which level of transformer oil has got low dielectric
strength ?why?
Answer Posted / loboreliance2003
dielectric strength of transformer oil should be above 30KV
for 1 min. testing of the transformer oil sample should be
done properly. Ensure no oil bubbles are formed and wait
for bubbles to settle before taking the test.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what happen if drive input fail momentry at 48.5 HZ frequency?
Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)
Define maximum demand?
for 750 kw LT load what will be the ht kva
If UG power cable both ends are to be earthed or what? If not why?
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
what does a k rating in a transformer means?
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
What is the difference between relays and contactor construction wise?
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
Explain about Leakage Test.
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design
what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?