A salient-pole generator model for harmonic analysis

Author

Dinh, Nhut-Quang ; Arrillaga, Jos

Author_Institution

Dept. of Electr. & Electron. Eng., Canterbury Univ., Christchurch, New Zealand

Volume

16

Issue

4

fYear

2001

fDate

11/1/2001 12:00:00 AM

Firstpage

609

Lastpage

615

Abstract

This paper describes the derivation of a salient-pole synchronous generator harmonic model in the form of a harmonically coupled impedance matrix. In sequence components, the relationship between the generator harmonic voltages and currents in the presence of saliency can be represented by analytical expressions, which are derived from the normally available machine parameters such as direct and quadrature-axis subtransient reactances. Magnetic saturation reduces the rotor angle which leads to changes in the harmonic cross couplings. The generator model is validated by means of time domain simulations and the results from three-phase harmonic measurements of a direct connected generator-HVDC converter unit

Keywords

electric generators; electric reactance; harmonic analysis; harmonic distortion; impedance matrix; machine theory; rotors; time-domain analysis; analytical expressions; direct-axis subtransient reactance; harmonic analysis; harmonic cross couplings; harmonic currents; harmonic voltages; harmonically coupled impedance matrix; magnetic saturation; quadrature-axis subtransient reactance; rotor angle; salient-pole generator model; sequence components; time-domain simulations; Couplings; DC generators; Harmonic analysis; Impedance; Magnetic analysis; Magnetic domains; Rotors; Saturation magnetization; Synchronous generators; Voltage;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.962404

Filename

962404