Research on inter‐turn short circuit of armature windings in the multiphase synchronous generator–rectifier system

Sun, Yuguang; Wang, Shanming; Huang, Ziguo; Mu, Shujun

doi:10.1049/joe.2018.0026

Cited by 6 publications

(6 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is still conducting when the series EMF of three-phase windings is at its maximum. However, it is also noted that although the flux linkage generated by the stator field current and [3,4,7,8,13,16,17,20] other winding currents will still induce an EMF in the faulty phase, the armature current of phase 11 will always be zero after the fault due to the lack of leads at both ends of the winding and the inability to form a conducting circuit with the load.…”

Section: Analysis Of Armature Current Under the Awopfmentioning

confidence: 99%

“…Based on model analysis, signal processing, artificial intelligence and other analysis methods, the fault diagnosis method using electrical signals and physical signals (such as pressure, vibration and temperature) are proposed. Additionally, there are also some references dealing with the fault analysis of the multiphase brushless exciter, mainly involving the fault analysis of rectifier [12][13][14], analysis of open-phase operation [15][16][17][18], inter-turn short-circuit of stator and rotor [19][20][21], sudden short-circuit of DC side [22] and other aspects. However, References [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] are mainly related to the three-phase brushless exciter and multi-phase star-type brushless exciters.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Analysis of armature winding open‐phase fault in multi‐phase annular brushless exciter at nuclear power plant

Chen

Wang³

et al. 2021

IET Electric Power Appl

View full text Add to dashboard Cite

The multi-phase annular brushless exciter (MPABE) of nuclear power plants has suffered numerous armature winding open-phase faults (AWOPF) in the field operation. In order to achieve reliable protection of the MPABE, its AWOPF is systematically studied through theoretical analysis, simulation calculation and model machine experiments. First, proceeding from the armature current waveform in normal operation and the influence of the AWOPF on it, the armature reaction magnetomotive force (MMF) is analysed deeply. Then, the theoretical analysis about the harmonic electromotive force (EMF) induced by armature reaction MMF on the field winding is presented, obtaining the harmonic characteristics of field current: the even-order field harmonic currents increase obviously under the AWOPF. Finally, correlate experiments and simulations were performed on a customized experimental prototype. The experimental and simulation results are consistent and verify the conclusion of the theoretical analysis, which can serve as a theoretical basis for the monitoring and diagnosis method of the AWOPF in the MPABE. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

show abstract

Section: Analysis Of Armature Current Under the Awopfmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis of armature winding open‐phase fault in multi‐phase annular brushless exciter at nuclear power plant

Chen

Wang³

et al. 2021

IET Electric Power Appl

View full text Add to dashboard Cite

show abstract

“…Then, the instantaneous voltage of other switches in the same three-phase rectifier could be calculated according to the equations similar to (20)- (23).…”

Section: Diode Turn On-and-off Criterion and Simulation Processmentioning

confidence: 99%

“…As shown in the literatures [22, 23], multiplied by the connection matrix in the left, the voltage equations of the components (6) could be transformed into those of the actual conduction loops. Moreover, then, the voltage equations of the actual conduction loops could be solved.…”

Section: Mathematical Modelmentioning

confidence: 99%

See 1 more Smart Citation

Analysis of armature inter‐turn fault in the multiphase synchronous generator‐rectifier system

Sun

Wang

Wei

et al. 2019

IET Electric Power Applications

Self Cite

View full text Add to dashboard Cite

The multiphase synchronous generator-rectifier system could provide an ideal DC power source for more electric aircraft (MEA). When the inter-turn short-circuit fault occurs in phase windings of the generator, a large short-circuit current would be introduced inside the armature windings, which could cause severe damages to the system for overheat in the windings and irons as well as huge electromagnetic forces on the end coils. To improve the reliability of the MEA, this study researches on the inter-turn fault of the multiphase generator-rectifier system including the theoretical analysis, numerical simulation and experiment verification. A 12-phase system is taken, for example, and a multi-loop mathematical model is built up to calculate all voltages and currents in the multiphase synchronous generator-rectifier system with armature inter-turn fault. Many factors are thoroughly considered in the model including the location and short turns of fault, space harmonics of the airgap magnetic field and the changing circuit topology of the system. Moreover, the mathematical model is verified by fault experiment results. Moreover, the electric characteristics of the fault are summarised, which could provide a quantitative basis for early detection of the inter-turn faults in the multiphase generator-rectifier system.

show abstract

Analysis of Temperature Change in a Permanent Magnet Synchronous Generator under Load due to Stator Winding Inter-Turn Short Circuit

Barrett

2021

2021 International Conference on Electrical Drives &Amp; Power Electronics (EDPE)

View full text Add to dashboard Cite

Research on inter‐turn short circuit of armature windings in the multiphase synchronous generator–rectifier system

Cited by 6 publications

References 13 publications

Analysis of armature winding open‐phase fault in multi‐phase annular brushless exciter at nuclear power plant

Analysis of armature winding open‐phase fault in multi‐phase annular brushless exciter at nuclear power plant

Analysis of armature inter‐turn fault in the multiphase synchronous generator‐rectifier system

Analysis of Temperature Change in a Permanent Magnet Synchronous Generator under Load due to Stator Winding Inter-Turn Short Circuit

Contact Info

Product

Resources

About