Machine-translated by Google. Questions are authored in English.
Top

Discussion

The control platform of a modern drive is

  • A.an assembly of analogue operational amplifiers alone
  • B.a relay logic panel with contactors and timers
  • C.a mechanical governor coupled to the machine shaft
  • D.a digital signal processor or microcontroller

Answer: D

Current and speed loops, the modulator, the protection logic and the communications all run in software on one or two processors. That has made features such as sensorless control and adaptive tuning available at very little marginal cost.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.