what is the minimum dielectric stregth of transformer oil.
Answer Posted / prashant agrawal
BDV strength of Transformer oil is 33kv (RMS) for 2.5mm air gap between electrodes.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.
Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?
What are IR values and what it should be for coil and for insulator
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
What is accuracy of a measurement?
Write down the brushes of a de machine.
What is the type of earth fault protection used in battery? explain.
how we can set the IDMT relay.
Why power genaration in India is at 50HZ while America its 60HZ
What is turn ratio of a transformer?
PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.
What is superposition theorem?
What is the normal phase difference between the voltage and the no-load current in a transformer?
How does the slip regulator works as a startor
Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.