Video by Go Green Autos via YouTube
Source
In this video, I look at what is under the bonnet (or hood) in an electric vehicle – in the case, a 2017 Hyundai Ioniq Electric with the 28kWh battery pack. This is a UK spec car with a heat pump.
Most front wheel drive electric cars are the same or very similar. They have an electric motor, reduction gearbox, power electronics, ECUs, cooling and braking systems up front, with the traction battery traction under the floor. The high voltage battery is mounted under the passenger compartment floor, so it sits between the axles in the passenger safety cell.
To see other Hyundai Ioniq EV videos, see the playlist https://youtube.com/playlist?list=PLW0oq-rvufntC8Qk6ONQjJ7nncwqhp9LL
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Timestamps/chapters
00:00 Introduction
00:35 Looking underneath
04:20 Why a 12V battery?
05:22 Cooling system
06:20 The motor stack
06:55 Inverter (EPCU)
07:50 Charger (OBC)
08:40 AC & heat pump
09:14 Brakes & regen
10:07 Fuse box
10:23 All you’ll touch
10:36 Air conditioning regas
12:29 12V battery spec
13:45 HV battery underneath
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