in single phase we get 220 volt and in three phase 4420 v why this second Ques= in case three phase star conection our neutrul becom disconect what happan 3 Q=== a three phase house load and have unbalce load on different pahse diffrent current eg phase a 7A b 8A c 5A and voltage is 440 than how calculate it total load in kw pl give formula thanks

8 Answers  

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What is maximum AC & DC transmission voltage in India? and where?

12 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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What technology is used in latest generators?

0 Answers   IBC,

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RESISTONS R1 AND R2 in parallel = Total R.? 1-R=R1+R2 2-R=1/R1 + 1/R2 3-1/R + R1+R2 R=R1R2/R1+R2 select one

2 Answers   BSNL, PGVCL Paschim Gujarat Vij Company Limited, TCS, Wartsila,

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What is stacking factor? What is its approximate value?

0 Answers  

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how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

0 Answers  

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if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

0 Answers   NCC,

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how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?

4 Answers   AAA, Iqra University,

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how can we convert 48V dc into 12 V dc? Any standard device for it??

2 Answers  

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What is the mechanism of WTI

0 Answers   JBS,

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What are the advantages and disadvantages of the dc motors?

0 Answers  

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