Answer / ankit trivedi

TO SELECT PROPER BUSBAR WE SHOULD KNOW THE LOAD CURRENT &
CROSS-SECTION AREA OF THE MATERIAL WHICH IS GOING TO BE
USED. IE CU OR AL.

I.e A CU. BUSBAR OF 25x6 Sq.mm. WILL CARRY THE CURRENT AS
BELOW

25X6 = 150 (cross section area)
150X1.6 =240A
THE BUS BAR OF 25X6mm. WILL CARRY 240A CURRENT, WHERE 1.6
IS GLOBLE SAFTY FACTOR.

Answer / a.mishra

For Cu Bus-bar:- 1.1 amps/sq.mm
For Al Bus-bar:- 0.6 amps/sq.mm

how capacitor control the power factor/

2 Answers   ABB, Apollo,

---

the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

---

Explain what is electric traction?

0 Answers  

---

what is means of ALF,kPV(min),lexc(max)at Vk,Rct@75 degree centrigate ohm in current transformer name plate?

2 Answers  

---

Find the octal equivalent for the binary number 101101110

1 Answers   Ecil,

---

---

what is the maximum current rating in india for home?

3 Answers  

---

why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 Answers  

---

DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

---

what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

---

In case of dc circuit Whether dc current will pass through capacitor after it gets charged?

2 Answers  

---

a governer in an Ic engine controls the

0 Answers   Caterpillar,

---

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

---