Whet is IGBT.How it teste
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I HAVE 2 nO'S OF SYSTEMS, HOW MUCH UPS CAPACITY REQUIRED ALONG WITH 400WATTS ANOTHER LOAD? PLEASE GIVE THE FORMULA?
why leading pf indicates a negative sign???
What is mean by STUB protection?
What is the field weakening mode of a ac motor?
what is the stear deltaprinceple?
?? how to calculate lighting system ????
how to calculate voltage regulation?
why we usually call 415 volts instead of 440 volts
How instantanious short circuit current is calculated? its formula?
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?
in dc transmission the frequency pi is zero, then how it will transmit communication signal?
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