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Joined: 7-July 08
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Last Seen: 11th September 2008 - 08:26 AM
Local Time: Sep 3 2010, 04:53 PM
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11 Sep 2008
Hi all,
i'm dealing with lab experiment of squirrel cage induction motor for the purpose of educational training.im really not understand with this 2 types of machine as the spec below. MV1009-405 INDUCTION MOTOR SQUIRREL CAGE GENERAL DATA 50Hz 60Hz 4pole machine 1.1kw 1400 rpm 1.1kw 1700rpm star (Y) 380-415V, 3.0A 380-415V, 3.0A delta (D) 220-240V, 5.2A 220-240V, 5.2A moment inertia J= 0.0023kgm^2 MV1009-695 INDUCTION MOTOR SQUIRREL CAGE -same with MV1009-405 but for 380-415 3-phase delta.With this machine it is possible to do star/delta starts for 380-415 lab voltage my question is : wat is different between this 2 types? wat is different between the frequency for MV1009-405 machine? wat is different for star and delta for MV1009-405 machine? i really hope u can help me since i'm fresh graduate and dun have a lot of knowledge about electrical machine... thank you..
10 Jul 2008
I really need ur help to answer this question....
3. Reading of an 11kV 3 phase system at 100/5 CT secondary is 3A. If current is leading voltage by 30 degree, is power consumed or generated? How much? 4. Why neutral current is not zero in 3 phase 4 wire system? 5. Why does a test pen light up? 6. Will an unlighted flourescent lamp consume power if switched on? 7. Can 3 single phase generators be used to make 1 three phase generator? |
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Lo-Fi Version | Time is now: 3rd September 2010 - 04:53 PM |
