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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Wood burning stoves

@majordennisbloodnok I carried out some research on the properties of wood when I was working on a project at Slough Heat and Power, when they had j...

4 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Extra Low Voltage devices

@majordennisbloodnok I share your concern that having spent time, effort and expense installing all the necessary equipment, there would actually be...

4 years ago
Forum
Energy Storage
Reply
RE: Extra Low Voltage devices

You may find this of interest.

4 years ago
Forum
Energy Storage
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay I have attached a copy of the spreadsheet for a 14kW Ecodan for comparison. Ignore the #DIV/0 calculations at lower ambient temps which ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay You are indeed correct that, according to their own published data, Midea ASHP's are particularly poor at maintaining their specified ou...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Name and shame heat pump installers that have done shoddy work

@editor I don't know how this would stand legally, but it would be useful to know the names of the people involved with Greenfoot, just in case they...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Extra Low Voltage devices

@transparent I welcome and indeed encourage your efforts to help mitigate the effects that both renewable energy production and modern energy applia...

4 years ago
Forum
Energy Storage
Reply
RE: Extra Low Voltage devices

@transparent Having worked on and helped design many highly complex systems over the years, one of the things that I learned fairly quickly was keep...

4 years ago
Forum
Energy Storage
Reply
RE: Extra Low Voltage devices

@transparent I am rather confused as to what you are actually trying to achieve. It would appear that your intention is to take 48v DC, convert it...

4 years ago
Forum
Energy Storage
Reply
RE: Solar diverter impact

It would never be a 1:1 ratio because your gas boiler is not 100% efficient. It could also be that your estimate of the amount of energy diverted is n...

4 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Anyone want to share costs on batteries?

You are obviously not fully aware of the capabilities of modern PLC's, which are used throughout industry to control very complex systems and of cours...

4 years ago
Forum
Energy Storage
Reply
RE: Anyone want to share costs on batteries?

@transparent If you are not already doing so, why don't you use a Programmable Logic Controller (PLC) to control the operation of the system?

4 years ago
Forum
Energy Storage
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