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Is it a problem that my solar PV reads 280 volts?

Posted by Chris Rudge on 17 March 2017 at 4:50 pm

Is it a problem that my solar PV reads 280 volts?

Q. I have 12 solar panels, six facing east and six facing west. I have two inverters, one of which is a 'Sunnyboy', but I don't know which model. It was checked today and I was told its voltage is 281 when it should be around 240 volts. Is this a problem? Do I need something to reduce…

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Battery storage for solar PV: Which battery to choose?

Posted by Chris Rudge on 30 March 2016 at 12:55 pm

Battery storage for solar PV: Which battery to choose?

Battery storage bolt-on options for existing renewable energy generation systems are now becoming the next 'must have' for people looking to either reduce their energy bills or increase their energy security at times of power cuts. I have been providing different types of battery syst…

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Review of the SOLiC 200 Immersion Controller

Posted by Chris Rudge on 11 August 2014 at 9:06 am

Review of the SOLiC 200 Immersion Controller

In the quest to test as many of the current immersion heater controllers that let you use all your excess solar PV generated power, I got hold of a SOLiC 200 immersion controller to try out. My first impression was that unlike most of the other immersion controllers that are on the market, th…

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How closely should the input of an inverter match the output of a solar array?

Posted by Chris Rudge on 18 November 2013 at 10:31 am

How closely should the input of an inverter match the output of a solar array?

Q: How important is it to match the Max DC input of the inverter, to the maximum possible output of the solar array? Some companies have given me quotes where the output/input are miles different. A: It is standard procedure to install an inverter that is up to 20% lower in power rating than …

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Is all my solar electricity being exported?

Posted by Chris Rudge on 10 October 2013 at 9:22 am

Is all my solar electricity being exported?

Q: I suspect that all the generation from my 3.12 kW Solar photovoltaic panels is being exported as since installation almost 2 years ago my electricity bills have increased rather than reduced despite over 5,000 kWh being generated. How can I check this is the case? A: Any power be…

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