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| Solar Power If grid electricity is not available or is too costly for connection to your home, solar energy is a reliable and self-sustaining alternative to fuel generators or power lines. Latronics® Inverters have been specifically designed for remote locations where continuous and reliable operation is of paramount importance. With one of the lowest failure rates in the world, Latronics® have Inverters that are still operational after 18 years of continuous service. This is achieved by utilising a design methodology that uses the least amount of components and connections, whilst exceeding performance levels of other products. Listed below are some relevant questions and answers that will help when choosing an Inverter for your solar system. What is the difference between Modified Squarewave (also called Modified Sinewave or Quasi Sinewave) and True Sinewave? The Modified Squarewave output is a stepped approximation of the Sinewave. The Sinewave output duplicates grid power. Do I need Sinewave or Modified Squarewave? More and more modern appliances are now fitted with electronic control circuits that require a pure sinewave to operate correctly. In domestic Solar Power Systems where a wide range of appliances will be used we recommend to only use a sinewave Inverter. Sinewave Inverters should be used for the following appliances: TV, VCR, computer, fax, printers, light dimmers, fans and any variable speed motors. Why is DC / AC isolation important? If the DC and AC are not isolated the Inverter would place dangerous AC voltages on the battery terminals and greatly increase the potential for electric shock. All Latronics® Inverters are completely isolated from input to output via a toroidal transformer. This gives an isolation rating of 3500 V between the DC input and AC output. Active and neutral are both floating with respect to the DC input and earth. What is the benefit of a toroidal transformer vs a switchmode transformer? There are 2 styles of Inverter technology. High frequency switchmode transformer and toroidal transformer technology. Each technology has advantages and disatvantages.The high frequency switchmode Inverter is physically smaller and weights less, however it is unable to supply large currents and therefore has a greatly reduced surge capacity. The toroidal transformer, while larger and heavier, can supply large currents and is far better suited for applications which require high surge currents. i.e. motors, fridges, power tools, microwaves, pumps, TV's etc. |