EC&M’s Monthly Quiz: Power Quality Puzzles

Take this quiz to see how much you know about power quality.

Getting to the bottom of a pesky power quality problem can take a little — or a lot — of sleuthing. Some of the biggest challenges include electrical harmonics, poor power factor, voltage instability, and imbalance. Take our 5-question quiz now!

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80 Hz

40 Hz

20 Hz

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Wildfires

Cyber attacks

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Birds

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591

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511

599

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$19 billion

$90 billion

$9 billion

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Swell

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Power factor

Voltage imbalance

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