WHEN I AM CONNECTIN TWO ELCB IN PARALLEL.ONE ELCB TRIPPED...HOW IT HAPPEND??

5 Answers  

---

What is EPBX????

3 Answers   Emerson,

---

Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

0 Answers   UltraTech,

---

What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

---

why PT transformer primary r the grounded?

2 Answers   L&T,

---

why current is denoted by I

7 Answers   CTS, GCT, Samtel,

---

why synchronization done in clockwise direction?

12 Answers   Hindalco, NTPC,

---

how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2 Answers  

---

I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

0 Answers  

---

why there is no current in the rotor body althrough the flux linking with it also get changes. why current only flows in windinds not in rotor

1 Answers   Vedanta,

---

Why does the radius of armature is less than the radius of pole shoe?

0 Answers   ABB,

---

WHY IS THE NO LOAD CURRENT SMALL FOR A TRANSFORMER COMPARED TO OTHER ROTATING ELECTRICAL MACHINES??

1 Answers  

---