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Monday, October 5, 2015

Solar Water Pumping System

A water pumping system needs a source of power to operate. In general, AC powered system is  economic and takes minimum maintenance when AC power is available from the nearby power grid. However, in many rural areas, water sources are spread over many miles of land and power lines are scarce. Installation of a new transmission line and a transformer to the location is often prohibitively expensive. These systems are portable and easy to install maintenance, and  furthermore  diesel fuel is often expensive and not readily available in rural areas of many developing countries.

The use  of  solar  PV  Module  for  water  pumping  is  one  of  the  most  attractive applications  due  to several advantages. Igeneral  a solar water pumping system consists of PV modules, Motor, Pump, Inverters and storage tank. The storage tank can be thought of as an energy storage  media like batteries. Therefore the use of battery is not required for water pumping application. Also a DC motor can directly be coupled with a solar PV Panel avoiding the use of an inverter. An AC Motor can also have a maximum power point tracking (MPPT) device.

                                            Solar power irrigation water pump at Kurigram

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