Answer / aditya199307@gmail.com

For weather condition protection we will use various thing for indoor machines there is no need but for outdoor ie:-
for transformer we use LA
For motor & Generator we use Canopy
In summer time we use cooling arrangement for substation for CT & PT units.

how do i calculate voltage drop-if length is 1000 meter,amps is 160a

1 Answers  

---

Mechanism of Wye Delta Starter?

2 Answers   ABB,

---

How will be the single line diagram of series trip HT breaker? how it works?

0 Answers   HAL,

---

What is force on parallel conductors ?

0 Answers  

---

what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

0 Answers  

---

---

if sf6 gas low in gis what will happen

0 Answers  

---

Can someone explain how does an IDMT relay works.

1 Answers   AFM,

---

in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

2 Answers   Shell,

---

What are protection of power transformer?

1 Answers  

---

Can we operate a DG Set in paralell with Transformer ?

6 Answers   NDDB, Sobha Developers,

---

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

---

I Have 100Ah battery with 650VA Inverter, i WANT TO TAKE a Solar panel to charge my battery, so please suggest me,what rating of solar panel(with solar charge controller) can buy for a load of 450w for 4 hours

1 Answers   Chevron,

---