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I have only found it used in the RC world.kV means 'RPM per Volt' , I've never quite worked out why this terminology prevails.
Why do you think that just because it is brushless it is less power dissipated?I have built the circuit board to control a brushed motor and it works (but throws to much heat- hence the switch to a brushless) So even if someone could point me to a schematic, I'll build the board for speed controlling a 12 volt 1500KV Brushless.
I thought brushed motor speed controllers wasted heat by dissipating electrical resistance and brushless motor controllers controlled speed by pulse modulation. Once again, my mistake there. OK so yes,I can look up a schematic and build a board for speed control , not worrying if it is brushed or brushless?Why do you think that just because it is brushless it is less power dissipated?
The motor is a little more efficient but the drive will dissipate close to the same power, maybe it was a design problem?
RC ESC usually run very high current/power for a brief period.
Max.
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Brushless motor controllers have PWM on the input (same as a servo etc - standard radio control stuff) & 3 phase variable frequency output.I thought brushed motor speed controllers wasted heat by dissipating electrical resistance and brushless motor controllers controlled speed by pulse modulation. Once again, my mistake there. OK so yes,I can look up a schematic and build a board for speed control , not worrying if it is brushed or brushless?