This lesson covers expressions for inductance in salient rotor machine with cylindrical stator and a salient rotor. It explains the concept of self-inductance and mutual inductance, and how these vary with the rotor angle in different machine configurations. The lesson also discusses the impact of the rotor's position on the flux density and inductance of the stator and rotor coils. It further illustrates these concepts with the help of Finite Element Method (FEM) simulation studies. The lesson concludes with an explanation of how to estimate the value of mutual inductance.

- The self-inductance of the stator coil and rotor coil in a machine does not vary with the rotor angle.
- The mutual inductance between the stator and rotor coil is a function of the rotor angle.
- The flux density and inductance of the stator and rotor coils depend on the rotor's position.
- The value of mutual inductance can be estimated using the flux density waveform and the rotor's position.

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