An infinite bus-bar hasa)constant voltageb)constant frequencyc)infinite voltaged)both (a) and (b)Correct answer is option 'D'. Can you explain this answer? - EduRev Electrical Engineering (EE) Question

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An infinite bus-bar has

a)
constant voltage
b)
constant frequency
c)
infinite voltage
d)
both (a) and (b)

Correct answer is option 'D'. Can you explain this answer?

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An infinite bus-bar hasa)constant voltageb)constant frequencyc)infinit...

Concept:
The bus whose voltage and frequency remain constant even after the variation in the load is known as the infinite bus.
The alternators operating in parallel in a power system are the example of the infinite bus. The on and off of any of the alternators will not affect the working of the power system.

The capacity of a parallel operating system is enormous, their voltage and frequency remain constant even after the disturbance of the load.
The connection and disconnection of any of the machines will not affect the magnitude and phase of voltage and frequency of an infinite bus.
In an infinite bus system, the voltage and frequency always remain constant.
The synchronous impedance of the bus is low because of the parallel operations of the machine.

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An infinite bus-bar hasa)constant voltageb)constant frequencyc)infinit...

The capacity of a parallel operating system is enormous, their voltage and frequency remain constant even after the disturbance of the load.
The connection and disconnection of any of the machines will not affect the magnitude and phase of voltage and frequency of an infinite bus.
In an infinite bus system, the voltage and frequency always remain constant.
The synchronous impedance of the bus is low because of the parallel operations of the machine.

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Before an alternator can be connected to an infinite bus, which of the following must be the same for the alternator and the infinite bus?

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A 50 Hz synchronous generator is connected to an infinite bus through a line. The pu reactance of the generator and the line are j0.3 pu and j0.2 pu respectively. The generator no load voltage is 1.1 pu and the infinite bus is 1.0 pu. The inertia constant of Generator is 3 MW sec/MVA.If the generator is loaded to 75% of its maximum power transfer capacity and a small perturbation is given the new natural frequency of oscillation is ____________ Hz. Correct answer is '1.39'. Can you explain this answer?

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An infinite bus-bar hasa)constant voltageb)constant frequencyc)infinite voltaged)both (a) and (b)Correct answer is option 'D'. Can you explain this answer?

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