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ChickenBig
@chickenbig
Member
Honorable Member
2336 kWhs
Joined: Apr 3, 2022
Last seen: May 1, 2024
Profile Activity
Topics: 10 / Replies: 279
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RE: New Fogstar 15.5kWh upright solution

Yes their manual lists specific battery types as being supported, not BMSes. Indeed when you enabled the BMS_Err_Stop it confirmed this was very ...

4 days ago
Forum
Energy Storage
Reply
Central heating inhibitor with ASHPs

Have you seen the Heat Geek article and video?

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Fogstar 15.5kWh upright solution

I'm sorry to hear this is the case. This is not the case as the battery can send signals to the inverter to stop charging (e.g. outside temperatu...

6 days ago
Forum
Energy Storage
Reply
RE: Delivering a smart and secure electricity system: government consultation

This will come across as judgemental, but having looked at the tariff data accessibility document I can't help but see design-by-committee. I could go...

2 weeks ago
Forum
Government Schemes, Regulations & Organisations
Reply
RE: New Fogstar 15.5kWh upright solution

Indeed, for LiFePO4 batteries voltage is a poor proxy for SoC except at 0% (2.5V per cell) and 100% (3.65V per cell). This is why, after briefly think...

4 weeks ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

I think might be of interest to you. Effectively the lithium shutdown voltages are controlled by BMS SoC *and* detected voltages. Yes it is very much...

1 month ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

One possibility that has just occurred to me is that the battery to inverter communication may be unreliable. When the battery is charged from mains w...

1 month ago
Forum
Energy Storage
Reply
RE: PAS_63100_2024 - BSI guidance on BESS (battery energy storage systems) in dwellings

I an eFixx video about solar string isolation which attributed about 49% of fire incidents to DC isolators. See page 20. I think older solar isolator...

1 month ago
Forum
Energy Storage
Reply
RE: PAS_63100_2024 - BSI guidance on BESS (battery energy storage systems) in dwellings

:-/ It is a shame that the open standard references other standards which are closed. I don't think I can justify spending > £400 for the bed-time ...

1 month ago
Forum
Energy Storage
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

I've responded to this consultation. In particular Q 51 invites a free-form response on heat pump installation (albeit being quite vague about which a...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think

I thought I'd chip in with some musings by Richard Erskine (of "Insulate Britain! Yes, but by how much?" fame/infamy) from 9th March 2022 where he bel...

2 months ago
Forum
Government Schemes, Regulations & Organisations
Reply
RE: Anyone installed a 12kw Samsung gen7 that is 0.07 over the permitted development rules?

Were you able to find (comprehensive) performance numbers for the Arotherm Plus heat pumps? The best I could find was the technical data from the inst...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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