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Joined: Jan 20, 2022
Last seen: Dec 20, 2025

Topics: 16 / Replies: 2781

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RE: New Fogstar 15.5kWh upright solution

I think there will be only ONE oscillator in the inverter which provides 50Hz when the grid is down.You can't have multiple sources for the same refer...

2 months ago

Forum

Energy Storage

RE: New Fogstar 15.5kWh upright solution

I'm assuming that you're not from an electronics or systems engineering background. Try drawing a diagram for yourself (pencil &paper) before wr...

2 months ago

Forum

Energy Storage

RE: What crazy nonsense are inverter limits and why are they imposed?

That's true for the LV (Low Voltage) level of the grid, which operates at 440v (3ph) and 240v between phase and neutral. It's not true for all the...

2 months ago

Forum

Energy Storage

RE: Isolating the system for a planned power cut

Apologies, I don't follow what you've written @batpred The possibility of damage from surges doesn't increase with 'high powered' devices. In fact...

2 months ago

Forum

Solar Photovoltaic (PV)

RE: New Fogstar 15.5kWh upright solution

Re-read what I wrote: It has an internal oscillator. There are two ways of implementing that. 1: The output from the backup port is always at...

2 months ago

Forum

Energy Storage

RE: New Fogstar 15.5kWh upright solution

That diagram is almost useless @batpred The Solis inverter itself is 'off-page' to the left,and they haven't even bothered to label the two mains co...

2 months ago

Forum

Energy Storage

RE: New Fogstar 15.5kWh upright solution

I'm finding it difficult to follow your descriptions. There are two different classes of grid-tied inverter: 1: Those which synchronise to the 50H...

2 months ago

Forum

Energy Storage

RE: Isolating the system for a planned power cut

That's correct. I was mentioning it as something which would be a future requirement. Both arc-detection and surge suppression devices (SPD) are l...

2 months ago

Forum

Solar Photovoltaic (PV)

RE: New Fogstar 15.5kWh upright solution

Yes, there's a mass of technical assistance available from contributors to the DIY Solar Power Forum. They tend to be more technically knowledgeable...

2 months ago

Forum

Energy Storage

RE: Electricity price predictions

I hear what you say about the levies which are loaded onto the electricity bills. But I still think the infrastructure upgrades are the biggest prob...

2 months ago

Forum

Electricity, Tariffs, Monitoring & Providers

RE: New Fogstar 15.5kWh upright solution

What do you mean by "the software"? Are you referring to a piece of code which runs on a PC and just does upgrades (via a serial port perhaps)? Or...

2 months ago

Forum

Energy Storage

RE: New Fogstar 15.5kWh upright solution

Have you tried going to Fogstar's website and looking for downloads? It took me about 10secs to find the instructions there! 🤔

2 months ago

Forum