Answer / ram

lighting transformer is used in system as energy efficiency
measure.
the secondary is provided with various taps lowering the
primary voltage. e.g. 430/420, 415, 410, 405.

Answer / guest

lighting transformer is used to limit the short circuit
current of the bus by varying the transformer impedance.

for a 5hp motor to operate from 100kva generator ,what size of cable required in sqmm.

2 Answers   DSC, Indraprastha Gas Limited IGL, UltraTech,

---

what are smoke detectors ?

4 Answers   Indian Military Services,

---

how is the incoming cable size calculated for a given current rating of a panel??

0 Answers  

---

Which oil is used in Transformer?

6 Answers  

---

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

0 Answers   APGenco,

---

---

why we use battery source for current transformer polarity testing?

2 Answers  

---

is starting current of induction is high or stating current of ransformor is hign ,for the same rating

12 Answers   BARC,

---

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

---

why transformers rating are in KVA

5 Answers  

---

what is the formulae for selcting capacitor bank to increas pf

4 Answers  

---

What is the avergae difference between OTI and WTI for EHV Power transformer?

7 Answers  

---

in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

0 Answers  

---