| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnet temperature estimation device and a magnet temperature estimation method, capable of accurately estimating the magnet temperature of a magnet included in a rotor of a rotary electric machine.SOLUTION: A magnet temperature estimation device 10 has a magnet temperature calculation part 132 for estimating the magnet temperature of a magnet included in a rotor of a rotary electric machine 12. The magneto temperature calculation part 132 estimates the magnet temperature using at least a parameter related to a transmission 22 (a planetary gear mechanism) coupled with the rotary electric machine 12. |
