FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering and can be used for determination of rotor angular position of electric motors of synchronous machines class with excitation winding. Method for determining rotor angular position of electric motors of a class of synchronous machines with excitation winding is realized by performing steps on which high-frequency signal is injected into stator winding, obtaining a signal response from the excitation winding, comparing the phase of the injected signal and the response phase in the excitation winding, the difference of which determines the angular position of the electric motor rotor.
EFFECT: technical result is provision of high-accuracy determination of rotor position of electric motors of synchronous machines class with excitation winding at zero and low speeds.
1 cl, 4 dwg
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