Answer / deepak

For Voltage, it is +/- 10% &
For Frequence +/- 5%

Answer / gunasekaran

for voltage +or-10%
for frequency +or-3%

Answer / srinivas karthik

Operating frequency is 50Hz and voltage would fall in
different ranges viz. for house hold purpose 220 volts and
industrial purpose 415 volts to 440 kv.

Answer / ashok mishra

Voltage: +/- 6%
frequency: +/-3%


sddiet barwala

Answer / ravi

frequency is 50Hz with +3% to -5% variation.
volatge variation is 10%
combined voltage and frequency variation is 10%

Answer / pavan sukode

for voltage it's +/- 10%
n for freq its+/- 5%

Answer / george

frequency band specified by Indian Electricity Grid Code (IEGC) is 49.5 Hz to 50.2

Answer / manoj yadav

voltage - 440 (+/- 10% )
frequency - 50 HZ (+/- 3%)

Answer / anuj sharma

Up to 650 volt-. +/-6%
650 to33kv +/-9%
Above 33kv +/-12.5%
Frequency +/-5%

Answer / praveen juturu

Voltage: +/- 6v
frequency : +/- 0.55

WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 Answers  

Why transformer, generator, ups rating kva?

2 Answers  

what is direct dischage of power transformer

1 Answers  

what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 Answers  

1hp single phase load = howmuch 3 phase load

0 Answers  

why in some cases the receiving end voltage is higher than the sending end voltage in transmission line (called 'Ferranti effect') ????? whts the reason behind tht???

3 Answers  

prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

0 Answers  

How Flywheel run in DG set, tell in details

1 Answers   Sambhav, TATA,

How to connected to energy meter, pt, ct, ammeter, voltmeter and selector switch.

1 Answers   Omplas,

bus bar design conditions and sizing pls tell me quickly

0 Answers  

what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

7 Answers   ONGC,