GE T60 Instruction Manual page 266
Transformer protection system
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PRODUCT SETUP
ANALOG IN 1 VALUE
Range: any FlexAnalog operand
Default: OFF
This setting selects the FlexAnalog operand whose value is mapped into the IEC 61850 data attribute
<LDName>/GGIO4.AnIn01.instMag.f. The value of the FlexAnalog operand is converted automatically to the format and
scaling required by the standard, that is to say primary amperes, primary volts, and so on. See Appendix A for a list of
5
FlexAnalog operands.
ANALOG IN 1 DB
Range: 0.000 to 100.000% in steps of 0.001
Default: 0.000%
This setting specifies the deadband for the
deadbanded magnitude from the instantaneous magnitude. The deadband is a percentage of the difference between
the "max." and "min." values. Here, the "max." and "min." are as specified by the settings
.
1 MIN
See the Deadband Settings section earlier for a description of deadbanded values.
ANALOG IN 1 MIN
Range: -1000000000.000 to 1000000000.000 in steps of 0.001
Default: 0.000
This setting specifies the "min." value used in deadband calculations. The scaling of this setting is the same as used by
<LDName>/GGIO4.AnIn01.instMag.f. This setting is stored as an IEEE 754 / IEC 60559 floating point number. Because of
the large range of this setting, not all possible values can be stored. Some values are rounded to the closest possible
floating point number.
ANALOG IN 1 MAX
Range: -1000000000.000 to 1000000000.000 in steps of 0.001
Default: 1000000.000
This setting specifies the "max." value used in deadband calculations. The scaling of this setting is the same as used by
<LDName>/GGIO4.AnIn01.instMag.f. This setting is stored as an IEEE 754 / IEC 60559 floating point number. Because of
the large range of this setting, not all possible values can be stored. Some values are rounded to the closest possible
floating point number.
5-84
Figure 5-38: GGIO4 panel
. The deadband is used to determine when to update the
ANALOG IN 1 VALUE
T60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
and
ANALOG IN 1 MAX
ANALOG IN
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