what is the breakdown voltage value in BDV test in
transformers?
Answer Posted / kishore
the minimum aceptable value of breakdown voltage in BDV
test is >30KV
| Is This Answer Correct ? | 15 Yes | 6 No |
Post New Answer View All Answers
WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE
When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number
What is servo motor and what are different types of servo motor
How energy is generated in hydroelectric power plant?
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
1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?
What is the ratio of true power to apparent power in an ac circuit?
How can calculate the rating of a servo stabilizer for given a specific load
Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???
1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.
when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?
Name one of major transformer company in KSA ?
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
How npn and pnp transistor works
relation between power station capacity and voltage level?