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ChickenBig

@chickenbig

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Honorable Member

2388 kWhs

Joined: Apr 3, 2022
Last seen: Oct 12, 2024

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...

9 months ago

Forum

Government Schemes, Regulations, Planning & Organisations

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.

10 months ago

Forum

Electricity, Tariffs, Monitoring & Providers

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...

11 months ago

Forum

Electricity, Tariffs, Monitoring & Providers

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 ...

12 months ago

Forum

Energy Storage

Central heating inhibitor with ASHPs

Have you seen the Heat Geek article and video?

12 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

12 months ago

Forum

Energy Storage

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...

12 months ago

Forum

Government Schemes, Regulations, Planning & Organisations

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...

1 year ago

Forum

Energy Storage

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 year ago

Forum

Energy Storage

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 year ago

Forum

Energy Storage

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 year ago

Forum

Energy Storage

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 year ago

Forum

Energy Storage