Patent ID: 11913991
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 12:
13. A rotating electric machine test device for testing a rotating electric machine including a rotor and a stator, the rotating electric machine test device comprising:
an imager to acquire test image data by imaging a test target portion which is a part of the rotor; and
a change information generator to generate strain change information representing change in a strain distribution in the test target portion by digital image correlation based on the test image data acquired by the imager, wherein
the rotor includes a rotor core extending in an axial direction and storing a winding, and a retention ring attached to an attachment portion provided at an end in the axial direction of the rotor core, the retention ring retaining the winding, and
the test target portion is provided at the retention ring.