Transmission Lines Flashcards

1
Q

When alternating current passes through a conductor…

A

portion of the conductor near the surface carries more current as compared to the core.

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2
Q

The skin effect of a conductor will reduce as the…

A

resistivity of the conductor material increases.

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3
Q

The effect of the corona effect is.

A

An increase in energy loss.

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4
Q

Corona effect can be detected by:

A

Hissing sound, faint luminous flow of bluish color, and

presence of ozone detected by odor

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5
Q

The presence of ozone as a result of corona is harmful because…

A

it corrodes the material.

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6
Q

The effect of ice on conductor is…

A

increased weight.

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7
Q

ACSR conductor implies

A

Aluminum conductor steel reinforced

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8
Q

Bundling of conductors is done primarily to…

A

reduce reactance.

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9
Q

The function of ACSR conductor is to…

A

provide additional mechanical strength

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10
Q

String efficiency of an insulator is given by

A

(voltage across the string)/((number of discs on the string) x (voltage across disc nearest to the conductor))

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