By Dimitris Papantonis
The constitution of a hydraulic computer, as a centrifugal pump, is developed mostly to meet the necessities of the fluid movement. in spite of the fact that bearing in mind the powerful interplay among the pump and the pumping set up, the necessity to keep an eye on the operation, the requirement to function at top potency with a view to shop power, the availability to enhance the operation opposed to cavitation and different extra particular yet very attention-grabbing and critical issues, the thing of a publication on centrifugal pumps needs to conceal a wide box. the current booklet examines a couple of those extra particular issues, past the contents of a textbook, treating not just the pump's layout and operation but additionally ideas to extend power potency, the fluid circulation keep an eye on, the fault analysis.
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Additional resources for Centrifugal Pumps
P. & Parlos, A. G. (2010). Sensorless Detection of Cavitation in Centrifugal Pumps, International Journal of COMADEM, vol. 13, no. 2, (Apr 2010), pp. 27-33, ISSN 13637681. Harihara, P. , Kim, K. & Parlos, A. G. (2003). Signal-Based Versus Model-Based Fault Diagnosis – A Trade-Off in Complexity and Performance, IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, pp. 277282, ISBN 0780378385, Atlanta, GA, USA, Aug 24-26, 2003. Harris, C. , Schibonski, J.
Any fault in the rotor of the induction motor or in the motor bearings would result in the generation of additional spatial irregularities. This would induce additional spatial harmonics in the motor air-gap flux. These additional harmonics would modulate the voltage frequencies and appear as sidebands in the stator current spectrum. Higher order spectra are used to detect these modulated frequencies in the stator current spectrum. 2 Proposed fault isolation indicator Higher-order spectra is a rapidly evolving signal processing area with growing applications in science and engineering.
E. & Wheeler, D. L. (2004). Pump System Diagnosis, US Patent No: US 6,721,683 B2, Apr 2004. Haynes, H. , Cox, D. F. & Welch, D. E. (2002). Electrical Signature Analysis (ESA) as a Diagnostic Maintenance Technique for Detecting the High Consequence Fuel Pump Failure Modes, Presented at Oak Ridge National Laboratory, Oct 2002. Hernandez-Solis, A. & Carlsson, F. (2010). Diagnosis of Submersible Centrifugal Pumps: A Motor Current and Power Signature Approaches, EPE Journal, vol. 20, no. 1, (JanMarch, 2010), pp.