How to determine the short circuit current for breakers and
How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?
why there using acb enclosure in big buildings
is there any role of power factor with frequency variation? and how we can manage the frequency variation?
1.how many types of relays? 2.difference between ATS& STS?
What is basic fundamental for choosing NGR or NGT for any generator neutral grounding
What is C.T, why it is used and what care should be taken for that while connecting?
I have seen 1 video in which a person getting shock while standing at top of a train,i have 1 question? why the people sitting in the train doesn't get shock while that man getting shock from top of the train? How the earthing of train works?
WHY ARMAD USE IN CABLE
why electron produce magnetic field when it is in motion?
How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
Give me check-list for electrical preventive maintenance of machine tool.