Motor protection
SIMOCODE pro
3-14 GWA 4NEB 631 6050-22 DS 03
3.4 Stalled rotor protection
Description
After the motor current exceeds an adjustable stalled rotor level (current
limit), a definable and delayable response can be parameterized in
SIMOCODE pro. For example, the motor can quickly be set to trip,
independently of the overload protection.
Stalled Rotor Protection is only active after the parameterized class time has
elapsed (e.g. for Class 10 after 10 seconds), and prevents unnecessarily high
thermal and mechanical loads, as well as premature aging of the motor.
Level
Upon exceeding the stalled rotor level, SIMOCODE pro reacts according to
the selected response.
Range:
Response
Here you can determine the response when the stalled rotor level is
exceeded:
See "Tables of responses of SIMOCODE pro" in Chapter "Important
information" and the "Responses" table in Chapter 3.1 "Introduction".
Delay
The "Delay" parameter determines the amount of time that the stalled rotor
level must be constantly exceeded before SIMOCODE pro executes the
desired response. Otherwise there will be no reaction.
Adjustment range: 0 - 25.5 s (default: 0.5 s
).
Level: 0 to 1020% of I
s
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