Induction Generator Connected to a Standalone Synchronous Generator


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Hi all,

Assume a standalone synchronous generator feeding power to a single induction machine which is made to run as induction generator at super-synchronous speed without any external electrical load connected to the machine busbars.

What will be the behavior of the induction machine under these conditions at super synchronous speeds? If zero active power flows into the busbars (no load), will the induction generator rotor current also be zero? (transformer action). But how is this possible, especially since the rotor conductors are being continuously cut by the stator magnetic field above synchronous speed?! please explain