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Answer / sewagudde
the automatic voltage regulator (AVR) senses changes in
voltage and sends a signal to the controller on the tap
changer to either raise or lower the tap.it should be noted
that the tap changer is always located on the HV side of
the transformer inorder to interrupt smaller currents as
compared to the LV side
|Is This Answer Correct ?||11 Yes||0 No|
Answer / debasis
There is controler which sence the voltage & give command
to a stepper motor that how many step(s) & what direction
have to go for achiving the required voltage.
And the changeover held inside a oil chamber to avoid
|Is This Answer Correct ?||4 Yes||3 No|
In an alternator running with a balanced zero p.f. lagging load, phase differernc between the resultant armature flux and main field flux is always____? options is 180 degree....why?? explain.
How is magnetic leakage reduced?
what is the highest transmission voltage in India till now?
which will glow brighter?bulb 1 (110v,100w) and bulb 2 (230v.200w) series connection
what sq.mm copper pvc wire need for ac load current 25amps for 230v ?
where is the primary of CT??
What is relation bet kvar & microfarad
sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on firstname.lastname@example.org
what is diffrence between primary & secondry transformer?
what is earthing
can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.
1 sq mm conductor=? how many amps