EV owners - Car Tax

[John Brown]

Not

It was an Hyundai i20 which is NOT an EV, it did say EV in the program though. Dangerous things these ICE cars with volatile fuel.

This one, near Chesterfield.

View attachment 198686

Not another made-up EV fire story, surely?

I've heard that just knowing somebody who drives an EV makes you 4 times more likely to spontaneously combust.

 

[Crazy Dave]

One of those EV's bears little resemblance to the technology of a milkfloat or a scalectrix for that mater and is cramed with complex technology that has to monitor many parameters so unfortunately requires a box of sensors.

Really?
Maybe you could educate me by telling me what those sensors do then because there are no emissions.

 

[Spectric]

Maybe you could educate me by telling me what those sensors do then because there are no emissions.

It might be an EV with an electric motor but it is not like the motor on your woodworking machinery where you just turn the power on/off . These motors are three phase and driven by complex invertors using forms of vector control. You need to know the position of the rotor so you have position sensors, you need to know the stator currents so that you can control the torque as part of a three term control loop and will be monitoring temperature as a protective measure. You will also have a pedal sensor so the control system knows what speed you are requesting, sensors for battery management and charging, sensors that monitor the temperature of power switches in the drive controler, others to monitor transmission temperature and then you will have others that work in the regenerative braking system in conjunction with the ABS. You will also have sensors carried over from the ICE vehicle such as impact sensors to trigger airbags.

 

[Crazy Dave]

It might be an EV with an electric motor but it is not like the motor on your woodworking machinery where you just turn the power on/off . These motors are three phase and driven by complex invertors using forms of vector control. You need to know the position of the rotor so you have position sensors, you need to know the stator currents so that you can control the torque as part of a three term control loop and will be monitoring temperature as a protective measure. You will also have a pedal sensor so the control system knows what speed you are requesting, sensors for battery management and charging, sensors that monitor the temperature of power switches in the drive controler, others to monitor transmission temperature and then you will have others that work in the regenerative braking system in conjunction with the ABS. You will also have sensors carried over from the ICE vehicle such as impact sensors to trigger airbags.

But it doesn't have a knock sensor or a MAF, MAP or Lambda sensors or fuel rail pressure sensors or oil temperature or oil pressure sensor so that makes better.