GE B30 Instruction Manual page 461
Bus differential system
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Also See for B30:
- Instruction manual (626 pages) ,
- Communications manual (532 pages) ,
- Technical reference manual (252 pages)
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CHAPTER 5: SETTINGS
5.8.7.6 Thermal overload protection (ANSI 49)
SETTINGS CONTROL ELEMENTS MONITORING ELEMENTS THERMAL OVERLOAD PROTECTION
THERMAL PROTECTION 1(2)
THERMAL
PROTECTION 1
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
Figure 5-136: CT trouble logic
THERMAL PROTECTION 1
FUNCTION: Disabled
THERMAL PROTECTION 1
SOURCE: SRC1
THERMAL PROTECTION 1
BASE CURR: 0.80 pu
THERMAL PROTECTION 1
k FACTOR: 1.10
THERM PROT 1 TRIP
TIME CONST: 45 min
THERM PROT 1 RESET
TIME CONST: 45 min
THERM PROT 1 MINIM
RESET TIME: 20 min
THERM PROT 1 RESET:
Off
THERM PROT 1 BLOCK:
Off
THERMAL PROTECTION 1
TARGET: Self-reset
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: 0.20 to 3.00 pu in steps of 0.01
Range: 1.00 to 1.20 in steps of 0.05
Range: 0 to 1000 min. in steps of 1
Range: 0 to 1000 min. in steps of 1
Range: 0 to 1000 min. in steps of 1
Range: FlexLogic operand
Range: FlexLogic operand
Range: Self-reset, Latched, Disabled
CONTROL ELEMENTS
5
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