what the purpose of data retrivala panel in substation
its a panel used to retrive digital and analog values from
different relays . so we can view the values and change the
settings too. Commands can also be send from a remote
station inorder to activate the CB. If a SCADA software is
installed in the PC ,then continus viewin of data is
possible as it keeps pollin data after every second
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This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.
what is reverse power relay brief explanation and in b/w where it is connected
WHAT IS DIFFERENCE BETWEEN PHASE CONVERTER AND VFD
2 electric bulbs of 100w,200V are put in series & the combination of each bulb is supplied to 100 V . the power consumption of each bulb will be????????
why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?
6 Answers Accenture, Bhel, Reliance,
pf of synchronius motor is unity, is it axact(=one) value. ?
What is the function of trip neutral close switch?
what is meant by motor protection relay & its working principle ?k
HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????
Why the field rheostat is adjusted such that the voltmeter reads 380V
in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?
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