Answer Posted / dharmendra mathur
If an electric motor contineous run. So motor will become
hot. So various safety devise are available for tripping an
overheated motor before it become damage or burnt from
excess heat.
Is This Answer Correct ? | 10 Yes | 2 No |
Post New Answer View All Answers
defination of lines
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
why chock were used in old tubelights but are not newest tubelights?
how to control dc motor?
What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
What does the term “voltage regulation” means?
why surge protectetor work explain with the help of circut diagram?
brief notes on ammeters
The windings of a transformer are divided into several coils, because?
How many VSC based HVDC are there in India and the world
how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer
A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?