Answer / somu0507

Transformer tap changer is placed at HT side. Following are major advantages:
1- Finer (smoother) voltage variation for per turn tap changing.
2- Lower current to handle than LT side.

Squirrel cage induction motor has constant A slip B stator current C rotor resistance D speed at all load

1 Answers  

---

i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

---

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 Answers  

---

When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

---

In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

4 Answers   TATA,

---

What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

---

what is NGR in generator?

4 Answers  

---

What is IDMT relay how it works.

3 Answers   Electrotherm, Sulzer,

---

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

0 Answers  

---

what are the limitations to use 33kv ac in industries?

0 Answers  

---

what is the pressure in side transformer under normal condition?

1 Answers  

---

what are the types of 3-ph. generator protection

2 Answers  

---