Voltage Sampling And Acquisition Circuit
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Voltage Sampling And Acquisition Circuit

Views: 0     Author: Site Editor     Publish Time: 2023-12-11      Origin: Site

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For smart meters, voltage signal collection is required, and the voltage and sampling methods of single-phase and three-phase meters are different. The picture below shows the voltage acquisition input terminal of a single-phase ammeter.

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Yint Electronics recommends using varistor for input overvoltage protection. The recommended models are 14D or 20D products with voltages of 470V (single-phase 220V) ~ 820V (three-phase 380V):

 

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