The servo motor is difficult to start, and the motor speed is much lower than the rated speed under the rated load
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Answers:1
| 1. Fault cause ① The power supply voltage is too low; ② Wrong connection of motor in face connection method; ③ Open welding or fracture of rotor; ④ The local coils of the rotor are wrongly connected and inversely connected; ⑤ Too many turns are added when repairing the motor winding; ⑥ Motor overload. 2. Troubleshooting ① Measure the power supply voltage and try to improve it; ② Correct connection method; ③ Check open welding and breakpoints and repair them; ④ Find out the wrong connection and correct it; ⑤ Restore the correct number of turns; ⑥ Load shedding. |
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