KEP SUPERtrol II Manual
Also see for SUPERtrol II: Startup guide
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Contents
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SUPERtrol II Flow Computer143.4 Steam Delta HeatMeasurements:Measures actual volume flow and pressure of the saturated steam in the supply pipingas well as the temperature of the condensate in the downstream piping of a heatexchanger.Calculations:• Calculates density, mass flow as well as the delta heat between the saturated steam(supply) and condensation (return) using physical characteristic tables of steam andwater stored in the flow computer.• With square law device measurement the actual volume is calculated from thedifferential pressure, taking into account temperature and pressure compensation.• The saturated steam temperature in the supply line is calculated from the pressuremeasured there.Input Variables:Supply: Flow and pressure (saturated steam)Return: Temperature (condensate)Output Results:• Display ResultsHeat, Mass or Volume Flow Rate, Resettable Total, Non-Resettable Total,Temperature, Pressure, Density (optional: peak demand, demand last hour,time/date stamp)• Analog OutputHeat, Mass or Volume Flow Rate, Temperature, Pressure, Density, PeakDemand, Demand Last Hour• Pulse OutputHeat, Mass or Volume Total• Relay OutputsHeat, Mass or Volume Flow Rate , Total, Pressure, Temperature Alarms, PeakDemand, Demand Last HourApplications:Calculate the saturated steam mass flow and the heat extracted by a heat exchangertaking into account the thermal energy remaining in the condensate.STEAM DELTA HEATDelta Heat FlowNet Heat Flow = Volume flow • density (p) • [ED (p)– EW (T)]ED = Specific enthalpy of steamEw = Specific enthalpy of waterNote: Assumes a closed system.CalculationsSteam Delta HeatIllustrationPressureTransmitter FlowmeterTemperatureTransmitterPRINT50 –TIMECLEAR•MENUENTERHELPTEMP4PRE 13RATE2TOTAL1GRAND6SCROLL7PRE 28DENS9WaterSaturatedSteam |
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