was remarkably steady and is relatively lower at higher average speeds. Relative driveline consumption fluctuated significantly in different conditions and was directly proportional to long standing times with the main switch on. Braking energy regeneration was generally between 0.4 and 0.5 kWh/km.
The results of this thesis can be used to estimate performance of similar VDL electric buses on different routes and driving cycles in cold ambient temperatures in the future.
The research data was collected with ZF Openmatics service and analyzed in the Microsoft PowerBI application. The results were combined with literature research of the subject. Unfortunately, the practical tests planned for this thesis could not be carried out. However, on the basis of the research data acquired for this thesis it was possible to draw conclusions on energy consumption of VDL electric buses in different driving situations when they were used in cold climate conditions.
The collected data shows that the consumption of the electrical part of the climate system was remarkably steady and is relatively lower at higher average speeds. Relative driveline consumption fluctuated significantly in different conditions and was directly proportional to long standing times with the main switch on. Braking energy regeneration was generally between 0.4 and 0.5 kWh/km.
The results of this thesis can be used to estimate performance of similar VDL electric buses on different routes and driving cycles in cold ambient temperatures in the future.