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Joined: Jan 20, 2022
Last seen: Aug 17, 2025
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Topics: 16 / Replies: 2429
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RE: Single vs. three phase for heat pump, EV and appliances

Phase shift by distribution transformers Grid transformers are designed for maximum efficiency.To achieve this, the output frequency usually gets ph...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Single vs. three phase for heat pump, EV and appliances

zero point one what? percent?kilowatts? I can't give a straight answer to that question.Unlike the rest of you, I have multiple arrays with di...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Single vs. three phase for heat pump, EV and appliances

True @david999 - not all properties have three-phase available.I live in a rural area with long overhead 11kV cable runs to reach farms and hamlets.Th...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

Thank you @ellyse Rochdale isn't an area I'm familiar with, and I don't have the network maps for your regional distribution grid. However, if I w...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

I'm going to pick up a few of those points @ellyse I don't think that's good enough. This is one of the points which got picked up in the House...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Single vs. three phase for heat pump, EV and appliances

Let me explain that term, then we can more clearly use it this discussion. The DNOs use the words looped and shared to describe similar situations i...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Single vs. three phase for heat pump, EV and appliances

Yes!!I absolutely agree. 3-phase heat pumps and EV chargers would be so much better for the local distribution grid. Sad, but true.That app...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Single vs. three phase for heat pump, EV and appliances

Apologies for arriving 'late' to this topic. We've been discussing the change from single-phase to 3-phase over here on a topic about DIY Solar u...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

Erm... I carefully chose the adjective many when referring to installers.I deliberately didn't write 'major' or 'the majority of' installers. And wh...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

@ellyse In 2021 OVO was one of three Energy Suppliers selected to administer the installation of heat pumps in 750 homes. OVO was assigned the SE Engl...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

The quality of the installation is extremely important @ellyse A heat pump doesn't work like a gas boiler.It stays operating all the time, adjustin...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DIY solar upgrade - Considering adding more panels

Three-phase Distribution Boards / Consumer Units I've started looking to see if there are 3-phase DBs which are more suited to the domestic market.T...

12 months ago
Forum
Solar Photovoltaic (PV)
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