| ① | Industrial Control Computer | Controls instruments via installed testing software. | 
| ② | Dynamometer | Applies load to the tested motor and feeds back torque and speed signals. | 
| ③ | Loading Controller | Controls the dynamometer’s load, collects signals, calculates torque and speed, supports open/closed-loop control, and communicates with the PC. | 
| ④ | Electrical Parameter Meter | Measures voltage and current of the tested motor and communicates with the PC. | 
| ⑤ | Motor Power Supply | Supplies power to the tested motor with communication and external voltage compensation functions. | 
| ⑥ | Test Bench | Supports and holds the dynamometer and test fixtures. | 
| ⑦ | Fixtures | Secures the tested motor. | 
| ⑧ | Test Cabinet | Houses instruments, insulating boards, and safety devices for testing. |