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PV systems need an efficient inverter
Posted by Graham Eastwick on 15th May 2009 at 11:07 am
Photovoltaic (PV) cells and modules are only part of the picture when you consider the efficiency of a solar electricity generating station. Key to an effective PV system is an efficient inverter, which converts the direct current (DC) electricity produced to AC (alternating current or mains equiv…
Posted in: Solar electricity
Solar PV: how to tell the difference between panel types
Posted by Cathy Debenham on 25th September 2009 at 9:50 am
Solar PV (photovoltaic) panels come in lots of different types - mostly with long and complicated names - so it's not easy to know what the difference is. Last night I went to an excellent evening organised by the Sid Valley Energy Action Group - a group of enthusiastic volunteers who promote ene…
Posted in: Solar electricity
What's the best mounting for solar panels?
Posted by Chris Rudge on 10th February 2010 at 9:07 am
Flush fitting of a solar photovoltaic (PV) system to generate electricity has both benefits and downsides over the more popular 'on roof' mounting. The benefit is a PV array that is more integrated-looking, although to keep that essential cooling airflow to ensure the system works at maximum effi…
Posted in: Solar electricity
Wind and solar electricity: a practical DIY guide
Posted by Max Sillars on 27th September 2010 at 9:34 am
So many guides to wind and solar electricity repeat the same high level principles that by now we all know, and then fizzle out into lists of pricey sounding specialist consultancies. Not Andy Reynolds! This is definitely the best guide I've read over the last decade. The layout of the informati…
Posted in: Solar electricity, Wind turbines
Do I need to clean my solar panels to maintain efficiency?
Posted by Chris Rudge on 17th November 2011 at 7:33 am
Q: Research seems to suggest that solar PV panels are not especially durable and suffer from failure. Even if they lasted 25 years of time (and I have not seen one company offering the domestic user anything like that length of guarantee), I have read that they deteriorate in efficiency and nee…
Posted in: Solar electricity
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