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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
2308Why 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 6277in 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 3868can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?
2 8030iam 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 4100how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?
3 8114what is the working principle of contactor and conditions of normal open and normal close on it?
EEE,
3 29651if 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
24311 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 6487Post New Electrical Engineering Questions
Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?
how can i reduce sparking without stepdowning the voltage
I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.
what is reactive power?, why its measured in VA ? is it transient behavior of system?
how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....
Why saturation region slowly shifted in the left side?
What is the application of Dyn1 and Dyn11 vector group of transformer?
what is PWM in IGBT and how it works for drive.?
What is the difference between diode and a transistor in terms of the direction of current flow?
What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.
what is the eight bit unit?
state types of reflectors in illumination engg. ???????
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
What is resistance reading of earth copper rod with grid and without grid?
what is the difference b/w ATS and HTS?
