Maximum efficiency occurs in electrical machines is at i)Full
load,ii)50% of full load,iii)Near full load,iv)None of these
what is the basic differnce between ground and earth
Give 3 phase transformer connections for 24 pulse rectifier using thyristors.
what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?
WHY PROTECTION CT IS USED NEXT TO METERING CT?
What are the factor to be consider for CT selection in 132kV substation?
what is the procedure for erection of a transformer
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
how much load should be given on 5 mva transformer
7 Answers NTPC, OHPC, Power Grid,
11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
what is the maximum demand how it is defined
what is the voltage equation of 240/12 v transformer??
we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .
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