Answer Posted / mahesh sali
As per IEC std. Low voltage fault have decide as below
mentioned ranges.
For 50 KA / 65 KA at 1 or 3 sec.
for cal Fault current KA - ( KVAsc/ %sub transient
reactance ) *100
thanks
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What are n circles?
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
Explain Even and Odd signals?
What are dcs and plc?
What is deference between MCB & MCCB & ISOLATOR
Explain the purpose of inductor in an electric circuit?
What is the physical significant of power factor?
what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?
v/f drive basic princeple
How to calculat the ratio of HT\LT in energy meter
I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??
What is the function of attenuator in cro?
IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.
Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
