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What is cos on an electric motor?

Updated: 12/18/2022
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12y ago

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Cos phi is a European term used on a motor to differentiate between apparent power (kVA) of an inductive load as compared to the active power (kW) that is really used by the load. Cos phi= active power/apparent power.

In North America a more familiar term would be power factor. Power factor = kW/kVA

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12y ago
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Q: What is cos on an electric motor?
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