Answer / Devendra Kumar Tripathi

The transformer rush current, also known as the magnetizing current (Im) or no-load current, is the current that flows through a transformer when it's energized but not supplying any load. It's caused by the interaction of the magnetic fields in the primary and secondary windings.

what is the difference between interconnection and intraconnections in the circuit diagrams

1 Answers   NTPC,

---

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

1 Answers  

---

can we use ELCB and RCBO in one db

6 Answers  

---

why slipring motor , at full speed run as squirrel cage motor?

1 Answers  

---

what are the available sizes of pin type terminal lugs in the market today?

1 Answers  

---

ct connection of energy meter

1 Answers  

---

How to Convert horsepower to kva? what is the three phase formula? email me if u know thanks Rehan smileavail@msn.com

3 Answers  

---

1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

---

What is GIS Substation and how it operate? where these type of substation installed?

8 Answers   Power Grid,

---

State the points to be considered for selecting a particular type wiring.

1 Answers  

---

HOW TO CALCULATE CT AND VT RATIO IN PRTECTION AND METERING?

1 Answers   College School Exams Tests, L&T,

---

What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

---