Answer / guest

by its elctrical device number(ANSI number).
ex. 1) 21 - distance protn.
2) 87B - busbar differential protn.
3) 87T - trafo. differential protn.
4) 64N - ref

What are the types of transformers according to the arrangement of iron cores?

0 Answers  

---

Why we are going for converter transformers for DC drives application instead of distribution transformer?

0 Answers  

---

relation between power station capacity and voltage level?

0 Answers  

---

what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

---

what is the difference between Earthing,Grounding and neutral?

3 Answers   Biocon, Tata Steel Limited,

---

what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 Answers  

---

reason of diode failure in alternator

0 Answers   adag,

---

WHAT IS THE USE OF EARTH SWITCHES?

3 Answers   L&T,

---

1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers   L&T,

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

what about GD square and its important for motor design?

0 Answers   Innovis, MNC,

---

why dc measurements are noted in mc whereas it is mi in ac measurements?

1 Answers  

---