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ChickenBig
@chickenbig
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Joined: Apr 3, 2022
Last seen: Oct 12, 2024
Profile Activity
Topics: 10 / Replies: 282
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RE: Delivering a smart and secure electricity system: government consultation

Compared to a poorly executed development and rollout, some civil servants for a few years looks to be a bargain. But I'm not sure such long iteration...

2 years ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Incorrect Billing of Customers with a Smart Meter

implies that EDF are moving onto the same billing platform as Octopus Energy, so hopefully that means the Octopus workaround will be applied.

2 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Incorrect Billing of Customers with a Smart Meter

To be fair to Octopus, they do have an option to allow smart meter reading every half an hour. It is not entirely clear whether this means they poll t...

2 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
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 ...

2 years ago
Forum
Energy Storage
Reply
Central heating inhibitor with ASHPs

Have you seen the Heat Geek article and video?

2 years 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...

3 years 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...

3 years ago
Forum
Government Schemes, Regulations, Training, Planning & 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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 ...

3 years ago
Forum
Energy Storage
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