The four-quadrant energy transducer

  title={The four-quadrant energy transducer},
  author={Erling Nordlund and Chandur Sadarangani},
  journal={Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)},
  pages={390-397 vol.1}
This paper presents the design of a four-quadrant energy transducer (4QT) and description of a novel hybrid system. The 4QT is an electric machine consisting of two combined radial flux machines, one double rotor machine (DRM) and one conventional machine (stator). The purpose of the 4QT is to keep the operation of the internal combustion engine (ICE) in a hybrid vehicle at maximum efficiency during all driving conditions. 
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Comparison between different ways to calculate the induced no-load voltage of PM synchronous motors using Finite Element Methods

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Salient-Rotor Synchronous Motors for an Extended Flux-Weakening Operation Range

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