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.

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2 Answers   Focus,

---

Define stepper motor. What is the use of stepper motor?

0 Answers  

---

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

0 Answers  

---

Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

---

Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

0 Answers  

---

---

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

0 Answers   Nalco, NTPC,

---

How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers  

---

explain the Trip supervision circuit

0 Answers   NCC,

---

how many types control panel of a 132/33 kv substation

0 Answers   Alstom,

---

how wecalculate breaking capcity of acb mcb mccb .explain with example

0 Answers   C&S, L&T,

---

srij i need the relationship b/w KW AND KWH and with an electrical example. plz send if u can?

4 Answers  

---

How are harmonics produced in AC machines?

4 Answers  

---