10.14489/td.2017.06.pp.050-057

2017, 06 June

DOI: 10.14489/td.2017.06.pp.050-057

Shichev P. S., Yagubov Z. H.
DEFINITION OF DIAGNOSTIC SIGNS OF FAULT CONDITION OF CENTRIFUGAL PUMP UNIT IN THE SPECTRUM OF CURRENT OF ELECTRIC MOTOR
(pp. 50-57)

Abstract. The article describes the results of research of the diagnostic features of the failure of a centrifugal pump set in the presence of an eccentricity of the rotor of the engine of various levels, taking into account the change in the operating mode of the pumping unit. The simulation model of a centrifugal pump unit has been designed during the research. It is shown that the diagnostic parameters of the fault are the coefficient of the total harmonic distortion (THD) of the spectrum current of the motor and the amplitude of the second spatial harmonic in the current spectrum. The quantitative dependences of diagnostic parameters on the level of relative eccentricity for the same type of unit of different capacities are given.

Keywords: electromagnetic method of diagnostics, assessment of technical conditions, spectrum of current, informative harmonics, total harmonic distortions (THD), functional diagnostics, fault condition.

+ - About the Authors Click to collapse

P. S. Shichev, Z. H. Yagubov (Federal State Budgetary Educational Institution of Higher Echecation “Ukhta State Technical University”, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

+ - References Click to collapse

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