Influence of rotor excitation source model in electromagnetic field–circuit coupling analysis model of tubular hydro‐generator on no‐load voltage waveform and damper winding loss calculation results

Author:

Gu Shi‐fu1,Bian Zu‐ying1,Zhou Zhi‐ting1,Fan Zhen‐nan1ORCID,Yang Yong2,Li Jing‐can3

Affiliation:

1. Key Laboratory of Fluid and Power Machinery Ministry of Education Xihua University Chengdu China

2. Research and Test Center Dongfang Electric Machinery Co., Ltd Deyang China

3. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing China

Abstract

AbstractIn this study, a 34‐MW tubular hydro‐generator was selected as the study example. For the electromagnetic field–circuit coupling analysis model, the effects of the ideal DC voltage and current sources (i.e. two models of the rotor excitation power supply) on the no‐load voltage waveform quality and the damper winding loss calculation results were studied by considering the influence of the electromagnetic induction of the rotor excitation winding. The obtained results provide direct and effective theoretical support and technical reference for improving the accuracy and rationality of the calculation results of the electromagnetic performance parameters and the analysis, design, manufacturing and operating level of such generators.

Publisher

Institution of Engineering and Technology (IET)

Subject

Electrical and Electronic Engineering

Reference15 articles.

1. A non-linear time-stepped finite-element simulation of a symmetrical short-circuit in a synchronous machine

2. Transient current study of hydro‐generator stator winding internal fault;Ge B.‐J.;Electr. Mach. Control,2014

3. A parametric modeling method for the field ‐ circuit coupled model of synchronous generators;Liu Z.‐H.;J. Harbin Univ. Sci. Technol.,2018

4. Modeling of field‐circuit‐network coupled time‐stepping finite element for one machine infinite bus system based on excitation and speed control;Ge B.‐J.;Trans. China Electrotech. Soc.,2018

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