GE Multilin T60 Transformer Protection System 5-1695 SETTINGS 5.6 GROUPED ELEMENTS5Figure 5–82: POWER SWING DETECT SCHEME LOGIC (1 of 3)Figure 5–83: POWER SWING DETECT SCHEME LOGIC (2 of 3)FLEXLOGIC OPERANDFLEXLOGIC OPERANDFLEXLOGIC OPERANDSETTINGSSETTINGSETTINGSETTINGPOWER SWING QUADFWD REACH OUT:POWER SWING QUAD REVREACH OUT:POWER SWING OUTERLIMIT ANGLE:POWER SWING MIDDLELIMIT ANGLE:POWER SWING INNERLIMIT ANGLE:OUTER IMPEDANCEREGIONI_1 > PICKUPMIDDLE IMPEDANCEREGIONINNER IMPEDANCEREGIONRUNRUNRUNRUNPOWER SWING REVREACH:POWER SWING MIDDLERGT BLD:POWER SWING INNERRGT BLD:POWER SWINGSHAPE:POWER SWING OUTERRGT BLD:POWER SWING FWDREACH:POWER SWINGSUPV:POWER SWING REVRCA:POWER SWING QUADFWD REACH MID:POWER SWING QUAD REVREACH MID:POWER SWING MIDDLELFT BLD:POWER SWING INNERLFT BLD:POWER SWING FWDRCA:POWER SWING OUTERLFT BLD:POWER SWINGFUNCTION:POWER SWING SOURCE:Enabled = 1Disabled = 0V_1I_1 POWER SWING OUTERPOWER SWING MIDDLEPOWER SWING INNER827840A3.CDRANDANDAND842008A1.CDRSETTINGPOWER SWING SOURCE:I_0I_1I_2| |I_0| - |I_0'|| > K_0SETTINGPOWER SWING FUNCTION:Disabled = 0Enabled = 1| |I_1| - |I_1'|| > K_1| |I_2| - |I_2'|| > K_2RUNORI_0, I_1, I_2 - present valuesI_0', I_1', I_2' - half-a-cycle old valuesK_0, K_2 - three times the average change over last power cycleK_1 - four times the average change over last power cycleAND 04 cyclesTIMER010 cyclesTIMERFLEXLOGIC OPERANDPOWER SWING 50DD
