Scientific and Technical Journal

ELECTROTECHNIC AND COMPUTER SYSTEMS

ISSN Print 2221-3937
ISSN Online 2221-3805
ANALYSIS OF THE MODES OF PUMPS PRESSURE REGULATION WITH SYNCHRONOUS ELECTRIC DRIVE
Abstract:

The mathematical model of the pumps pressure control systemwiththe frequency-controlled synchronous electric drive has been developedby using object-oriented mathematicalmodellingmethod. Themathematicalmodelofpressurecontrolpumpallowsfor non-linearityofthesynchronousmotoranditsimpactdampersystem.The research results of the transient and steady-state mode of the pressure pump regulation are presented intermsnetworkparameters and pressure reference change and demonstratedfeasibilityofapplyingthelawoffrequencycontrolU/f2 = const whilesimultaneouslychangingtheexcitationcurrent ofthesynchronousmotorinproportiontothefrequencytoimproveefficiencyof pumpssynchronouselectric drive. Theseresultsshowthatinordertostabilizethepressurepumpin a changingnetworkhydraulicresistance isneededtocontrolthespeedin a relativelysmallrange, greaterrangeisneededtocontrolthevalue of pressureandpumpperformance.

Authors:
Keywords
DOI
10.15276/etks.15.91.2014.35
References
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