Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 163

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Rockwell Automation Publication 193-UM015B-EN-P - June 2014 163
Protective Trip and Warning Functions Chapter 5
Under kVAR Generated Inhibit Time
Under kVAR Generated Inhibit Time (Parameter 394) allows the installer to
inhibit an under power factor leading trip and warning from occurring during the
motor starting sequence. It is adjustable from 0…250 seconds.
Table 158 - Under kVAR Generated Inhibit Time (Parameter 394)
Over kVAR Generated Inhibit Time
Over kVAR Generated Inhibit Time (Parameter 398) allows the installer to
inhibit an over reactive power (kVAR) generated trip and warning from
occurring during the motor starting sequence. It is adjustable from 0…250
seconds.
Table 159 - Over kVAR Generated Inhibit Time (Parameter 398)
Under kVAR Consumed Trip
The E300 Electronic Overload Relay will trip with an Under kVAR Consumed
indication if:
No trip currently exists
Under kVAR Consumed Trip is enabled
Current is present
Voltage is present
Under kVAR Consumed Inhibit Time has expired
The total reactive power (kVAR) consumed is less than the Under kVAR
Con
s
umed Trip Level for a time period greater than the Under kVAR
Consumed Trip Delay.
If the E300 Electronic Overload Relay trips on an under reactive power (kVAR)
consu
med, the:
Default Value 10
Minimum Value 0
Maximum Value 250
Parameter Type USINT
Size (Bytes) 1
Scaling Factor 1
Units Sec
Default Value 10
Minimum Value 0
Maximum Value 250
Parameter Type USINT
Size (Bytes) 1
Scaling Factor 1
Units Sec
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