Neglecting all losses, the developed torque (T) of a DC separately excited motor, operating under constant terminal voltage, is related to its output power (P) as under
Two DC series motors connected in series draw current I from supply and run at speed N. When the same two motors are connected in parallel taking current I from the supply, the speed of each motor will be
In flux control method the speed of DC motor is obtained _____
In flux control method the speed of DC motor is obtained _____ Read More »
A short shunt compound generator supplies a load current of 100 A at 250 V
The method of speed control of DC Shunt motor is used for applications where a very wide range sensitive speed control is required is
A 4 pole, lap wound d.c motor has 540 conductors and 230 V supply. The armature resistance is 0.8Ω. Its speed found to be 1000 r.p.m. the flux per pole is 25 mWb. The Induced e.m.f.and Armature current will be
In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by
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Kamrup Metro Judiciary Recruitment 2022 – 4 Office Peon & Process Server Vacancy Read More »
A 440-V shunt motor has armature resistance of 0.8 Ω and field resistant 200 Ω. What will be the back e.m.f when giving an output of 7.46 kW at 85 percent efficiency
