Elways has already designed the various parts of the system. Some of the parts are however not possible to design without testing. Therefore Elways has designed several test circuits and performed tests to verify that the solutions will work.
Tests have also been performed during winter.
Tests have also been performed with salt in order to investigate how the insulation works when there is salt in the water. This is the basis for design of the rail.
At the tests performed with the outdoor test circuit the following test results were achieved:
- A total test distance of 1000 km.
- A total of 60,000 turns, which corresponds to the passing of 60,000 vehicles.
- Tests have been conducted with voltage and current that together corresponds to a power of 160 kW in the two tracks. This is the design value necessary to charge trucks.
- Contact wear has been measured and it is shown that the contacts will last around 10 000 km before they will have to be changed.
Linear test circuit
A linear test circuit has been constructed indoors. Here the contact is designed to move in 100 km/h in order to study collision with small and big obstacles.
By using this circuit a contact has been developed that can withstand both small and big collisions.
The outdoor test circuit with rotating contacts has been supplemented with a circular indoor test circuit, where the track rotates and the contact does not move. With this type of track the contact behaviour can easily be studied in order to ensure the contact is consistent and reliable.
Elways has an ongoing long-term test at a high-traffic area with heavy vehicles. 9 meters of track is buried in the asphalt and exposed to a large number of heavy vehicles.
Arlandastad Test Track
Inaugurates construction of test track
Swedish minister of infrastructure Catharina Elmsäter-Svärd inaugurates then start of construction of the test track by laying down the first piece of rail in the asphalt.
Installation of 200m test track in Maj 2012
Tests are ongoing on a test track at full scale. 200m electrified road is installed where electric cars can be supplied with power from track buried in the asphalt while driving.
A few examples of the tests performed on the test track is shown below
Power from track to car moving 50 km/h
Power is transmitted from the track up to the car through a sliding contact. Behind the car is a light rack that consumes the power absorbed. Light rack consists of eight fan heaters and four halogen lamps, which together correspond to consumption of an electric car at 90km / h.
Wagon with electric motor fed from the rail pushing car to 50 km/h
The car runs completely out of electricity, where power is taken from the track. An electric motor is mounted on a wagon where the wheels are driven by an electric motor. The car is then pushed by the wagon. All power needed by the electric motor is transferred from the rail trough a sliding contact.
Installation of 150m test track in October 2014