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The load characteristic of DC shunt generator is determined by-
- a)the voltage drop in armature resistance
- b)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drop in armature resistance.
- c)the voltage drop to armature reaction and voltage drop in armature resistance
- d)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drops in armature and field resistance
Correct answer is option 'B'. Can you explain this answer?
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The load characteristic of the DC shunt generator is determined by the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drop in armature resistance.
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Load Characteristic of DC Shunt Generator
The load characteristic of a DC shunt generator is determined by various factors. Let us discuss them in detail below.
Factors determining load characteristic:
1. Voltage Drop in Armature Resistance:
The voltage drop in armature resistance is directly proportional to the armature current. Hence, it plays a significant role in determining the load characteristic of a DC shunt generator.
2. Voltage Drop due to Armature Reaction:
When a DC shunt generator is loaded, the armature reaction causes the flux to distort, leading to a reduction in the terminal voltage. This voltage drop due to armature reaction also affects the load characteristic of the generator.
3. Voltage Drop due to Decreased Field Current:
The voltage drop due to decreased field current is caused by the demagnetizing effect of armature reaction. As the load on the generator increases, the field current decreases, leading to a reduction in the field flux. This, in turn, causes a reduction in the terminal voltage and affects the load characteristic of the generator.
4. Voltage Drop in Armature and Field Resistance:
The voltage drop in armature and field resistance is also a significant factor that affects the load characteristic of a DC shunt generator. The resistance of the armature and field windings causes a voltage drop, which reduces the terminal voltage of the generator.
Conclusion:
Hence, the load characteristic of a DC shunt generator is determined by the voltage drop in armature resistance, voltage drop due to armature reaction, voltage drop due to decreased field current, and voltage drop in armature and field resistance.
The load characteristic of a DC shunt generator is determined by various factors. Let us discuss them in detail below.
Factors determining load characteristic:
1. Voltage Drop in Armature Resistance:
The voltage drop in armature resistance is directly proportional to the armature current. Hence, it plays a significant role in determining the load characteristic of a DC shunt generator.
2. Voltage Drop due to Armature Reaction:
When a DC shunt generator is loaded, the armature reaction causes the flux to distort, leading to a reduction in the terminal voltage. This voltage drop due to armature reaction also affects the load characteristic of the generator.
3. Voltage Drop due to Decreased Field Current:
The voltage drop due to decreased field current is caused by the demagnetizing effect of armature reaction. As the load on the generator increases, the field current decreases, leading to a reduction in the field flux. This, in turn, causes a reduction in the terminal voltage and affects the load characteristic of the generator.
4. Voltage Drop in Armature and Field Resistance:
The voltage drop in armature and field resistance is also a significant factor that affects the load characteristic of a DC shunt generator. The resistance of the armature and field windings causes a voltage drop, which reduces the terminal voltage of the generator.
Conclusion:
Hence, the load characteristic of a DC shunt generator is determined by the voltage drop in armature resistance, voltage drop due to armature reaction, voltage drop due to decreased field current, and voltage drop in armature and field resistance.
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The load characteristic of DC shunt generator is determined by-a)the voltage drop in armature resistanceb)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drop in armature resistance.c)the voltage drop to armature reaction and voltage drop in armature resistanced)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drops in armature and field resistanceCorrect answer is option 'B'. Can you explain this answer?
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ample number of questions to practice The load characteristic of DC shunt generator is determined by-a)the voltage drop in armature resistanceb)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drop in armature resistance.c)the voltage drop to armature reaction and voltage drop in armature resistanced)the voltage drop due to armature reaction, the voltage drop due to decreased field current, and voltage drops in armature and field resistanceCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice SSC tests.
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