What is stacking factor? What is its approximate value?
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what are RCBO ?
What is the difference between Generator Differential Relay and Transformer Differential Relay?
What is the magnetic field (coil DC ) of Turbo Expander?
What do you mean by an instrument transformer?
why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?
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application s to shunt coil
What is required of exietation to the alternater.
Why to keep capacitor bank off while generator running.
Why don't we use ground free electricity to avoid electric shock.As birds are do not get shock.
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?