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6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.?
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6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors...
Calculation of Full-load speed of a DC Shunt Motor

Given:


  • Number of poles (p) = 4

  • Applied voltage (V) = 500 V

  • Number of armature conductors (Z) = 700

  • Armature current (Ia) = 60 A

  • Flux per pole (Φ) = 30 mWb

  • Armature resistance (Ra) = 0.2 Ω

  • Brush drop (Eb) = 1 V/brush



Formula used:

Full-load speed (N) = (V - Ia*Ra - Eb) / (2 * p * Φ / Z)


Calculation:


  • Armature resistance loss = Ia * Ra = 60 A * 0.2 Ω = 12 V

  • Brush drop loss = 2 * Eb = 2 * 1 V = 2 V

  • Net voltage available for motor = V - Armature resistance loss - Brush drop loss = 500 V - 12 V - 2 V = 486 V

  • Full-load speed (N) = (486 V) / (2 * 4 * 30 mWb / 700) = 1450 RPM



Answer:

The full-load speed of the DC shunt motor is 1450 RPM.
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6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.?
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6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about 6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.?.
Solutions for 6). Afour-pole, 500 V DC shunt motor has 700 wave-connected conductors on its armature. The full-load armature current is 60A and the flux per pole is 30 mWb. Calculate the full-load speed, if the rotor armature resistance is 0.2 0 and brush drop is 1 V/brush.? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE). Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
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