Answer / pswin

Visit google search engine typing 'star delta ckt' and search.
Make sure u select the 'Images' option. There 9th pict is power
circuit and 10th is control circuit for star/delta starter.

how kva rating of transformer is calculated.

6 Answers   Fluor Daniel, Siemens,

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specify the inbuilt protections in DG

0 Answers  

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1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

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what should be the no load current of an induction motor

2 Answers  

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

0 Answers   MPSEB,

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we have two 11/.433 kv. distribution Transformer rating as 1000 kva & 500 kva , i wants to run parallel both transformer. both transformer impendence voltage is 5.24%, How can we run both t/f, & how sharing the load

3 Answers  

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How to calculate fault level of 11 KV system

0 Answers  

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why earth hole size is biggest in socket point.

5 Answers  

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details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

0 Answers  

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

6 Answers   DLF,

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What's voltage?

1 Answers   Pakistan Atomic Energy Commission PAEC,

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