Let’s compare for a moment the Tesla Model 3 and the Porsche Taycan. Smaller cables means a lighter load, which weighs down the EV less. If you have greater voltage, then it means you can push more current through smaller cables. T he voltage to amperage balance is key in the construction of any electric car. You may think these numbers look high, but you should be aware that the Porsche Taycan, for example, runs at a nominal rate of 800 volts. Tesla Car Voltagesĭifferent Tesla models run on different voltages, namely: The number 745.7 watts is equivalent to 1 horsepower. We also need to consider watts, which are kind of like the new horsepower when it comes to electric cars. Wider cables can have more current passed through them. We can increase the flow by increasing the diameter of our “cable.” The same is true in battery technology. A higher voltage means more pressure, thus most power being moved through the system.Īmpere is similar to the idea of water flow in our analogy. Voltage is similar to water pressure in our garden hose analogy. Think of the hose as an electrical cable, and the water as electric current. What’s the difference? A useful analogy for describing the difference between these two terms is a garden hose and the water running through it. Besides volts, amperage is also an important factor in the specification of a Tesla or other EV.
You may look at technical specifications on electric cars and wonder to what all these electrical terms like voltage are referring. Modern electric cars are using battery packs in the hundreds of volts, anywhere from 200 to 800 volts, in fact. Moving on even further, however, brings us to the even newer all-electric car, which just in the last 20 years has become a much more viable and increasingly applied automotive technology. Hybrid cars still have the old 12-volt batteries in them, too. These systems made use of 48-volt battery systems, a four-fold increase on what we were used to. The advent of hybrid cars introduced more advanced electrical systems into our cars, these ones being capable of powering the propulsion via electric motors. It charges as we drive, helps get the engine started, runs the various electrical components like lights, a/c and more.
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