question

n-dee avatar image
n-dee asked

grid value wrong or too low?

Hi,

Im missing a couple of thousand watts on the grid side...

No limit active!

Any idea? (no there are no hidden/invisible consuming devices)

grid-too-less.png

grid
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1 Answer
Alistair Warburton avatar image
Alistair Warburton answered ·

Yep, that is odd... Assuming it isn't a metering issue the only other explanation I can think of is poor power factor somewhere, that is a stretch to be fair as it would need to be down at 0.75 ish.. The grid seems to be circa 0.98 / 0.99 so that only leaves a load taking a big chunk of reactive power...

Can you get current real time measurement's for the AC load? (and preferably the AC coupled solar too) I will be following to see how this one shakes out...

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n-dee avatar image n-dee commented ·
Ok - will have a look on the weekend.

In the meantime I've ckecked the voltages on both sides (tracker and Inverter)
-> both are the same value so thats ok

Furthermore I saw that this occurs only when we are on high production.
e.g. when production is at 20.000w there is almost no problem, now at over 30.000 I'm missing a few thousand watts of output to the grid again.


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