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What is systematic error?
If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?
how brushed dc motor operating ?
what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks
at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.
Please explain me abt PQ diagaram in the power sector.
What are the effects of electrical faults?
define the non synchoronism of synchoronous machine in general g or m??
What are the functions of temperature scanner in power transformer?
we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?
Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?
How to distinguish whether MCB is DC or AC looking at it physically
Why transformer used in UPS??
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
How the frame size of a flange mounted AC induction motor is calculated?
