where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.
2 8494how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
1560I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
RRB,
15180Post New Electrical Engineering Questions
are there rmu for 3 transformer?
What are stable systems?
How to decide cable tray size?
Is MEN and RCD related to each other ?? IF yes then how??
what is the importance of Partial Dischage test for Electrical Equipments
what is difference between window type and wound type transformers?where we will use window type and wound type transformers?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
Why saturation region slowly shifted in the left side?
DG Earth Value?
What range of speed can you get with the field control method of speed control of d.c. Shunt motor?
Name two low frequency oscillators?
What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?
How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.
What type of wiring series or parallel is used for conventional and addressable type FAS & why?
why electronic instruments is more favorable than electrical?
