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How to Calculate the Fault Level of Electrical Installation
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?
What are the basic component of a cro?
Explain Even and Odd signals?
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
how much cable size required for 70 kilowatt load.
What is Instantaneous Earth fault relay,how will work
which type of effect of turbine and generator reverse power protection ?
What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
whats the application of voltage regulation? and whats the voltage regulation's device?
how to carried out tan delta test in 11 KV alternator ?
how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)
In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?
