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| Teaching Since: | Apr 2017 |
| Last Sign in: | 453 Weeks Ago, 3 Days Ago |
| Questions Answered: | 402 |
| Tutorials Posted: | 401 |
MSC,MBA(IT)
Standford
Jun-1997 - Sep-2000
IT Manager
Honeywell
Aug-2001 - Present
5. (a)Obtain the equivalent circuit of a 200/400V,50Hz,single phase transformer from the following test data: OC test: 200V,0.7A,70W on LV side SC test: 15V,10A,85W on HV side (10) (b)With the help of circuit diagrams, explain any two types of three phase transformer connections6. Find the all day efficiency of a 500kVA, distribution transformer whose iron loss and full load copper loss are 1.5kW and 6kW respectively. In a day it is loaded as follows: Duration(Hi) Output(Po) in kW Power factor(cosØ2) 6 400 0.8 10 300 0.75 4 100 0.8 4 0for complete question:http://i.imgur.com/QMNYLjA.png
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