GE 489 - Manual (Page 106)

4-56 489 Generator Management Relay GE Multilin
4.10 S9 THERMAL MODEL 4 SETPOINTS
4
4.10.2 MODEL SETUP
a) DESCRIPTION
PATH: SETPOINTS ÖØ S9 THERMAL MODEL Ö MODEL SETUP
„ MODEL SETUP
„ [ENTER] for more
ENABLE THERMAL
MODEL: No
Range: No, Yes
OVERLOAD PICKUP
LEVEL: 1.01 x FLA
Range: 1.01 to 1.25 × FLA in steps of 0.01
UNBALANCE BIAS
K FACTOR
Range: 0 to 12 in steps of 1
A value of "0" effectively defeats this feature
COOL TIME CONSTANT
ONLINE: 15 min.
Range: 0 to 500 min. in steps of 1
COOL TIME CONSTANT
OFFLINE: 30 min.
Range: 0 to 500 min. in steps of 1
HOT/COLD SAFE
STALL RATIO: 1.00
Range: 0.01 to 1.00 in steps of 0.01
ENABLE RTD
BIASING: No
Range: No, Yes
RTD BIAS
MINIMUM: 40°C
Range: 0 to 250°C in steps of 1
Seen only if ENABLE RTD BIASING is "Yes"
RTD BIAS CENTER
POINT: 130°C
Range: 0 to 250°C in steps of 1
Seen only if ENABLE RTD BIASING is "Yes"
RTD BIAS
MAXIMUM: 155°C
Range: 0 to 250°C in steps of 1
Seen only if ENABLE RTD BIASING is "Yes"
SELECT CURVE STYLE:
Standard
Range: Standard, Custom, Voltage Dependent
STANDARD OVERLOAD
CURVE NUMBER: 4
Range: 1 to 15 in steps of 1. Seen only if SELECT
CURVE STYLE is "Standard"
TIME TO TRIP AT
1.01 x FLA: 17414.5 s
Range: 0.5 to 99999.9 in steps of 0.1. Seen only if
SELECT CURVE STYLE is "Standard"
↓
TIME TO TRIP AT
20.0 x FLA: 20.0 x FLA
Range: 0.5 to 99999.9 in steps of 0.1. Seen only if
SELECT CURVE STYLE is "Standard"
MINIMUM ALLOWABLE
VOLTAGE: 80%
Range: 70 to 95% in steps of 1. Seen only if SELECT
CURVE STYLE is "Voltage Dependent"
STALL CURRENT @ MIN
VOLTAGE: 4.80 x FLA
Range: 2.00 to 15.00 × FLA in steps of 0.01.Seen only if
SELECT CURVE STYLE is Voltage Dependent
SAFE STALL TIME @
MIN VOLTAGE: 20.0 s
Range: 0.5 to 999.9 in steps of 0.1. Seen only if SELECT
CURVE STYLE is "Voltage Dependent"
ACCEL. INTERSECT @
MIN VOLT: 3.80 x FLA
Range: 2.00 to STALL CURRENT @ MIN VOLTAGE in
steps of 0.01. Seen only if SELECT CURVE
STYLE is "Voltage Dependent"
STALL CURRENT @ 100%
VOLTAGE: 6.00 x FLA
Range: 2.00 to 15.00 × FLA in steps of 0.01. Seen only if
SELECT CURVE STYLE is Voltage Dependent
SAFE STALL TIME @
100% VOLTAGE: 10.0 s
Range: 0.5 to 999.9 in steps of 0.1. Seen only if SELECT
CURVE STYLE is "Voltage Dependent"
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