Answer / a.p.nanjappa

generally 1.5xIn,as for manufacturer selection guide table.

Answer / a.p.nanjappa

generally, 150 % of current rating of contactor or
contactor selection guide.

Please explain me abt PQ diagaram in the power sector.

0 Answers  

---

how can we minimize the off load losses of a distribution transformer which is required to be energized 24x7 ?? capacity of the T/F is 1250 KVA and off load losses are around 2.0 KW.. can we use capacitor bank at the secondary of such a T/F to overcome off load losses? please elaborate briefly...thanks

2 Answers  

---

How can I communicate with an Areva MiCOM P121 relay by RS485 port? In other word, which command can I send and what information can I have recieved? please send some refrences, please. thanks

3 Answers  

---

please, Send me last technical test question paper in my email id..

0 Answers  

---

what happen ,if generator will generate leading power factor?

6 Answers   CD, NTPC,

---

why knee point voltage should be high in Ct for differential protection

1 Answers   NTPC,

---

rating of ups??

1 Answers  

---

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

0 Answers  

---

what is ratio test?

1 Answers  

---

What are the tests to be taken on a transformer and generator?

12 Answers   Honeywell,

---

In a closed circuit if two 5volt power supplier are connected in parrel what is the current direction in tihs circuit?

1 Answers  

---

what is meant by surge? what we called for high currents?

0 Answers  

---