In protection core of a C.T. why Knee pont voltage is greater than SLV and in metering its viceversa?
2 4639In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440
6 14706Post New Electrical Engineering Questions
IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?
Classify milling machines.
Why auxiliary transformers are not connected in parallel in primary stations?
how the works electronic energy meter?
1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks
why electron produce magnetic field when it is in motion?
how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw
how does grading rings & spacers in transmission line works? Working Principle?
How to select a cable size for particular load?
How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?
what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure
Why colled 440V to 3-phase supply.
What is the actual calculation for transformer short circuit test?.