Energy Saving and Safe Operating Modes of the Large Irrigative Pumping Stations

Energy Saving and Safe Operating Modes of the Large Irrigative Pumping Stations

Vladimir Aleksandrovich Khokhlov (Turin Polytechnic University in Tashkent, Uzbekistan), Aleksandr Vasilevich Khokhlov (Vodopodyomnik, Uzbekistan) and Janna Olegovna Titova (Tashkent State Technical University, Uzbekistan)
DOI: 10.4018/978-1-5225-3867-7.ch008

Abstract

This chapter describes the methods and devices of energy-saving regulation for irrigative pumping stations based on principles of power loss reduction in pressure pipelines. These concepts are scientifically substantiated and developed. Protection of the main power equipment and pipelines of pumping stations from water at transients are developed and devices for their implementation are designed. The use of the research results will make it possible to plan the electric energy consumption, to make an estimation of power-hydraulic equipment operation quality and safety, to find the sources of energy loss and ways to reduce working at the pumping stations in the rural branches of economy.
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In the world, the questions of reliability and uninterrupted operation of pumping stations during steady and transient conditions, the creation of new techniques and technologies of protection of the power equipment and pipelines of pumping stations against sudden transients are becoming particularly important.

In this area, the implementation of targeted research in developing the methods of control the steady and transient modes of pumping stations operation are the priority problems. Among them the creation of the main power equipment and pipelines protection devices against water hammer, the creation of technical solutions and improving the reliability of the power equipment. They include following: principles of smoothing of water hammer pulsation at pumping stations and new air valves for pressure normalization are developed (Val-Matic Valve & Manufacturing, 2016); drives to ensure different closing speed for different parts of the valve stroke in the case of transients at pumping stations are designed (Sipos Aktorik, 2016); automatic control valves, in which the output speed adjustment is performed separately for normal and emergency operation modes of the pumping stations are developed (GA Valves, 2016) and many others.

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