GE IS200GGXIG1AFE channel assembly module
Load Rejection is used when the possibility of large load transients could trip the turbine out on overspeed. For example, when a generator breaker opens, while load is on the turbine. This logic, when set to True, will sample the fuel demand setting at the time the breaker is closed, will limit the Maximum PID output to this value, and will pulse the Integral Gain value of the PID, if the speed changes faster then the values listed: LD REJ SPD CHG, and LD REJ PERCENT SPEED). Note: This menu item was added in revision “G” version of software. It will not show up in previous versions.
This value when exceeded
and the USE LOAD REJECTION? Value is true, and the LD REJ PERCENT SPEED (%) is exceeded, will enable the load rejection logic. Note: This menu item was added in revision “G” version of software. It will not show up in previous versions. 15 LD REJ PERCENT SPEED (%) dflt=102.0 (10000, 105.0) This value when exceeded, and the USE LOAD REJECTION? Value is true, and the LD REJ SPD CHG (RPM/SEC) is exceeded, will enable the load rejection logic. Note: This menu item was added in revision “G” version of software. It will not show up in previous versions..
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