We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?
Bhel,
9882why two point starter,three point starter, four point starter cannot be used for A.C machines?
2 3705Which of the following loss varies with the load A hystresis loss B eddy current loss C copper loss D core loss
1 3264In auto transformer if power transferred inductively and conductively are same, the ratio of output/input voltage is A 1 B 0.7 C 0.5 D none of above
2 9645kVA rating of open delta connected transformer is _____% kVA rating of delta/delta connection A 50 B 70.7 C 57.7 D 75.7
2 4036Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics
1867Post New Electrical Engineering Questions
what is cathodic protaction?
what is the star delta connetion and how can do it a three phase motor with control witing with picture
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
How to calculate VA rating for CT or PT or Control Transformer?
why tertiary winding is used in transformer with diagram?
what is is the potential diffrence between two phase ?
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
How to calulate Locked rotor amper(LRA) for compressor type motors?
WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?
I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.
how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.
what is 30-phase of transformer
5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........
Define the term Capacitance and Inductance?
what is meant by LCR meter? where its useful ?
