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Low cost three phase voltage measurement

IP.com Disclosure Number: IPCOM000239859D
Publication Date: 2014-Dec-05
Document File: 2 page(s) / 245K

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Abstract

Using two low cost operational amplifier for measuring three phase voltage measurement. The measurement is fully differential (measures the difference between two phases) and has a high common mode range and rejection.

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Low cost three phase voltage measurement

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