Answer / harikrishna

it is used at the main substation areas used it is saftey
purpose high current istanasus fauilt hih volatage triping

Answer / venkatesh sk

it is used for low tension air circuit function groud
fauilt high current istanasus fauilt hih volatage triping

how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

3 Answers  

---

What is meant by Active and reactive power?

8 Answers   Micron Electricals, SVIT,

---

what is the difference between torque induced and torque load?compare them with respect to dc motor?

0 Answers  

---

Why voltmeter is not connected in seris & ammeter connected in parallel ?

5 Answers  

---

what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

0 Answers  

---

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

0 Answers   IOCL,

---

Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

0 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  

---

Why Cables are always circular and not square or rectangular?

3 Answers  

---

what is saturation in transformer

9 Answers   Essar,

---

why we generate 11kv power supply in generating station?

1 Answers   DBG, NTPC,

---

WHAT ARE THE DATAS REQUIRED FOR SCS SIGNAL LIST PREPARATION?

1 Answers   L&T,

---