Answer Posted / pillay
it should be preventive maintenance,
what transformer.
any way like usual electrical installation.
1)check all termination for good fitting and sign of any damage
2) Check all insulation.
3) check all other associated equipments like cooling fans
thermometer. protection relays .
4)check for physical condition of the transformer for rust
or leaking oils
5) check for condition of the insulating transformer oil,
bushes and connecting cables and switchgear.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
define superposition theorem thevnin theorem ,norton theorom?
what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.
what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm
y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?
How to calculate per unit impedance of transformer?
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
our industries ht line so power fluctation(once drop of power please rectify causes
EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)
what are the reasons of CT circuit faulty in busbar protection scheme?
where lt & ht capacitor used
There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2
What is safety of Ht panel
how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?
what is difference between elr and R eartl realy.