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Grid Frequency drops to 0Hz

name
in Fundamentals Of Electricity

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Hey Everyone.

A few months ago, we had a power issue in our area. Eskom supplied 280v plus and the frequency was 0hz. Since this issue was resolved, we experience multiple drops per day.

image.thumb.png.a14aec17764d8907238212c78b2863f1.png

image.thumb.png.0d18b9a7797d733bcd6899f59fe58eb9.png

My simpleton mind thinks the current effectively becomes DC if the poles stop switching. Is this correct?

Luckily, my inverter protects my house from this but I suspect it's a sign of a far bigger problem with the electricity supply. Does anyone know what causes this?

I appreciate any insight!

 

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