what is different between 51N and 51G functions relay?
Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.
Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?
what is the use of buchzloys relay?
What is a feedback in control system?
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
why using transformer and thyristor switch in 3 phase apfc panel
I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA
For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses
when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?
How power factor of electric system improved?
howmany types of compresor is there? and how to calculate compresor capacity?
Define active and passive network?
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