How to do the REF Stability test for power transformers in Site?

1 Answers   Escorts, Siemens,

---

1. What are the types of Transformer?

1 Answers   Valdel,

---

Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

2 Answers  

---

How to calculate cable size in HT AND LT

0 Answers   Apollo, JSKE,

---

Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 Answers  

---

why we ground the scondary of current transformer.

4 Answers  

---

what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

5 Answers   Reliance,

---

In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some speed motor getting vey vibrations what is the problem

2 Answers   ITC Infotech,

---

How to design pavement quality concrete by using C.R.C.P Method

0 Answers   L&T,

---

Transformer diagram mention each parts ?

0 Answers  

---

Vaccum circuit breaker

0 Answers  

---

why the generator operating along with the infinte bus bar should never be under_excited?

1 Answers  

---