we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?
If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?1 203
Earth has zero potential then what would be the neutral potential ?
What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?111
How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?84
What is the maximum and minimum rating of UPS?101
Which test will be more severe for VCB?
how current is reverse from its normal direction during the fault?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
HOW WORK HEAT PLATE EXCHANGER
upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
What do you mean by cogeneration? What its working principle?
why booster transformer is used in sumpners test conducted on transformer????
Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings
if i am in front of transmission line how to know that current direction without any equipment
What is the difference between Delta & Wye windings?
How to find ampere on ht side for selection of cable size ???
Can RCD's used to protect the VVVF drive if not why.
What is difference between Over Current & Earth Fault protection?
What is the real function of reverse power relay in generator panel while syncronising?
what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth