Electromagnetic structure for angle sensor and angle sensor

An electromagnetic structure for an angle sensor, comprising:

• a stator assembly comprising a stator core and stator windings, wherein the stator windings are provided on a side of the stator core, and the stator windings comprise a stator excitation winding and a stator angle winding;
• and the stator excitation winding and the stator angle winding are stacked, and the stator excitation winding is configured to connect an external alternating current (AC) power supply;
• and
• a rotor assembly comprising a rotor core and rotor windings, wherein the rotor windings are provided on a side of the rotor core, and the rotor windings are located on a side of the stator winding away from the stator core;
• an air gap is formed between the stator windings and the rotor windings, and the rotor windings comprise a rotor excitation winding and a rotor angle winding;
• and the rotor excitation winding and the rotor angle winding are stacked, and the rotor excitation winding is electrically connected to the rotor angle winding.