Parameterization
SRW 01 | 5-53
5
Description:
It defines the phase loss (voltage) to shut down the motor or signal an alarm. If P652 = 0, the function is disabled.
P653 – Phase Loss Protection Action (Voltage)
Adjustable
Range:
0 = Alarm
1 = Switch Off (Trip)
Factory
Setting:
1
Proprieties:
Sys, rw
Description:
It defines the phase loss (voltage) protection.
NOTE!
Use this protection to detect and protect the motor against unbalance levels over 35 %. For an
unbalance level lower than or equal to 30 %, use the Voltage Unbalance protection.
NOTE!
The phase loss (voltage) protection only works for three-phase motors and is only available when the
Current/Voltage Measurement Unit (UMCT) is used.
5.7.19 Overvoltage
This protection allows to monitor the voltage maximum variations. When some voltages measured exceed the limit
adjusted in parameter P654 for the time defined in parameter P655, the motor can be shut down or just an alarm
can be activated, according to parameter P656.
P654 – Overvoltage
Adjustable
Range:
1 to 30 %
Factory
Setting:
15 %
Proprieties:
Sys, rw
Description:
It defines the overvoltage percentage in relation to the motor rated voltage (P400).
P655 – Overvoltage Time
Adjustable
Range:
0 = Disable
1 to 99 s Enabled
Factory
Setting:
3 s
Proprieties:
Sys, rw
Description:
It defines the overvoltage time to shut down the motor or signal an alarm. If P655 = 0, the function is disabled.
P656 – Overvoltage Protection Action
Adjustable
Range:
0 = Alarm
1 = Switch Off (Trip)
Factory
Setting:
1
Proprieties:
Sys, rw
Description:
It defines the overvoltage protection action.
Summary of Contents for SRW 01
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