Answer / deepakindi1

same as u do in for any 3 phase circuits

ie KW=sqrt(3)*V*I*cos(@)

WKT cos(@)=KW/KVA

SO KW/cos(@)=KVA

KVA=sqrt(3)*V*I

I=KVA/sqrt(3)*V

FOR EXAMPLE CONSIDER 11KV/440V 100KVA TRANSFORMER
AT PRIMARY
I=100/sqrt(3)*11
I=100/(1.732*11)
I=5.24A

AT SECONDARY I=100/sqrt(3)*.44
I=100/(1.732*.44)
I=131.24A

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

0 Answers  

---

What is class 2 coordination ?

2 Answers  

---

HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?

0 Answers   TATA,

---

I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

---

What happened If 3phase supply connected to slip ring side of slipring induction motor ?

2 Answers  

---

what is stray capacitance?

1 Answers  

---

WHAT TYPES OF OIL(STRUCTURE) ARE USED IN POWER TRANSFORMER INSULATION?

4 Answers  

---

What are the complete specifications of a motor?.

2 Answers   RRB,

---

what is power frequency withstand and impulse withstand of a circuit breaker?

2 Answers   Power Grid,

---

why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

---

What is the function of under voltage release ?

0 Answers  

---

what is the full form of MEMO? name of memo train.

6 Answers   BirlaSoft,

---