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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
2304Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?
2 6264in power station what is the electrical circuit length of spacing between power transformer and lightning arrestors,for the voltage system of 230kv,110kv,33kv,22kv,11kv?
1 3855can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?
2 8013iam working as a electrical engineer. i want to know about any license or certificates regarding my field. for my carrier and ti improve the knoweledge.,,, how we get that..and what procedures......... pls help me
1 4091how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?
3 8102what is the working principle of contactor and conditions of normal open and normal close on it?
EEE,
3 29620if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
24291 no. 22 kV feeder is taken from state electricity board. 350 MVA is the S.C. MVA. now i am feeding this feeder to HT Panel having 2 outgoings which further supply to 2 Transformers. Can you please suggest me the type & rating of cables are 3 of these cables same? or they are different? please help...............
TCE,
2 6481Post New Electrical Engineering Questions
Advantages of using generator circuit breaker (GCB) scheme in a power station ?
what is the correct format to create a resume for interview??
There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
what is the voltage between earth to neutral in lift.
Mention the disadvantages of low power factor? How can it be improved?
What is pi controller?
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
how we can calculate the efficiency of a diesel generator ?
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
why occ characteristics of generator is also called as magnatization characteristics ?
Type of motor stater detail and working detail
What is a fuse? How does it work? What are materials used?
Use of switch mode power converter in real-time basis?
Define de-sensitivity?
