Answer / ta

for above ans Mr.Aree Dewan you are out of the question

Answer / aree dewan

coz in telecom sector ac is always ground wheras dc is used
for battery bank as well as for BTS sector..

Graphs of measuring power and speed on dc motor

0 Answers  

---

why generator is design for lagging P.F(power factor)?

3 Answers   BSES,

---

what is power factor

5 Answers   Exide,

---

what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

0 Answers   Bhel,

---

transformer is connected with 50hz and 60hz at same rating which will give more output on same rating

2 Answers   Palace Consultant,

---

1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

---

How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

---

how set earth fault over current in relay

5 Answers   Jacobs, Reliance,

---

How many earthings are provided for a 250KVA distribution transformer?

9 Answers  

---

For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

4 Answers   Piramal Glass Limited,

---

1) Why distributiion system decided 11 kv, 33 kv, 66 kv, 132 kv, 220 kv, 400 kv, 2) In 3 Phase line terminal of capacitor, why used for power factor improvement. 3) Why used rating KVA in transformer?

1 Answers  

---

What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements? Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?

0 Answers  

---