how much earthings are mendatory at a 25kva sub station?
Answer Posted / niki
In 25 kva s.s. only 1.1 MVA fault level so , we should use oonly 2 earthing pit. One for body grnd and neutral grng.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
If breaker is undefined position, first step to do.
What are the advantages of autotransformer?
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
Define what is power quality meter ?
How phase displacement change in the over current relay coils.
Why arc quenching is used in Diode ?
Is a d.c.compound motor is use as a booster? how?
HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com
What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?
How to calculate cable size in HT AND LT
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
work of choke in florocent tube circuit ?
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?
How many capacitors using in LT panel as per Govt rules?