Answer / mahendran

KVA=ROOT3*V*I/1000

I=KVA*1000/ROOT3*V

25*1000/1.732*420

I =34.6

SAME FOR ALL

Answer / nobz

for 25kva,i=25000/440=56.8A
similarly you can calculate for any rated kva.

How to calculate the sag of OPGW during stringing???

0 Answers  

---

What is EHT tariff or Power factor Tariff ????

0 Answers   KSEB,

---

Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

1 Answers  

---

How to discharge the battery as quickly as possible ?

1 Answers  

---

why ct mensioned 0.5/5p20 plese any reply to me

2 Answers  

---

A 100 MVA transformer may be cooled with?

6 Answers   HCL,

---

in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

---

How does and Earth Fault Relay operates in DG set control panel?

1 Answers   Cummins, University,

---

What is a roll of a adopter pannel in buscoupler pannel????

2 Answers  

---

Why we did not feel electric shock in electric train?

1 Answers   NTPC,

---

length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

---

motor is 12.5hp after starting few minets motot get hot? why?

5 Answers  

---