Current Cost Support Forum

Incorrect energy readings with PWM Immersion
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Author:  mr_gadget [ Wed Aug 14, 2013 10:09 am ]
Post subject:  Incorrect energy readings with PWM Immersion

I recently has a solar pv installation completed including a pulse width modulated (PWM) immersion heater which activates when there is excess electricity.

Now, however, when the immersion comes on the total power usage of my house is incorrect. I assume this is because my current cost (CC128) can't calculate the power consumption correctly. I have another electricity meter which does show the correct value.

ie. house usage 700w + 2000w for the immersion but the current cost will show around 1500w.

Any thoughts on how I can cure this or work around it somehow.

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