Answer / s.madhavan

Thumb rule : KVA X 1.4 = Full load current/ per phase @ 0.8 p.f

Answer / mallikarjun

I=KW/SQRT3*V*0.08

Answer / heamkumar

I = KVA / (sqrt 3 * Voltage)

Answer / k.gurusamy

P=√3*V*I*0.8
P in KW
V=415V
I=?
ANS:
P=1.732*415*I*0.8
KW =575.024*I
KW/575.024=I
I=(0.00174*KW) AMPERE

how does an encoder work???

0 Answers  

---

How to calculate the value of capacitance of a capacitor used in power factor improvement plant if we know KVAR and voltages?

1 Answers  

---

DOES A MAGNETIC CIRCUIT CONSUMES ENERGY? IF YES, WHY?

6 Answers  

---

what are the differences between MCB and MCCB ?

19 Answers   Bhel, DLF, Omax,

---

PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

0 Answers  

---

what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

---

pls tell me function of closing coil of A.C.B.

0 Answers  

---

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

0 Answers   PNG Power,

---

WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

2 Answers   CESC, Power Grid,

---

ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

---

comparision between mcb,mccb,elcb,flcb,elcb in details

0 Answers   ABB,

---

how to calculate the ac and dc wire losses with calculations plz tell me

3 Answers   Apollo,

---