The angular displacement between two interconnected stations is mainly due to
A. Armature reactance of both alternators
B. Reactance of the interconnector
C. Synchronous reactance of both the alternators
D. All of the above
Answer: Option A
By which of the following a bus-bar is rated?
A. Current only
B. Current and voltage
C. Current, voltage and frequency
D. Current, voltage, frequency and short time current
A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer
The frequency of voltage generated, in case of generators, can be increased by
A. Using reactors
B. Increasing the load
C. Adjusting the governor
D. Reducing the terminal voltage
In aluminium conductors, steel core is provided to
A. Compensate for skin effect
B. Neutralise proximity effect
C. Reduce line inductance
D. Increase the tensile strength
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