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Joined: Jan 20, 2022
Last seen: Aug 3, 2025
Topics: 16 / Replies: 2419
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RE: DIY solar upgrade - Considering adding more panels

... which it doesn't, because the Neutral is rarely fused. Instead, the Neutral wire gets hot, which eventually creates thermal breakdown of the ins...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

Yes... and most of that will be down to ignorance. When I see an outage pop up on the NGED Regional alert page, I tend to check where it actually is...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

And you're very unlikely to! There are 230,000 ground-mounted local substation transformers and a further 320,000 pole-mounted. Only a few hundred...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

To underline those comments from @derek-m 19kW equates to 80A, which is the size of Service Fuse being deployed by DNOs when they get called to site f...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

I think both @david999 and @bretix are missing something which I've found an essential part of my route to understanding how this green technology pro...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

Yes, Canadian Solar is ok @david999 How do you feel about the short-circuit current of those panels being slightly greater than the 13.5A maximum ra...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

@ bretix This is type of fuse-holder which attempts to double-up as a contact breaker. You pull the top handle towards you and the fuses get pulled...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

I've just checked the PV-input specifications for your 3-phase 10kW inverter @bretix Like @david999 you have two MPPT inputs,but in your case ...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

You may wonder why it is that your inverter is rated for a maximum 3600W output,and yet each of the two PV inputs can take up to 550v x 13.5A which co...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

Or, if you'd like a more technical answer... PV panels that you're likely to consider for rooftops have three electrical parameters which we need to...

11 months ago
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RE: DIY solar upgrade - Considering adding more panels

@david999 - regarding 'off-grid' use, I was specifically answering the points made by @bretix who has a SunSynk inverter I can't remember which inve...

11 months ago
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