Answer / k.prakashchandra

Fixed polarities

How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

6 Answers   ABB,

---

why electron flow is opposite to current flow?

3 Answers  

---

Why the underground cables will Punchar? or what is the reason to burst the underground cables?

1 Answers  

---

What is thresh hold value of current?

0 Answers  

---

how and why are capacitors are used to improve powerfactor?

4 Answers  

---

What is transister , thermister , thyrister? what is its function? where this using?

1 Answers  

---

what are effects of harmonics in the three phase a.c power system ?

2 Answers   AIIMS,

---

WHY THE +VE POLARITY OF 48V DC POWER SUPPLY IS USUALLY GROUNDED?

1 Answers   Tulip,

---

AC SUPPLY HAVING 230 V FREQUENCY REDUCED ZERO IF MEN TACUCHES THE SUPPLY WEATHER HE GETS SHOCK OR NOT?

8 Answers  

---

Why colled 440V to 3-phase supply.

0 Answers  

---

What is metering cubical? What is the use?

2 Answers   HSL,

---

what is the RESTART INHIBIT protection?

1 Answers   Thermax,

---