For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.
2 4376i want to make an elec generater with only 12v car battery car alternater and 12 volt motor ..... will the battery charge and give power at same time with out over charging the battery?
1 2822we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?
1451How Kneepoint voltage of CT practically related when CT in service. ie Knp is above 670 what exactly means
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1514Post New Electrical Engineering Questions
how are reversing the direction of dc motor
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....
what r the safety measures in UPS ? explain all?
We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.
ROC converges if poles and zeros lie inside a. Origion b. Z=1
why ht motors are star connected?
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
What is DTR erection?
I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400
Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)
how to calculate fault level?
i want to know that what is the eligibility critaria for ongc exam?
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.