Polyphase ac electric motor

A polyphase AC electric motor, comprising:

• a stator in which windings of different phases are distribution wound and star-connected, the polyphase AC electric motor being driven by an inverter;
• wherein the winding of each phase includes:
• a first partial conductor that is an input side partial conductor connected to an input terminal,
• an nth partial conductor that is a final partial conductor connected to a neutral point, where n is a natural number greater than or equal to 2, and
• second to n-lth partial conductors that are intermediate partial conductors connected between the first partial conductor and the nth partial conductor;
• a partial conductor disposed adjacent to the first partial conductor of each phase within the stator, or a partial conductor including a coil end portion disposed adjacent to a coil end portion where the first partial conductor extends out of a slot, corresponds to a partial conductor described in any of (1) to (3):
• (1) of the intermediate partial conductors, an ath partial conductor of the same phase or a different phase where voltage takes an extreme value when AC voltage is applied from the inverter, where a is a natural number greater than or equal to 2;
• (2) any of an a−3th to a−1th partial conductors of the same phase or a different phase, or any of an a+1th to a+3th partial conductors of the same phase or a different phase connected to the intermediate partial conductor taking the extreme value;
• (3) any of a n−3th to nth partial conductors of the same phase or a different phase.