7/24/2019 Hvdc Two Marks
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HVDC TRANSMISSION
1. What is use of DC link?
2. What are the areas of ali!ation of DC trans"ission?
#. What are HVDC !on$erters?
%. What is s"oothin& rea!tors?'. What is RI noise?
(. What is "eant )* interferen!e?
+. What are the ro)le"s ,ith in-e!tion of har"oni!s?
. What are DC )reakers?
/. What is a VDCO0?
1. What are the sour!es of rea!ti$e o,er?
11. What are the "aterials use for DC line insulators? Ho, is
the erfor"an!e of insulators
e$aluate?
12. Ho, are line faults ete!te?1#. 0ist the !orona effe!ts in DC
line.
1%. Wh* are the rea!ti$e o,er !ontrols re3uire urin&
transients?
1'. State the ali!ation of DC )reakers.1(. What are the
!o"onents of s,it!hin& ti"e of )reakers?
1+. 4i$e the otential ali!ation of MTDC s*ste".
1. 56lain the reason for *na"i! o$er $olta&e.
1/. What is 4raet7 !ir!uit use in HVDC trans"ission?
2. Define o$er $olta&e.
21. What are the "a-or ro)le"s asso!iate ,ith the in-e!tion of
har"oni!s into the AC s*ste"?
22. What are the $arious t*es of AC filters?
2#. What is )reak e$en istan!e?
2%. Wh* ulse nu")er &reater than 12 are not referre in
ra!ti!e?
2'. What is series MTDC s*ste"?
