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1、Power ManagementHow to:Reduce electricity cost by reducing the demand penaltiesDemand ManagementIdentify the cause of plant damagePower Surge, HarmonicsShed/ Share load effectively.To save Utility cost when cogenerator exist.Prevent important Manufacturing Process being interrupted when Utility Elec
2、tricity supply STOPIdentify potential cost-saving.Power Management SolutionElectroMasterSupplied, Assembled and Programmed by Rockwell Automation PLC based systemMicroprocessor-based Power MonitorState-of-the-art Rockwell SoftwareControl and Monitor Power Distribution NetworkCentralized Graphical Di
3、splay of REAL TIME and Historical Power DataElectroMasterReduce Power Consumptionhistorical power data used to identify potential power savingIdentify and Analyze Power Qualitywithin a facilitys power distribution systemVerify Utility Billsassure proper billings by the Electricity SupplierProtect Ag
4、ainst Damage to plant equipmentsby assuring electrical parameters are within the desired quality rangesAutomatic Control and Management of Power Distribution NetworkElectroMaster OverviewEthernetDH+ or Ethernet or ControlNetRemote I/O or ControlNetRS232/ 485 or Remote I/OSLC I/O1771 I/OPLC5 processo
5、rPowerMonitor IIPowerMonitor IIPowerMonitor II1336 DrivePC with RSPower/ RSView32SMP1794 Flex I/OElectroMaster System ComponentsPLC ProcessorAct as Data ConcentratorPentium PC with RSPower/ RSView32Display REAL TIME and Historical Graphical DataConnected to PLC via Ethernet, ControlNet or DH+AB 1403
6、 PowerMonitorII (PMII)PMII connected via Remote I/O to PLCUp to 32 PMII connected to each Remote I/O ChannelPowermonitor IIDisplay Module1403-DMMaster Module1403-MMSmart Communication Card1403-NBCFiber Cable1403-CFElectroMaster Monitored ComponentL1, L2, L3 CurrentL1-N, L2-N, L3-N VoltageL1-L2, L2-L
7、3, L3-L1 VoltageFrequency, HzReal PowerReactive PowerApparent PowerKWH NetKVARH NetTrue Power FactorDistortion Power FactorCrest Factor, K-FactorHarmonic Distortion (up to 41st Harmonic)21st Century Power Monitoring SolutionsPower QualityPower ControlLoad ProfilingDemand Side ManagementActivity Base
8、d Cost AccountingApplications and BenefitsActivity Based Costing - Measure energy usage of manufacturing lines or building areas.More accurately determine production cost or occupancy charges then “Square Foot billing Load Profiling - Measure the electrical load profile Vs time of individual machine
9、s or building areas. Allows users to purchase power “intelligently in a deregulated power industry. Enables extension to Demand Side ManagementnDemand Side Management; Real time control of electrical loads to reduce energy cost.nSave money by avoiding demand penalties or participating in utility cur
10、tailment programs.n Power Control; Integrate monitoring with on site power generation.nReduce cost through cogeneration or insure continuing operations with emergency backup.n Power Quality; Monitor the quality of electrical power.nIdentify or prevent cause of unplanned shutdowns or equipment damage
11、.Applications and BenefitsPower Quality SolutionsIndustrial / CommercialVoltage SagsUtility transientsHarmonics presentPower problems causing down timeUtilityCustomer creating harmonicsProvide clean powerPower Quality SolutionsSnapshot LogStored internally in non-volatile memoryHarddisk, Floppy Disk
12、Time and date stamped to nearest 0.01 secondsto ensure accuracy50 records46 parameters per recordUpdated at user defined periodsUpdated via setpointcondition triggerEvent LogStored internally in non-volatile memoryTime and date stamped to nearest 0.01 seconds100 recordsEvents include:Power-upPower-d
13、ownRelay energizedStatus input activeetc.Power Quality SolutionsMin/Max LogStored internally in non-volatile memoryTime and date stamped to nearest 0.01 seconds.Records the minimum and maximum value for 84 different parametersPower Quality Solutions20 User Defined SetpointsEach setpoint can be trigg
14、ered by 1 of 54 parameters20 different output actions to choose fromOscillogram CaptureRelay ActivationSnapshot Log recordAlarm Flagsetc.Power Quality SolutionsHigh speed pre/post trigger 7 channel oscillograph of simultaneously captured waveforms for use as a sub millisecond DFRContinuous sampling
15、at 10.8 kHzSimultaneous 7 channel 2 cycle captureSimultaneous 2 channel user defined 12 cycle capture with up to 8 cycles of pretrigger informationPower Quality SolutionsSpectrum AnalysisCalculates to the 41st harmonicAccuracy of +/- 5% maintained with changing fundamental frequency throughout band
16、from 45 to 73HzOn board calculationsTIFIEEE-519 AnnunciationK-factorCrest factorTHD (IEEE and IEC)Power Quality SolutionsPower Control SolutionsIndustrial / CommercialEmergency energy managementFactories, refineries, hospitals, and airportsUtility Substation automationPower Control SolutionsHigh Acc
17、uracy0.05% Accuracy for voltage and currentAccuracy maintained between 45-75 HertzFast Metering Update RatesSelectable between 28-90 milli-secondsFast Communication Update Rates100 milli-second updates from the Powermonitor II to the PLC for world class performanceTrue multi-channel communicationsRI
18、O at 230k baudSerial (RS-232 or RS-485) at 19200 baudEthernet at 10MbpsLoad Profiling SolutionsIndustrial / CommercialMeasure loads in detailPrepare for demand side managementPrepare for utility deregulationFactories, hospitals, hotels, retail stores, airports, and officesUtilityOffer power services
19、 to their customersDemand Side Management SolutionsIndustrial / Commercial30% - 60% of an electric bill are demand charges Save money on your electric bill Manage power by scheduling loadsUtilityOffer power services to their customersDemand Side Management SolutionsUtility demand pulse can be accept
20、ed for accurate demand calculationsThree projected demand values are calculated to project what the demand value will be at the end of the demand periodInstantaneous Demand1st Order Analysis2nd Order AnalysisConfigures DevicesCreate Custom ScreensCreate Custom GaugesNew meters can beconfigured to displaynominal values at the12:00 oclock positionmaking display screensfaster and easier tounderstand.TrendingDisplay OscillogramsPower Matrix
