Why Do 3-Phase Motors Change Direction if Phases Are Swapped?
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Why Do 3-Phase Motors Change Direction if Phases Are Swapped?
22 089 просмотров · 3 года назад
eFIXX
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22 089 просмотров · 3 года назад
Have you ever seen a three-phase motor change direction when the phases are swapped?
It can be confusing, but it's actually quite simple when you understand how induction motors work. In this video, we'll look at the principle of rotating magnetic fields and explore why 3-phase motors reverse rotation when the phases are swapped.
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00:00 Why do three-phase motors change direction by swapping phases?
00:51 How does a three-phase motor construction
02:06 Understanding the three-phase waveform and current flow
03:20 Magnetic field direction
05:05 The rotating magnetic field
05:41 Squirrel cage
06:27 The answer!
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