we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?
IGC,
1537What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?
1491How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?
1454Post New Electrical Engineering Questions
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
what is the difference between c power and U power acb breaker
How to know th details about an electrical Drawing ? Please mention the easy method.
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
how can decide the current rating of oltc
Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
How maesure earth neutral value & how much maximum value value required in between earth & neutral.
how to calculate fuse rating for a motor
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
What are high pass filter and low pass filter? and What are the flowmeter ?
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2