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New Growatt SPH + Li6532 Installation queries
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<blockquote data-quote="David_1224" data-source="post: 554525" data-attributes="member: 37856"><p>Well shouldn't be surprised but flipping those parameters to "disabled" made no difference.</p><p></p><p>Worryingly it also feels like the time between events is actually getting shorter. </p><p>Overnight I recorded 3 hours and 4 hours between grid charge episodes suggesting the loss of charge from 12% through 11% is getting shorter.</p><p></p><p>John</p><p>If you get back to this post do you have any data on how your battery performs around the SOC level?</p><p>I got the impression, from what you've posted on other threads, that you're predominantly using off-peak grid to charge your battery.</p><p>I'd have thought that the way you're using your system you wouldn't have much time when your battery would be sitting at or about it's minimum SOC.</p><p>For instance in my case when the PV has injected enough charge to get me to > 90% I'll get through more than 24hrs without seeing any input from the grid. </p><p>Monday was just such a day. </p><p>Battery was 100% by late afternoon.</p><p>Covered the load through the night and had sufficient to last through to getting some more PV input through mid-day Tuesday.</p><p>So this, plus minimal PV input Tues pm, covered load requirements through to about 20:00 Tues evening.</p><p>So then I didn't record any grid input until around 00:00 - 01:00 Wednesday. (12% at ~ 20:00 decay through 11% around midnight)</p><p></p><p>It would be good to know if my (no load) discharge rate is typical or do I have an issue.</p><p>Alternatively am I just expecting too much and am being greedy.</p></blockquote><p></p>
[QUOTE="David_1224, post: 554525, member: 37856"] Well shouldn't be surprised but flipping those parameters to "disabled" made no difference. Worryingly it also feels like the time between events is actually getting shorter. Overnight I recorded 3 hours and 4 hours between grid charge episodes suggesting the loss of charge from 12% through 11% is getting shorter. John If you get back to this post do you have any data on how your battery performs around the SOC level? I got the impression, from what you've posted on other threads, that you're predominantly using off-peak grid to charge your battery. I'd have thought that the way you're using your system you wouldn't have much time when your battery would be sitting at or about it's minimum SOC. For instance in my case when the PV has injected enough charge to get me to > 90% I'll get through more than 24hrs without seeing any input from the grid. Monday was just such a day. Battery was 100% by late afternoon. Covered the load through the night and had sufficient to last through to getting some more PV input through mid-day Tuesday. So this, plus minimal PV input Tues pm, covered load requirements through to about 20:00 Tues evening. So then I didn't record any grid input until around 00:00 - 01:00 Wednesday. (12% at ~ 20:00 decay through 11% around midnight) It would be good to know if my (no load) discharge rate is typical or do I have an issue. Alternatively am I just expecting too much and am being greedy. [/QUOTE]
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