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E-OV: When is regenerated over-voltage protection activated? How should I handle it?

ID:
40275
Issued:
Mar 22nd, 2017
Updated:
Dec 3rd, 2019

E-OV: When is regenerated over-voltage protection activated? How should I handle it?

ANSWER

■ Causes
The motor shuts down if the direct voltage inside rises to the set value due to regenerative operation.
Thresholds are: DC 205 V for 100 V products and DC 410 V for 200 V products.


■ Action
If a shutdown occurs during operation, a short deceleration time may be one of the causes. Adjust deceleration time. Attaching an external regenerative resistance may solve the problem.

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