1
$\begingroup$

The electric motor nameplate (pictured) has a variety of different voltage configurations which are listed. I understand that the motor can be configured to run on different voltages by changing the way the windings are connected. The different voltage configurations are as follows:

  • 690 VY - Wye (windings see 400V)
  • 400 VD - Delta (windings see 400V)
  • 660 VY - Wye (windings see 380V)
  • 380 VD - Delta (windings see 380V)
  • 415 VD - Delta (windings see 415V)
  • 460 VD - Delta (windings see 460V)

For all of these configurations, the windings see between 380 - 460 V, or 1.33 - 2.33 A. So it makes sense that it can be configured in this way. However, the buildings and facilities that I am familiar with -working in- usually have 3 phase available at 240/415, or 230/400.

So my question is: in what parts of the world (or in what industries) have some of these alternative voltages? e.g. where do they use 3-phase at 380/660, or 400/690? Also where does 460 V come from?

Motor name plate

Improve this question
$\endgroup$
2
  • $\begingroup$ Have you considered how you measure the voltage? max value or rms? $\endgroup$
    – Solar Mike
    Jul 20 at 5:51
  • $\begingroup$ @SolarMike I haven't considered that. How do you think that affects things? $\endgroup$
    – hamslice
    Jul 20 at 7:09

0

Reset to default

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.