ABSTRACT
It is confirmed that the electrical energy demand and hence the electrical
operating cost for the pumping stations network of Egypt are substantial.
Hence any attempt for energy cost saving at the pumping stations network of
the country will be very much appreciated. An experimental model of multipump type, pumping station installed to apply and verify the modern concepts
of power saving in the irrigation pumping stations of Egypt. This model is
built-up to acquire also the intelligent management and control strategies. The
fundamental concepts are to design the pumping station taking into
consideration the mechanical problems elimination. The first part of energy
saving is accomplished by the electronic soft starter; it is used to eliminate the
cavitations phenomena. Also, It is used for soft stopping, which eliminates the
water hammering problems. The second part, which is the main part of the
energy saving, is the management of the output water delivery. To meet the
variable needs, the experimental pumping station consists of five identical
water pumps. A variable speed derive is used when the water demand is
covered by a fractional of the rated flow of a water pump. The management
and control of the pumps operation is carried out by a programmable logic
controller ( PLC ). The linguistic experience and intelligent operation of this
pumping station that is collected from the related senior human being is stored
and operated also by the PLC. Experience operations have been carried out by
the concepts of the Fuzzy logic control to determine the number of pumps to be
operated. Intelligent management is obtained using principals of the artificial
intelligence programming.
The verification of the results gives a good
agreement between the results obtained from the application of each concept
and the target of that concept.
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