Answer / thangapattu

Befour we should note down the full load of current (rated
current value) Ex-400kva UBS =105A/630a*100
where
105A=currentValue in particular time
630A= Rated Current Value For UBS
= 16% is the percentage load Of UBS

what is reactive power?, why its measured in VA ? is it transient behavior of system?

0 Answers  

---

what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

0 Answers  

---

why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

---

1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

0 Answers   ABC,

---

What is a copper loss or i2r loss pc?

0 Answers  

---

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,

---

how to changeover ups in this power failur time?

0 Answers   Essar,

---

Write a note on materials used as a fuse element.

0 Answers   Bhel,

---

what is use of starter motor in DG ?

2 Answers  

---

hii.i am a B.TECH(EEE) graduate.i want 2 know wat type of qusns r asked in sbi clerk interview 2 candidates like me??kindly post answers ASAP..

1 Answers  

---

What it indicates by 25/41MVA on transformer?

4 Answers  

---

what is the effect of power factor on DG supply,i mean to say what will the effect if we add capactors on dg supply.

4 Answers   HCL,

---