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The shaft power at the DC Generator is
- a)sum of mechanical power and rotational losses
- b)only mechanical losses
- c)no-load losses and mechanical power
- d)any of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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The shaft power at the DC Generator isa)sum of mechanical power and ro...
Explanation: The shaft power is sum of mechanical power and rotational losses.
correct answer is option A
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The shaft power at the DC Generator isa)sum of mechanical power and ro...
Shaft Power at DC Generator
The shaft power at the DC generator is the power that is delivered by the generator to the load. It is the power which is available at the output shaft of the generator. The shaft power is calculated by subtracting the rotational losses from the mechanical power input to the generator.
Calculation of Shaft Power
The calculation of shaft power at the DC generator involves the following steps:
Step 1: Calculate Mechanical Power Input - The mechanical power input to the generator is the power which is delivered by the prime mover to the generator. It is calculated as the product of torque and speed of the prime mover.
Mechanical Power Input = Torque × Speed
Step 2: Calculate Rotational Losses - The rotational losses are the losses that occur due to friction and windage in the generator. These losses are calculated as a percentage of the mechanical power input.
Rotational Losses = Percentage of Mechanical Power Input
Step 3: Calculate Shaft Power - The shaft power at the DC generator is the difference between the mechanical power input and the rotational losses.
Shaft Power = Mechanical Power Input - Rotational Losses
Therefore, the correct option is A, which states that the shaft power at the DC generator is the sum of mechanical power and rotational losses.
The shaft power at the DC generator is the power that is delivered by the generator to the load. It is the power which is available at the output shaft of the generator. The shaft power is calculated by subtracting the rotational losses from the mechanical power input to the generator.
Calculation of Shaft Power
The calculation of shaft power at the DC generator involves the following steps:
Step 1: Calculate Mechanical Power Input - The mechanical power input to the generator is the power which is delivered by the prime mover to the generator. It is calculated as the product of torque and speed of the prime mover.
Mechanical Power Input = Torque × Speed
Step 2: Calculate Rotational Losses - The rotational losses are the losses that occur due to friction and windage in the generator. These losses are calculated as a percentage of the mechanical power input.
Rotational Losses = Percentage of Mechanical Power Input
Step 3: Calculate Shaft Power - The shaft power at the DC generator is the difference between the mechanical power input and the rotational losses.
Shaft Power = Mechanical Power Input - Rotational Losses
Therefore, the correct option is A, which states that the shaft power at the DC generator is the sum of mechanical power and rotational losses.
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The shaft power at the DC Generator isa)sum of mechanical power and rotational lossesb)only mechanical lossesc)no-load losses and mechanical powerd)any of the mentionedCorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The shaft power at the DC Generator isa)sum of mechanical power and rotational lossesb)only mechanical lossesc)no-load losses and mechanical powerd)any of the mentionedCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The shaft power at the DC Generator isa)sum of mechanical power and rotational lossesb)only mechanical lossesc)no-load losses and mechanical powerd)any of the mentionedCorrect answer is option 'A'. Can you explain this answer?.
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