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SHegy.1
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since ‎2021-08-09
‎2023-06-14

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IC STPM33 is possible to use for measurement: active power, apparent power, RMS value of current and RMS value of voltage. The question: does it measure the RMS value of current in the case, when AC current is not sinusoidal.

2021-08-09
The voltage is sinusoidal but the current is after PWM modulation ( dimming of LED lamp)
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