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Illustrious Member
Joined: Jan 20, 2022
Last seen: Dec 24, 2025
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Topics: 16 / Replies: 2803
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RE: What crazy nonsense are inverter limits and why are they imposed?

That's true for the LV (Low Voltage) level of the grid, which operates at 440v (3ph) and 240v between phase and neutral. It's not true for all the...

2 months ago
Forum
Energy Storage
Reply
RE: Isolating the system for a planned power cut

Apologies, I don't follow what you've written @batpred The possibility of damage from surges doesn't increase with 'high powered' devices. In fact...

2 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New Fogstar 15.5kWh upright solution

Re-read what I wrote: It has an internal oscillator. There are two ways of implementing that. 1: The output from the backup port is always at...

2 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

That diagram is almost useless @batpred The Solis inverter itself is 'off-page' to the left,and they haven't even bothered to label the two mains co...

2 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

I'm finding it difficult to follow your descriptions. There are two different classes of grid-tied inverter: 1: Those which synchronise to the 50H...

2 months ago
Forum
Energy Storage
Reply
RE: Isolating the system for a planned power cut

That's correct. I was mentioning it as something which would be a future requirement. Both arc-detection and surge suppression devices (SPD) are l...

2 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New Fogstar 15.5kWh upright solution

Yes, there's a mass of technical assistance available from contributors to the DIY Solar Power Forum. They tend to be more technically knowledgeable...

2 months ago
Forum
Energy Storage
Reply
RE: Electricity price predictions

I hear what you say about the levies which are loaded onto the electricity bills. But I still think the infrastructure upgrades are the biggest prob...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: New Fogstar 15.5kWh upright solution

What do you mean by "the software"? Are you referring to a piece of code which runs on a PC and just does upgrades (via a serial port perhaps)? Or...

2 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

Have you tried going to Fogstar's website and looking for downloads? It took me about 10secs to find the instructions there! 🤔  

2 months ago
Forum
Energy Storage
Reply
RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank - Heat Pump Retrofix

Merely having air-release valves present isn't enough.They also need to be placed at the highest points in the pipework because that's where the air w...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

There are few heat-network schemes in UK @chris12 but I agree that they are more common in Eastern Europe. New ones are being put in when rubbish in...

2 months ago
Forum
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