A study on operation under faults with the single-phase SR generator

This paper studies operation of the multipole single-phase switched reluctance generator (SRG) under faults, in particular an 8/8-pole switched reluctance machine. A new converter topology which connects coils two banks in parallel is proposed. The combination of multiple coils per phase and the con...

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Bibliographic Details
Published in:IEEE transactions on industry applications 1999-07, Vol.35 (4), p.782-789
Main Authors: Sawata, T., Kjaer, P.C., Cossar, C., Miller, T.J.E.
Format: Article
Language:English
Subjects:
Circuit faults
Circuit simulation
Circuit topology
Circuits
Coils
Converters
Equations
Faults
Finite element methods
Mathematical analysis
Power generation
Reluctance
Reluctance generators
Reluctance machines
Simulation
Strontium
Topology
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Summary:This paper studies operation of the multipole single-phase switched reluctance generator (SRG) under faults, in particular an 8/8-pole switched reluctance machine. A new converter topology which connects coils two banks in parallel is proposed. The combination of multiple coils per phase and the converter circuit suggests improved operation under faults compared with conventional topologies. Output power per coil current under faults is studied by finite-element analysis and static torque measurement. Circuit equations under faults are derived and operation under faults is evaluated by simulation. An SRG controller is constructed and experiments are performed. The experimental results support the equations and simulation results. It is concluded that the SRG can continue generating operation, even when open- or short-circuited coil faults occur, with the proposed converter and proper fault detection circuits.
ISSN:0093-9994
1939-9367
DOI:10.1109/28.777185