ST-VR76
start-motors
092
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Resolver operating principle
It consists of an excitation winding (also called excitation windings R1-R2) and two-phase orthogonal return windings (S1-S2, S3-S4). When the excitation winding is supplied with a high-frequency excitation signal, the return windings will induce a voltage signal with a certain amplitude and frequency. The output voltage is a high-frequency signal with a sinusoidal envelope, which contains the rotor position information. The relationship between the input and output voltages of the rotary transformer is shown in the figure.
Resolver operating principle
It consists of an excitation winding (also called excitation windings R1-R2) and two-phase orthogonal return windings (S1-S2, S3-S4). When the excitation winding is supplied with a high-frequency excitation signal, the return windings will induce a voltage signal with a certain amplitude and frequency. The output voltage is a high-frequency signal with a sinusoidal envelope, which contains the rotor position information. The relationship between the input and output voltages of the rotary transformer is shown in the figure.