Siemens LMV52.440B1 - Page 184

TechnicalInstructions  LMVSeries
DocumentNo.LV5‐1000
Section6 Page12SCCInc.
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Figure6‐4:ExampleofTypicalO
2
ControlCurves‐NozzleMixingBurner(NoorLow%FGR)
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Thecurvesaboveillustratetraitsthatarecommontomostnozzlemixingburners.Theseare:
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 Widestabilityband‐8%O
2
ormorebetweentherichandleanlimits
 Curvesdecreasein%O
2
fromlowfiretohighfire
 1%O
2
ormorebetweentheO
2
RatioControlCurveandtheO
2
ControlCurve(accurateLambda
Factor)
 O
2
ControlCurveclosetorichlimit(minimize%O
2
tomaximizeburnerefficiency)
 Curvesaresetupforefficiency(NOxemissionsarenotapriority)
 LMV52.240O
2
trimsystemadequateforthistypeofsetup
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