What is the importance of length of charging cable with an EV?

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This doesn’t seem to apply to 110v what what I’ve been able to tell, unless they are adding an extension cord.

But level 2 or DC chargers appear to have a requirement of about 3-6 feet. Why is this?

What is the importance of the length of cable?

In: Technology

6 Answers

Anonymous 0 Comments

The power drop, or power lost in a cable, depends on the cable length, cable size and the current through the cable. Larger cables have less resistance and can therefore transmit more power without large losses. Losses in smaller cables remain low if the amount of power transmitted is small, or if the cable is not very long. Engineers have to design the power system so that the power loss in the cables is acceptable for the length of cable required to supply the load

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