Answer / k.prakashchandra

VA means volt ampere & it can not be equal to current in
amp. If the supply system and KVA are made known ,current
can be calculated.Generally in plants, as the system of
supply is constant ,this practice of converting KVA into
amps is followed.

Answer / shivam sahay soni

1kva=1.39amp
if load p3 is 0.8
so 1kva=1.732*volt*amp*0.8

what will happen, if both relay contact has live supply, and coil of relay activated

1 Answers   AVS,

---

How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

0 Answers  

---

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

0 Answers  

---

How to make vector group test of transformer?

2 Answers  

---

why using transformer and thyristor switch in 3 phase apfc panel

0 Answers   Reliance,

---

Could anyone clarify my wondering. What is the difference between knee point voltage and saturation voltage of the CT. Is their any formula to calculate these values?

2 Answers  

---

why battery is connected in parallel ?

7 Answers  

---

what u meant by shock ? whether it depends on voltage or current

12 Answers  

---

how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 Answers  

---

why does a dc machine has high efficiency while working as a generator than as a motor ..

0 Answers  

---

How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

7 Answers   Siemens,

---

what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

2 Answers   Sanelec,

---