Pumps as Turbines: A User's Guide
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* A classic title updated with a new chapter* Practical energy provision for isolated houses and remote locationsAs interest in the provision of decentralized electricity in the South increases, this practical handbook is as important as ever.'Pumps as Turbines: A user’s guide' is a practical handbook for engineers and technicians involved in designing and installing small water-power schemes for isolated houses and communities. It concerns the use of standard pump units as a low-cost alternative to conventional turbines to provide stand-alone electricity generation in remote locations.This book arises out of the practical experience of fieldwork in village locations in a number of countries.This new edition includes a brand new chapter featuring a case study of a PAT (pump-as-turbine) installation. It covers how to select the type of pump based on site requirements, potential pump modifications and caution with single-phase pumps.
ForewordAcknowledgementsIntroductionDiagram of Pump Components1Applications for pumps as turbines12Why use a pump as a turbine?23Choice of pump type84Pump and turbine performance curves165Design of the civil works236Design of the electrical system287Selecting a pump as turbine for a particular site338Operation of a pump as turbine409Scheme case studies45App. APump as turbine operation at reduced flow55App. BParallel operation of pumps as turbines56App. CSyphon intake for intermittent operation59App. DTypical efficiencies of induction motors60App. EUnit conversion for head and flow61App. FEstimating pump performance from physical measurements62App. GCalculating safe wall thickness for steel pipe65App. HSelecting penstock diameter and calculating head loss66Further Reading68Index69
