Siemens LMV51.140C1 - Page 190

TechnicalInstructions  LMVSeries
DocumentNo.LV5‐1000
Section6 Page18SCCInc.
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Figure6‐6:ExampleofTypicalO
2
ControlCurves‐MeshBurnerorNozzleMixwithHigh%FGR
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Thecurvesaboveillustratetraitsthatarecommontomostmeshburners.Theseare:
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 Narrowstabilityband‐typically3.5% orless
 Curvesareflatornearlyflatfromlowfiretohighfire
 0.5%O
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betweentheO
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RatioControlCurveandtheO
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ControlCurve‐minimumtolearn
LambdaFactor
 O
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ControlCurveclosetoleanlimit‐high%O
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tocoolcombustion
 CurvesaresetupforlowNOx‐efficiencyislower duetohigh%O
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 LMV52.440O
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trimsystemsaretypicallyrequiredforthistypeofsetup
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