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Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control
2157Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?
L&T,
9 36941Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.
20791.protection used in transformer ? 2.Why breather called breather ? 3.Working of conservator tank.? 4.Speaker of parliament ?
4 11203Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?
2 5593how to calculate cable size, olr rating, contactor rating and mccb rating,to below given details three phase motor 75 kw,415 v,.85 pf,50 hz?
5 73968Post New Electrical Engineering Questions
how i can calculate the size for fire cable
can anyone show me how the 3 phase power is supplied to socket outlets?
exolain the star delta connection
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?
Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
what is strip power factor?
What is tan delta & PPM in transformer? and whats its IS value?
What is difference between insulating medium and fault current interruption medium in a switching device.
why induction motors are rated at 0.8 power factor.
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
