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why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?
2077what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?
2 4461define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.
4 34127Post New Electrical Engineering Questions
What is control system?
What is difference between Sample test and Routine test in safety standard?
how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.
what type of motor used to move a 1 ton gate? and relate ratings with load.
why and where we use early make & late break contacts in protection?
how to erect roof control panel?
how to introduce yourself
why occ characteristics of generator is also called as magnatization characteristics ?
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
Which is the oldest hydropower plant in india?
How do I calculate/select Droop CT ratio for various capacity of generators?
what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks
How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?
The synchronous machine excitation system explain
