Answer Posted / vijaya kumar.m
HVDC always used in long(>400Kms) power transmission for
ecanimically point of view.
In DC transmission we have to 02 no's of wires used
and AC transmission we have to use 03 or more wires are
used
and loses are low compare to ac transmission
no CU losses in DC trans.
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??
Is there chopping current in resistive circuit
cc of scorpio?
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//
When color of silica gel will gets change from blue to pink from Top to bottom?
what type of earthing do for dry fissure rock?
tell me some type of questions throught which i can prepare for exam and do my best
How can calculate the rating of a alternator for a given specific load with formula
What is the function of interposing current transformer?
I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.
What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.