Now please, folks, this is not the car you drive every day. If you really want to be silly, then please leave this space. This is for serious and interested readers only. This is a brief guide for those who need some indication on how toshiba motor drives are likely to work. This brief overview could also very easily apply to other alternative makes and their models.
The drives in question are also known as variable frequency drives. They are also known as inverters. And they you have your AC drives. These will be converting from AC to DC. They then use a range of different switching techniques. These generate variable voltage and frequency outputs. These are necessary in order to drive the motor in the first place.
An adjustable speed drive is used. This also refers to variable speed drives as well as variable frequency drives. When electricity is being used to power these drives, reference will be made to the frequency converter circuitry. The motor speed drive’s speed will be judged by its number of poles as well as its frequency. When frequency can be adjusted, motor speed can be as well.
This is usually done by way of what is known as pulse width modulation. The commonly used acronym in this regard is PWM. The PWM drive will be sending pulse inputs to the motor and it will be modulating its pulse width as well. Increases or decreases in average DC voltages will be read by the motor.
And then there is talk of regenerative braking, also abbreviated to regen braking. And yes, smart readers, this does all refer to the driving of a motor car. The other readers, you can now come back inside and read this note.