Product launched on the day of factory inauguration

Granted provisional patent at the US patent and trademark office. Application no. 61313896. The invention took more than six months of hard work by various people at the company (Solar Semiconductor Pvt. Ltd.). The company is in the process of acquiring full patent.

Application of solar photovoltaic power to run pumps in remote locations is not a new concept. Commercially available systems either use a linear current booster with DC pump or employ a battery, charge controller and inverter to power an AC pump. Both the solutions are not only costly but also ask for regular maintenance. This constricts their usability and market penetration. Moreover the use of special pumps or using batteries renders the system bulky and cumbersome. Therefore a system is designed that can run conventional centrifugal pumps by photovoltaic power without the need of batteries. Additionally a simple yet effective technique of maximum power point tracking is employed that is not only very efficient but also mitigate issues of instability associated with such systems. The inverter used is a low cost variable voltage variable frequency drive generating PWM output. The frequency of the inverter output is controlled so as to match the maximum power generated by photovoltaic array. The said technique is implemented on three different systems operating 3, 5 and 20 HP pump powered by 2.25, 3.825 and 15.3 KW peak photovoltaic array respectively; of which the 3 HP system is portable.

The product based on this technology is marketed under the name Surya Ganga (did I came up with the name?). The technology is company proprietary; for more information contact Solar Semiconductor Pvt. Ltd. (

You can also take a look at the online brochure.

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