Abstract

The subject of this paper is an experimental analysis of a Nissan LEAF electric car equipped with 24 kWh battery, powered from the standalone photo-voltaic (PV) charging station in Gdańsk, Poland. The calculations of charging process efficiency and range of test drives were conducted in two extreme situations (winter and summer) of sunlight and road conditions. Experiments were performed in the Laboratory of Innovative Power Technologies and Integration of Innovative Energy Sources (LINTE^2) at Gdańsk University of Technology. The car was night-charged with the stationary electrochemical battery, which, in turn, was powered with PV panels during the day. The impact of sunlight and ambient temperature changes on daily urban and highway drive ranges was analysed. The efficiency of energy conversion in multiple current converters was determined.

Highlights

  • Electric vehicles (EV) were one of the first car for carrying people

  • The environmental concerns in terms of greenhouse gases (GHG) emissions can be identified as a major accelerator of the EV market [2]

  • Replacement of the conventional and inefficient internal combustion engine vehicles (ICEV) with hybrid electric vehicles (HEV) and all electric vehicles including battery electric vehicle (BEV) and fuel cell electric vehicle (FCEV) can be a way to limit emissions and to provide cleaner and quieter ambiance as well as to drastically reduce the operational cost compared to gas-powered cars [5]

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Summary

Properties of electric vehicles: charging process and usage

Electric vehicles (EV) were one of the first car for carrying people. In the years 1832 - 1839 the first carriages and cars with the voltaic pile were announced and tested. At the beginning of the twentieth century, they EVs were pushed out of the market by vehicles with internal combustion engines, including the Ford T, mass produced from 1908 to 1912. Replacement of the conventional and inefficient internal combustion engine vehicles (ICEV) with hybrid electric vehicles (HEV) and all electric vehicles including battery electric vehicle (BEV) and fuel cell electric vehicle (FCEV) can be a way to limit emissions and to provide cleaner and quieter ambiance as well as to drastically reduce the operational cost compared to gas-powered cars [5]. B. Electric vehicles do not emit pollutants while in use but due to not yet fully mature technology and high utilization of rare earth metals, the production process generates much more emissions compared with the ICE cars production process;. The capacity of car’s battery pack is 24 kWh

Use of solar power plants for charging electric vehicles
EV charging and test drives
Findings
Conclusions
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