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发布时间: 2009-08-26
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The STPM01 is designed for effective measurement of active, reactive and apparentenergy in a power line system using Rogowskicoil, current transformer and shunt sensors. This device can be implemented as a single chip monophase energy meter or as a peripheral measurement in a microcontroller based monophase or 3-phase energy meter. TheSTPM01 consists, essentially, of two parts: the analog part and the digital part. The former, is composed by preamplifier and 1st order Δ Σ A/D converter blocks, b


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