Answer / meenakshi

high , medium and low voltage switchgears as far as i know

Answer / santosh kumar

I think types of switchgears should be define as per two
things.1st Useing of di-electic i.e Air,Vacume,Oil etc.
2nd operational i.e Tharmal, magnatic etc.

Answer / @a.mustaq ahamed

switch gears

Answer / izhar hmed

Switch gears are classified according to the media used foe arc quenching ,so according to the media Air,Gas(sf6 etc),Oil and Vacuum .

how to choose the cable size for 100A(is there any formula please update)

6 Answers  

---

Waht will happened if reactive power increase in the line? waht about active power increase too?

3 Answers  

---

In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

0 Answers  

---

In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

0 Answers  

---

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

0 Answers  

---

1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

---

Explain Continuous and Discrete signals?

0 Answers   UOG,

---

What happened when a three phase induction motor work on two phase supply.9

6 Answers  

---

How can we prevent the (Home)inverter supply flow to the main supply line?

1 Answers   L&T,

---

what is the difference between ac and dc?

1 Answers  

---

why PD testing for power cables

1 Answers   Bhushan Power Steel, CSE, Datre Corporation,

---

difference between turns ratio and transformation ratio?

2 Answers  

---