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A magnetisation curve represents the relationship between
- a)reactive and non-reactive components of voltage
- b)exciting currents and terminal voltage
- c)power factor and terminal voltage
- d)magnetic flux and armature current
Correct answer is option 'B'. Can you explain this answer?
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A magnetisation curve represents the relationship betweena)reactive an...
Magnetisation Curve Explanation:
Definition:
A magnetisation curve represents the relationship between exciting currents and terminal voltage in an electrical machine, typically a transformer or generator.
Exciting Currents:
Exciting currents are the currents required to establish the magnetic field in the machine. These currents are necessary for the operation of the machine and are typically supplied by the excitation system.
Terminal Voltage:
Terminal voltage is the voltage at the output terminals of the machine. It is the voltage that is available for external electrical loads connected to the machine.
Relationship:
The magnetisation curve shows how the terminal voltage of the machine varies with respect to the exciting currents supplied to the machine. It helps in understanding the magnetic characteristics of the machine and how it responds to different levels of excitation.
Importance:
- By studying the magnetisation curve, engineers can determine the optimal excitation level for the machine to achieve desired output voltages.
- It also helps in analyzing the efficiency and performance of the machine under different operating conditions.
- The shape of the curve can provide insights into the saturation levels of the machine's magnetic core and help in designing more efficient machines.
In conclusion, the magnetisation curve represents the crucial relationship between exciting currents and terminal voltage in electrical machines, providing valuable information for engineers in designing, operating, and optimizing the performance of these machines.
Definition:
A magnetisation curve represents the relationship between exciting currents and terminal voltage in an electrical machine, typically a transformer or generator.
Exciting Currents:
Exciting currents are the currents required to establish the magnetic field in the machine. These currents are necessary for the operation of the machine and are typically supplied by the excitation system.
Terminal Voltage:
Terminal voltage is the voltage at the output terminals of the machine. It is the voltage that is available for external electrical loads connected to the machine.
Relationship:
The magnetisation curve shows how the terminal voltage of the machine varies with respect to the exciting currents supplied to the machine. It helps in understanding the magnetic characteristics of the machine and how it responds to different levels of excitation.
Importance:
- By studying the magnetisation curve, engineers can determine the optimal excitation level for the machine to achieve desired output voltages.
- It also helps in analyzing the efficiency and performance of the machine under different operating conditions.
- The shape of the curve can provide insights into the saturation levels of the machine's magnetic core and help in designing more efficient machines.
In conclusion, the magnetisation curve represents the crucial relationship between exciting currents and terminal voltage in electrical machines, providing valuable information for engineers in designing, operating, and optimizing the performance of these machines.
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A magnetisation curve represents the relationship betweena)reactive and non-reactive components of voltageb)exciting currents and terminal voltagec)power factor and terminal voltaged)magnetic flux and armature currentCorrect answer is option 'B'. Can you explain this answer?
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