Electronics > Power/Renewable Energy/EV's

Grid Tied inverters for household use will soon be useless?

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madires:

--- Quote from: Cerebus on September 19, 2021, 01:13:33 am ---
--- Quote from: NiHaoMike on September 18, 2021, 10:22:08 pm ---Looking at reference designs for universal input power supplies, they're tested up to 265V, some up to 270V.

--- End quote ---

You seem to be making the unwarranted assumption there that everything connected to the mains has an SMPS at the front of it. This is not the case.

--- End quote ---

Back in the 220 V era EEs were taught that PSUs should support a tolerance of +/- 10 %. So old devices (many with transformers) should be fine up to 242 V. BTW, in my case there are a few PV installations in the neighborhood (maybe 30 - 50 kW in total) and the mains voltage is around 236 V.

madires:

--- Quote from: richard.cs on September 20, 2021, 02:10:27 pm ---
--- Quote from: Cerebus on September 20, 2021, 12:48:04 pm ---It won't for the UK then because smart meters will never be universal here as there's a "right to refuse" enshrined in law so they just can't do it. If they tried to invent a new "you don't have a smart meter" tariff they would soon get pummelled (by the courts) for punishing people for exercising their rights.

--- End quote ---
Everything I've read suggests that you can refuse to have one installed in the short term, but when your current meter reaches end of life (basically when the calibration expires) you can't refuse a meter change, and they are not obligated to offer you a dumb meter at that point.

--- End quote ---

Over here you'll get a smart meter when your power consumption exceeds 6000 kWh per year or if you feed power into the grid.

themadhippy:

--- Quote ---If they tried to invent a new "you don't have a smart meter" tariff they would soon get pummelled (by the courts) for punishing people for exercising their rights.
--- End quote ---
Without a smart meter good luck getting the cheapest energy price  from most suppliers

Gyro:

--- Quote from: themadhippy on September 20, 2021, 03:17:03 pm ---
--- Quote ---If they tried to invent a new "you don't have a smart meter" tariff they would soon get pummelled (by the courts) for punishing people for exercising their rights.
--- End quote ---
Without a smart meter good luck getting the cheapest energy price  from most suppliers

--- End quote ---

Yes, it's become a condition that you have one fitted for some tariffs. It worked for me though, I got a free mains isolator and tails upgraded to 100A 25mm2 out of it (you have to remember to ask the fitter nicely mind you ;)).

Shivamraj243:
you can also go to google

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