howard d
Cast Iron
- Joined
- May 6, 2003
- Location
- Clinton, TN, USA
A dual voltage, 3ph, Y wound motor essentially has 2 sets of windings in parallel for low voltage (240). I thought maybe one set be used to start the motor and then energize the second set when it is up sync speed? I tried to start a 7 1/2 hp motor with 3 ph and it did not seem to work (rotor starts turning, very high current draw, and there is a lot of motor "rattle"). Did not try it on 1ph using start caps (as starting a RPC).
Thought this might be a good way to start large converter motors (40 hp and larger) without the large starting current. Can anyone comment on this?
Howard
Thought this might be a good way to start large converter motors (40 hp and larger) without the large starting current. Can anyone comment on this?
Howard