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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
2220Where double earthing is required? Is there any power specification to have double earthing?
10 48232What will hapen if we connect more capacitors than required for powerfactor control? Exactly what will be the effect on power system?
2 5176Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge
3 4703Post New Electrical Engineering Questions
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?
AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
why star point of HT motor not earthed?
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.
How I calculate the ELCB for circuit breakers?
what is meant by twilight switches 7 where its applicable ?
what is the use of piston rings in the engine used for a generator...........
1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?
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....
How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....
How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.
Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks
