Arc Flash - GE Multilin 850 Instruction Manual

ARC FLASH

Arc Flash
RTDs
NOTE:
6–16
CTS SYM QUOTIENT
Range: 0.00 to 1.00 in steps of 0.01
Default: 0.00
This value is the quotient (I
element.
CTS DIFF CURRENT
Range: 0.000 to 120000.000 A in steps of 0.001
Default: 0.000 A
This value is the differential current magnitude between the calculated 3I0 and the
measured ground current
The CTS Diff. Current reflects the quantity obtained based on the Diff. IG Polarity setting
in the differential check section of the CT Supervision element.
Path:
Metering > Arc Flash > Arc Flash 1
HS Phase Current A/B/C
Range: 0.00 to 120000.00 A in steps of 0.01
HS Ground Current
Range: 0.00 to 120000.00 A in steps of 0.01
Path:
Metering > RTDs
The Temperature can be displayed in Celsius or Fahrenheit degrees. The selection is made
in Setpoints > Device > Installation > Temperature Display.
RTD 1(13)
Range: -40 to 250°C (temperatures < -40°C are displayed as "Shorted" and temperatures >
250°C are displayed as "Open RTD")
/I ) from the symmetry check in the CT Supervision
min max
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: METERING