Motor Protection
7.2 Unbalance Protection
SIMOCODE PRO V PN FDI
28 Programming and Operating Manual, 05/2020, A5E44499659002A/RS-AA/001
7.2 Unbalance Protection
Unbalance Protection
The extent of the phase unbalance can be monitored and transmitted to the control system.
A definable and delayable response can be tripped when an adjustable level is exceeded. If
the phase unbalance is greater than 50 %, a reduction of the tripping time according to the
overload characteristic curve takes place automatically since the heat development in motors
increases with asymmetric conditions.
Level (CiR)
The limit of the unbalance to which SIMOCODE pro is to react when overshot is set here.
Response
Here you can choose the response of SIMOCODE pro in case of phase unbalance:
Delay (CiR)
The unbalance limit must be exceeded for the period of the set delay time before
SIMOCODE pro executes the desired response. Otherwise, there is no reaction.
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