Answer / iftikhar

we use star delta starter because in starting motor taking
a larg current therefor first we connect the motor in
star,because in star the phase vtg is reduced ,therefore
the starting current is also reduced

Answer / krish

in order to simplify the cumbersome circuits..... when ever
we need.

How to calculate PF capactors for a connected load?

2 Answers   FD, Power World,

---

What is the deffirant between EARTH, GROUND AND NUTRAL

4 Answers  

---

How much must be gape bitween 2 cable on cable tray?

1 Answers   El Seif,

---

how we can calcultae the short circuit level for bus bar

0 Answers   Jaiprakash, Panorama Apparels,

---

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

0 Answers   ABB, APL,

---

how do you reduce the skin effect

2 Answers  

---

Type of cable insulation?

3 Answers   Essar,

---

Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you

2 Answers  

---

why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 Answers  

---

In Railway,why we are used HT Line 25KV ?.why we are not used 11KV,33KV and others for This?

37 Answers   Airtel, BSNL, RRB,

---

why neutral is required in electrical system

3 Answers   Bhel,

---

Why frequency fix in 50 Hz?

6 Answers  

---