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Electrical synchronous machine i.e. three-phase synchronous machine, for use as e.g. electrical synchronous motor for electrical car, has electric circuit designed such that phases are switchable between star and single phase configurations
Electrical synchronous machine i.e. three-phase synchronous machine, for use as e.g. electrical synchronous motor for electrical car, has electric circuit designed such that phases are switchable between star and single phase configurations
The machine (101) has a permanent-magnetic rotor associated to a stator. Three phases are formed by conductor windings (107, 109, 111) with input connections (113) and output connections (115). An electric circuit is designed such that the phases are switchable between a star configuration and a single phase configuration. The electric circuit is provided with a low-side-MOSFET and a high-side-MOSFET. The low-side-MOSFET and a high-side-MOSFET are interconnected to half bridges (103, 105) with the input connections and the output connections.
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