Device 55 - Power Factor Relay Device (Fixed Minimum Power Factor); Table 6-22 Advanced Motor Protection Menu - Fixed Pickup Minimum Power Factor (Id 7582) - Siemens SINAMICS PERFECT HARMONY GH180 Function Manual

Advanced Motor Protection and RTD Protection Functions

6.20 Device 55 - Power Factor Relay Device (Fixed minimum power factor)

6.20 Device 55 - Power Factor Relay Device (Fixed minimum power factor)
Overview
Fixed pickup minimum power factor is used to protect the motor against operation under
conditions of low power factor that would indicate abnormal conditions in the machine. The
fixed pickup minimum power factor function provides a single minimum power factor setting
that produces a trip or alarm condition when the power factor. The function can be enabled
when the speed demand is above a programmable level. The function can also be enabled
once a programmable time period has elapsed since the starting of the motor.
Note
Encoder Loss
Depending upon the value of parameter 1320 (encoder loss response), when a loss of the
encoder occurs, the drive will either default to the phase locked loop to obtain motor speed
information or the drive will stop.
Device 55 provides parameter status as shown in table
Fixed Pickup Minimum Power Factor .
Table 6-22 Advanced Motor Protection Menu - Fixed Pickup Minimum Power Factor (ID 7582)
Keypad Parameter Text
Tool Parameter Text
Pickup Level
Fixed Minimum Power Factor
Pickup Level
Pickup Delay
Fixed Minimum Power Factor
Pickup Delay
Dropout Level
Fixed Minimum Power Factor
Dropout Level
Dropout Delay
Fixed Minimum Power Factor
Dropout Delay
Low Pass Time Constant
Fixed Minimum Power Factor
Low Pass Time Constant
Minimum Speed
Fixed Minimum Power Factor
Minimum Speed Enable Point
Startup Time
Fixed Minimum Power Factor
Delay from Startup
126
ID Units
7582
7583 sec
7584 %
7585 sec
7586 msec
7587 %
7588 sec
Advanced Motor Protection Menu -
Default Value Minimum - Maximum Value
0.5
1
102
0.1
0
10
5
Advanced Motor Protection for Variable Speed Operation
Manual, AA, A5E46373908A
0.01 - 1
0 - 6000
100 - 200
0 - 6000
0 - 1000
0 - 100
0 - 6000