in 132 kv substation ligtning arrestor(120 kv) connected to
line. but line voltage comes to 132 kv, it operate or
not???
Answer Posted / s.rajasekar
the lightinig arrestor connected with line in parrallel
then the volage range will divided by root 3.so the
insulation level of the arrester is suitadable for 132kv
system
| Is This Answer Correct ? | 15 Yes | 3 No |
Post New Answer View All Answers
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating
How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?
What are your future plans for the company if permanently employed?
how to select correct size of power cable for inverter duty motor
State thevenin’s theorem?
plz tel me syllabus and exam date 4 jr executive engg (electrical)
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
which VFD is better ( LT or HT)
Is vtg is controlled by the resistor? if else how much?
How does "OUT OF STEP" relay ,for Synchronous motor protection, work?
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?
What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)
As i want some model question paper in basic computer science and history please send me immediately sir