Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?
2 38381.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
2124a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.
GATE,
1 5360In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.
1 2936how can i get elcctrical supervisor license & Certificate of competancy in gujarat? i have completed my B.E (Electrical) course from gujarat.
2 5587Post New Electrical Engineering Questions
Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel
Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?
Why increase in current leads to increase in conductor temperature?
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?
If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job
How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?
hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly
Explain about 3 phase motor fault current calculation with examples?
how much leakage current is allowed in MC61A L&T make relay?
If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
Can i use the B-curve MCB instead of C-curve MCB
which protection used in power plant?
