1 Flashcards

1
Q

3 phase half wave rectifiers are connected in a _____ wire, delta or wye souce

A

Four wire wye connection

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2
Q

3 phase half wave
Peak load voltage is the same as?

A

Peak phase (line to neutral)

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3
Q

3 phase half wave
One diode is conducting than the other 2 must?

A

Block the line to line voltage

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4
Q

3 phase half wave
Ripple frequently of the load is _____times of the supply?

A

3 times

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5
Q

3 phase full wave
Ripple frequency is _____ supply frequency

A

6

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6
Q

3 phase half wave
Conversation factor decimal?

A

0.827
82.7%

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7
Q

3 phase full wave rectifier
Delta or wye?

A

Either

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8
Q

3 phase full wave rectifier
What is not needed? Conductor?

A

Neutral conductor not needed

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9
Q

3 phase full wave rectifier
Peak load voltage is the same as?

A

Peak line voltage

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10
Q

3 phase full wave rectifier
Average diode current is _______ of Average load current?

A

One third

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11
Q

3 phase full wave rectifier
Ripple frequently of the load is _______ of the supply

A

6 times

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12
Q

3 phase full wave rectifier
Conversation factor decimal?

A

0.955
95.5%

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13
Q

Higher voltage to a battery causes ______ current to flow

A

Higher

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14
Q

2 main parts of a battery charger are?

A

Transformer
Rectifier

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15
Q

Volts per turn transformer primary when selector goes from 12v low to 12v high?

A

Increases volts per turn

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16
Q

As the battery is charged what happens to the current to the battery over time?

A

Decrease

17
Q

If Vpeak of the battery charger is normal but Vdc is half than expected what is wrong?

A

One pair of diodes has failed