Why we are use dol starter up to 10 hp
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for high freq ac,why we first convert AC to DC and then DC to high freq.AC
in india why we not use frequency above 50 hz for distrubuting power ?
how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable
active elements are those which are capable of
what is the difference between neutral and earth????
why current is constant on d.c?
can transformer work on dc or not?if we increase the inductance of transformer can it happen to work on dc?
In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?
In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.
what is difference b/w earth and ground?
What is the difference between Ac curent & DC current
What are the advantages and disadvantages of negative feed back?