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Recently updated on January 18, 2023 at 11:27 am
Every car enthusiast knows that feeling after buying a new car and it's finally time to measure its performance. Does the speedster keep what the vehicle registration document promises? This is particularly interesting for e-vehicles, since the technology behind the electric vehicles is still new and fascinating. To get the best possible experience when measuring performance, you can electric vehicle on a professional dynamometer testing. This article gives a very rough explanation of how to proceed if you want to measure the performance of the electric vehicle on a dynamometer. The dynamometer is an essential tool to measure and compare the performance of the car. However, in the case of electric vehicles, things are a bit different than their petrol and diesel counterparts. For example, because the e-car only has one gear in contrast to the combustion engine.
Electric car on the test bench
To the performance of a electric vehicle to measure on the dynamometer, you not only have to look at the engine performance, but also the battery power. The battery capacity should be at 100% if possible. Depending on the vehicle and test stand, the speed may have to be calibrated, which is only possible to a limited extent due to the lack of a classic speedometer. Since the engine speed is not actually visible, it may be possible to feed the test stand with the data of the wheel revolutions (wheel circumference). At least to be able to calculate the torque, this method may have to be used, depending on the test bench and the vehicle. In principle, however, the e-car can also be measured like a combustion engine, the test bench should only be used for special programs E-car own. Conversions are usually very imprecise!
Performance measurement process:
- the e-car is also lashed down on the test bench, like a petrol engine
- the battery should have more than 90% (preferably 100%) capacity
- depending on the vehicle, a certain "Dyno mode, test bench mode" etc. are activated (assistance systems are then deactivated)
- some e-vehicles generally CANNOT be measured, they must be explicitly approved by the manufacturer for the Dyno run be unlocked
- measurements may only be possible in certain modes (Sport, Sport+, Dynamic etc.)
- It is important to avoid slip on the tires
- the ventilation system from the test stand must also run on electric cars
Of course, that wasn't the end of it!
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