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A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .
Correct answer is '4.21'. Can you explain this answer?
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Verified Answer
A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a sl...
4 pole, 50 Hz I.M has no load slip 1%
4 pole, 50 Hz I.M has full load slip 5%
NS = 1500 rpm
N0 = Ns(1 – s) = 1500(1 – 0.01) = 1485
N = Ns(1 – s ) = 1500(1 – 0.01) = 1425
Speed regulation is
4 pole, 50 Hz I.M has full load slip 5%
NS = 1500 rpm
N0 = Ns(1 – s) = 1500(1 – 0.01) = 1485
N = Ns(1 – s ) = 1500(1 – 0.01) = 1425
Speed regulation is
Most Upvoted Answer
A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a sl...
Given data:
- Three-phase, 50 Hz, 4-pole induction motor
- No-load slip = 1%
- Full load slip = 5%
To find: % speed regulation of the motor
Formula:
% speed regulation = (Noload speed – Full load speed) / Full load speed x 100
Calculation:
- Number of poles = 4
- Synchronous speed = (120 x Frequency) / Number of poles
= (120 x 50) / 4
= 1500 rpm
At no-load:
- Slip = 1%
- Actual speed = (1 - Slip) x Synchronous speed
= (1 - 0.01) x 1500
= 1485 rpm
At full load:
- Slip = 5%
- Actual speed = (1 - Slip) x Synchronous speed
= (1 - 0.05) x 1500
= 1425 rpm
% speed regulation = (Noload speed – Full load speed) / Full load speed x 100
= (1485 - 1425) / 1425 x 100
= 4.21%
Therefore, the % speed regulation of the motor is 4.21%.
- Three-phase, 50 Hz, 4-pole induction motor
- No-load slip = 1%
- Full load slip = 5%
To find: % speed regulation of the motor
Formula:
% speed regulation = (Noload speed – Full load speed) / Full load speed x 100
Calculation:
- Number of poles = 4
- Synchronous speed = (120 x Frequency) / Number of poles
= (120 x 50) / 4
= 1500 rpm
At no-load:
- Slip = 1%
- Actual speed = (1 - Slip) x Synchronous speed
= (1 - 0.01) x 1500
= 1485 rpm
At full load:
- Slip = 5%
- Actual speed = (1 - Slip) x Synchronous speed
= (1 - 0.05) x 1500
= 1425 rpm
% speed regulation = (Noload speed – Full load speed) / Full load speed x 100
= (1485 - 1425) / 1425 x 100
= 4.21%
Therefore, the % speed regulation of the motor is 4.21%.
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A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer?
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A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer?.
A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .Correct answer is '4.21'. Can you explain this answer?.
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