DETERMINATION OF ELECTROMAGNETIC PARAMETERS AND PHASE RELATIONS IN TURBO-GENERATORS BY THE AUTOMATED CALCULATION OF THE MAGNETIC FIELD IN THE SOFTWARE ENVIRONMENT FEMM

Authors

DOI:

https://doi.org/10.20998/2074-272X.2016.1.05

Keywords:

Finite Element Method Magnetics, program FEMM, turbo-generator, electromagnetic parameters, phase relationships, automated calculations, Lua script

Abstract

The theoretical bases of calculation of electromagnetic quantities and time-phase relationship are presented for the turbo-generators. This is done by numerical calculations of the magnetic field in the software environment package FEMM (Finite Element Method Magnetics). A program which controls calculations and organizes the issuance of the results to a text file is created on the algorithmic language Lua. The program is universal in terms of a turbo-generator models, as well as steady-state modes of their work with a minimum of input data. The exciting current of the rotor and the phase currents of three-phase stator winding in accordance with their initial phase are given for the calculation of the magnetic field. The key function for the analysis of electromagnetic parameters is the calculated angular function of the magnetic flux phase stator winding. The expansion in the harmonic series is carried out and amplitude and initial phase are received for this function. Next, the phase EMF and voltage, phase shifts between all values, active power, electromagnetic torque, the magnetic flux in the gap and other parameters are determined. The presented Lua script is a prototype for a similar calculation software of electric machines of other types.

Author Biographies

V. I. Milykh, National Technical University "Kharkiv Polytechnic Institute"

Doctor of Technical Science, Professor

N. V. Polyakova, National Technical University "Kharkiv Polytechnic Institute"

Engineer

References

Meeker D. Finite Element Method Magnetics. FEMM 4.2 32 bit 11 Oct 2010 Self-Installing Executable. Available at: www.femm.info/wiki/OldVersions (accessed 10 March 2014).

Milykh V.I., Polyakova N.V. Numerically-field calculations of the electromagnetic parameters of turbogenerators. Visnyk NTU «KhPI» – Bulletin of NTU «KhPІ», 2014, no.38(1081), pp. 3-18. (Rus).

Milykh V.I., Polyakova N.V. Automated formation of calculation models of turbogenerators for software environment FEMM. Elektrotekhnіka і elektromekhanіka – Electrical engineering & electromechanics, 2015, no.4, pp. 7-14. (Rus).

Milykh V.I., Polyakova N.V. Automated calculations of the dynamics of turbogenerator electromagnetic processes in software environment FEMM. Elektrotekhnіka і elektromekhanіka – Electrical engineering & electromechanics, 2015, no.6, pp. 24-30. (Rus).

Titov V.V., Hutoreckij G.M., Zagorodnaja G.A., Vartan'jan G.P., Zaslavskij D.I., Smotrov I.A. Turbogeneratory [Turbogenerators]. Leningrad, Energiia Publ., 1967. 895 p. (Rus).

Milykh V.I., Polyakova N.V. Analysis of phase relationships of electromagnetic parameters in a turbogenerator on the basis of numerical calculation of magnetic fields. Elektrotekhnіka і elektromekhanіka – Electrical engineering & electromechanics, 2003, no.4, pp. 59-64. (Rus).

Milykh V.I., Polyakova N.V. A system of directions and phase relationships for electromagnetic parameters at numerical calculations of magnetic fields in a turbogenerator. Elektrotekhnіka і elektromekhanіka – Electrical engineering & electromechanics, 2011, no.5, pp. 33-38. (Rus).

Milykh V.I., Polyakova N.V. Bases of numerical analysis of phase correlations of electromagnetic sizes are in a turbogenerator. Elektrika – Electrician, 2012, no.3, pp. 31-33. (Rus).

Milykh V.I., Polyakova N.V. Organization of numerical calculation of turbogenerator magnetic field under load with specified output parameters control. Elektrotekhnіka і elektromekhanіka – Electrical engineering & electromechanics, 2012, no.1, pp. 36-41. (Rus).

Published

2016-03-12

How to Cite

Milykh, V. I., & Polyakova, N. V. (2016). DETERMINATION OF ELECTROMAGNETIC PARAMETERS AND PHASE RELATIONS IN TURBO-GENERATORS BY THE AUTOMATED CALCULATION OF THE MAGNETIC FIELD IN THE SOFTWARE ENVIRONMENT FEMM. Electrical Engineering & Electromechanics, (1), 26–32. https://doi.org/10.20998/2074-272X.2016.1.05

Issue

Section

Electrical Machines and Apparatus

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