Output Devices

Measuring Power Consumption for a BLDC motor [Group Work]

Power consumption is measured in watts. We can find the power consumption of a device by measuring the ammount of current going through it multiplied by the voltage.

From the Benchtop Power Supply

The benchtop powersupply can display the current and voltage passing through its channels. I measured the power consumption of the BLDC motor with it.

For the lowest speed,(12), the power consumption was 0.20A at 12v. Therefore the power consumption was 2.4W

For the Highest speed,(140), the power consumption was 0.65A~0.70A at 12v. Therefore the power consumption was 8.4W

Power Consumption at ESC.write(12)
Power Consumption at ESC.write(140)

From Multimeter unit placed in Series

We placed a multimeter in Ammeter mode in series with my ESC and took the same readings to compare with the previous test.

For the lowest speed,(12), the power consumption was 0.212A at 12v. Therefore the power consumption was 2.54W

For the Highest speed,(140), the power consumption was 0.701 at 12v. Therefore the power consumption was 8.412W

Power Consumption at ESC.write(12)
Power Consumption at ESC.write(140)