Abstract
The pursuit of fuel consumption reduction by vehicles leads to a sudden increase in the share of hybrid and electric drives in the vehicle market. Replacing hybrid vehicles with electric vehicles requires long-term technological solutions, both for the infrastructure and the vehicles themselves. Therefore, one of the leading types of passenger car drives is currently the hybrid drive. The generated work share of electric drives used to power hybrid vehicles is a determinant of the viability of using electric drives. The article estimates the operating time share of electric and hybrid modes operation in real driving conditions (RDC) based on the latest Toyota hybrid model. The research object was a vehicle from the crossover group equipped with a fourth generation hybrid drive. Analysis of the drives operation allowed to determine the conditions of energy flow and determine the work share of the electric drive in the total driving time.
Highlights
For a long time, due to economic and ecological aspects, solutions have been sought that would minimize the use of conventional fuels in transport
The following values were recorded in the tests: vehicle speed (S), combustion engine speed (n), battery charge status (SOC), electric motor speed and battery current (IB – positive value was defined as charging the battery, and negative indicates battery discharge)
Based on the obtained results, it can be stated that the latest hybrid vehicles are characterized by a larger share of the system's operation in electric mode than in the hybrid mode
Summary
Due to economic and ecological aspects, solutions have been sought that would minimize the use of conventional fuels in transport. Such solutions are used in various branches of transport, including in road, rail and even air transport [7, 11]. The share of passengers transported by this type of transport amounted to 56.2%. Considering this data, it seems justified that the majority of effort in the field of reducing emissions to the environment is carried out towards road transport
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