3-1-10 Distribution Capacitors Flashcards

1
Q

The farther apart the plates of a capacitor are, the more capacitance there is.

A

False

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2
Q

The insulation used in a typical distribution capacitor is usually __?__ or polyethylene film.

A

oiled paper

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3
Q

If operating properly, the resistor in a capacitor will drain the voltage to 50 volts or less in __?__.

A

5 minutes

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4
Q

Distribution capacitors installed on a(n) __?__ can improve the power factor right back to the generator.

A

distribution system

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5
Q

Motors that cause inductive reactance in a circuit increase the overall __?__ of the circuit.

A

impedance

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6
Q

Most distribution capacitors on distribution circuits are installed to boost distribution voltage and to __?__.

A

reduce line loss

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7
Q

The 2/3-2/3 location rule for placing distribution capacitors on a distribution line means the capacitor bank is placed about 2/3 of the distance from where the voltage has dropped by 2/3.

A

True

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8
Q

The plates of a capacitor are made up of two long sheets of __?__.

A

aluminum

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9
Q

Less current is needed to supply a load if there is less impedance on the line.

A

True

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10
Q

The resistor inside a capacitor is connected between the __?__.

A

two terminals

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11
Q

Multiple rolls (plates) inside a capacitor can be interconnected in series or parallel.

A

True

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12
Q

Current flows into a capacitor only while the __?__ is rising in an AC circuit.

A

voltage

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13
Q

A distribution capacitor’s main function is to increase the change in voltage of an AC circuit.

A

False

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14
Q

In an electrical power system, most distribution capacitors are connected __?__.

A

in parallel

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15
Q

Distribution capacitors work by improving the power factor from the installation point back to the source.

A

True

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16
Q

On a radial circuit where there is severe voltage flicker, distribution capacitors would be connected __?__.

A

in series

17
Q

This lesson points out __?__ types of controls that can be used on electrical oil switches to switch distribution capacitors on or off.

A

5

18
Q

Distribution capacitor banks in a substation are normally surrounded by a fence with danger signs and are __?__.

A

set up on insulators

19
Q

A 300-kVAR capacitor bank connected on a 25-kilovolt wye system will draw __?__. Round up

A

7 A

20
Q

A 300-kVAR capacitor bank will draw __?__ if connected to a 12.5/7.2 kilovolt system.

A

13.8 A

21
Q

If a charged capacitor is returned to service, the voltage will drop dramatically.

A

False

22
Q

When energizing a capacitor and proper contact is not made the first time with the cutout, you should wait __?__ before trying again.

A

5 minutes