S&G Wooldridge

Sola  Controla

Solar PV  heating controller.

    The Sola Controla sense and control unit accurately measures  power and direction ( export/import) and outputs a 0-10 volt control signal to drive external load controller Using external proportional load controllers, no need to change the immersion heater unlike simple switcher units. Uses every last  fractional KWatt to dump excess generated Solar PV power into the load. Highly accurate export power sense and control unit accuracy 1% when used in closed loop, equivalent to class 1 Unlike other systems this will constantly monitor for excess power generated over consumed power. You will not spend a single penny unnecesarily on water heating again with this system! ( assumes of course your solar array is adequately sized) Other simple switcher systems merely monitor when PV power is generated wait for an excess of say 1kW then switch on the heater. Such systems A/ waste that first KW and B/ don’t take into account other energy consumed in the premises. eg washing machines , microwaves, ovens, freezers. which mean you can be paying after all for water heating under import tariffs Our Solar PV power controller constantly monitors these consumer loads to reduce consumption below generated power, and can divert all available surplus power to the load or loads using suitable external load controllers. Can drive multiple using external voltage controlled load controllers so even when water is up to temperature  and the thermostat switches off, the excess power can be used as background heating. This Solar PV controller therefore uses every last unit of excess power generated. Is it legal? Yes Is it ethical? Yes, solar power thus used merely displaces alternative higher cost energy  for water and heating. Is it environmentally sound? Yes Using generated power at source saves energy distribution losses which would otherwise heat the environment . (Applies to both the exported energy and imported alternative heating energy eg oil, gas etc) Produced and manufactured in UK. Solar PV Controller type SPVHC/1  power sense and control unit   £245 plus 20% VAT recorded delivery £10 Should easily pay for itself within two years especially if used for background heating and hot water. The remainder of the 25 year life of your Solar PV and controller will give you free heat and power. There are very few if any legal schemes to give a 50% ROI Payment accepted by BACS or Paypal ( please add 4% for Paypal charges) Note that you do not require a higher rating load controller  than your Solar PV peak power. The Sola Controla export power sense and control unit consumes less than 3 watts and outputs a 0-10 volt control signal which can be used to drive external load controllers Examples of external load controllers which can be controlled using the Sola Controla:-
  • Voltage controlled Switching inverters
  • Voltage controlled Motor inverters ( to drive fans etc.)
  • Voltage controlled Electric Vehicle chargers eg Mainpine EVSE
  • Voltage controlled heating controllers
Typically used in closed loop mode with the above  to maximise use of PV Solar power The Sola Controla Sense and control unit consumes less than 3 watts.            


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