hi
i have a 400kva transformer
i want to know the test i can use to check on it
thx
Answer / binod
as the transformer capcity small so only megger value can
decided to make it on.IF STAR/STAR CONNECTED THAN ALL STAR
POINT EARTH REMOVED.IF DELTA/STAR THAN THE STAR POINT EARTH
BE REMOVED.
ph to earth(p)MEGGERED IF SATSFIED
ph to earth(s)MEGGERED IF SATSFIED
PH(P) TO PH(S) MEGGERED IF SATSFIED
VOLTAGE RATIO TEST(PRIMARY HV TO SECONDARY LV)
GIVING LOW VOLAGE TO HIGH VOLAGE SIDE AND MEASURE THE
VOLTAGE IN LOW VOLTAGE SIDE IN ALL PHASE(LINE VOLTAGE AND
PHASE VOLTAGE) IF ALL THE ABOVE VALUES SATISFIED THAN THE
TRANS.MAY BE ENERGISED.
Is This Answer Correct ? | 1 Yes | 0 No |
In power transformer tappings are provided on A high voltage side B low voltage side C In middle of both the windings D both high and low voltage side
Is there any difference between load based power plant and coal based power plant?
What are types of encoders?
19 Answers ITC Infotech, UFO, Wipro,
Can we use shunt trip coil instead of trip coil with protection relay for protection?
why current is leading in capacitor?
why abcd parameters are called as transmission parameter?
why magnetising curve not start with zero voltage?
Motor running trough VFD, if voltage reduced speed will be?
how to find out speed of single phase motor
Can a generator rated 400 V, 60 Hz be used in a 50 Hz System? Yes or No ? Why ?
How to reverse the direction of a DC motor ? By reversing the Armature wires or by reversing the field wires
What is VCB? where it is installed at SP. What is SP?