HarmoCem: Electrical network Interference Training Bench

Transcription

1 : Electrical network Interference Training Bench Identify and remove high- and lowfrequency electromagnetic interference

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3 1. Presentation of the kit TheelectricalnetworkinterferencetrainingbenchMDG99150,iscomposedoftwocabinets that allow the reproduction of interference phenomena as encountered in an industrial environment. 1.1 Overview The first enclosure is made up of an electrical distribution structure, represented by a mimic panel placedonthecabinetfrontpanel.itincludesavariablespeeddriveaswellasthedevices providing solutions for the phenomena studied: filters, equalisers, reactors and capacitors. Measurement points and a batch of accessories make readings easy for the hands-on exercises. The second enclosure(operative part) contains non-linear loads(dimmers, lamps, ballast lamps, etc.) designed to highlight harmonic phenomena, as well as an asynchronous motor with loads that, when associated with the variable speed drive, allow study of ECM(ElectroMagnetic Compatibility) phenomena: filter performance, cabling rules, shielding, etc.). 3/15

4 1.2 Characteristics Mechanicalcharacteristics Electricalenclosure Dimensions: height: 810 mm, width: 700, depth: 350 mm Weight: 60 kg Operativepart Dimensions: height: 750 mm, width: 700 mm, depth: 330 mm Weigh:42kg Electricalcharacteristics Voltage:230Vsingle-phase±10%. Frequency:50Hz±5%. Powerdrawnup:1,5kVA Theconventionalshort-circuitcurrentissetto3kA. Ratedimpulsewithstandvoltage:2,5kV. Protectionclass:l. Installationcategory:II. TheelectricalnetworkmustbefittedwithaRCD(ResidualCurrentDevice)of sensitivity 30mAofACclassupstreamthebench(notsupplied). Technicalcharacteristicsofbuilt-incomponents Variablespeeddrive Variable speed drive for asynchronous motor 0,37 kw V Transformer Transformer100VA P:230/400V S:24V Contactors Threepolescontactor6A 24V 50/60Hz Threepolesmini-contactor6A24V 50/60Hz Fourpolesmini-contactor9A2O+2F24V 50/60Hz Circuitbreaker Magnetic circuit breaker 4 A Two poles circuit breaker 10 A Two poles magneto-thermal circuit-breakers 1 A and 4 A Singlepole+neutralcircuitbreaker3Aand1A curvec 4/15

5 InterferenceSuppression Interference suppression unit 24 V Lamps Screwbasehalogenlamp230VAC/23W Ballast magnetic lamp Ballast electronic fluo compact lamp 230V AC/23 W Inductionlampat230VAC Condensator Condensator 24,8 mf 600V 50 Hz Single-phase Inductances Singlephaseinductanceforharmonicfilter15mH/13A,46mH/3,5Aand 61mH/3,5A 5/15

6 1.3 Functional description The purpose of this bench is to implement exercises designed to demystify the electrical network interference, by highly concrete hands-on exercises and simple measuring means. The user has the following possibilities: Shuntorincorporateelements Performmeasurements Putintoserviceoneorseveralfilterfromthepushbuttonsonthemimicdiagramside Sendanordertothevariablespeeddrivefromapotentiometer Varytheloadfromapotentiometer Readtherotatingfrequencyandthemotorcurrent 6/15

7 Testpoints(mountedonsafetyterminals)allowstoperformsafelyLFandHF measurements. 7/15

8 2. Teaching 2.1 Teaching presentation Thepackageformedbythe"studybenchofelectricalnetworksdisturbances"allowsstudies relating to: thehighlightinganddisplayofharmonicphenomena, thehighlightinganddisplayofelectromagneticdisturbances, measurementofbothphenomena, solutionstoreduceand/oreliminateharmonicsandelectromagnetic disturbances. Itisintendedtothefollowingstudies: Automated Systems- Industrial Computing Professional High School University Engineering school ElectricalEngineering IndustrialMaintenance AutomatedProduction EngineeringEquipment-Energy 8/15

9 ExercisestobeperformedfromtheHarmoCem: The exercises are composed of a teacher document and a student document. Harmoniques 9 /15

10 CEM Theexercise5isgivenasanexamplep.11to23. 10/15

11 2.2 Teaching examples 11/15

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14 3. Itemsprovidedwiththekit 3.1 Equipment provided(reference MDG99150) AHarmoCemoperativepartcabinet Acontrolcabinet 3.2 Equipment not provided Themicrocomputer. Themeasuringdevices(multimeter,analyser,oscilloscope,measurementprobes,etc.) 3.3 Documentation Atechnicalmanual,referenceMDG9AD151EN. Ahands-onexercisemanual,referenceMDG9AD152EN. AsimplifiedguideALTIVAR31withitsCDROM. ACD-ROMcontainingthetechnicalmanualandthehands-onexercisemanualinPDF format. 3.4 Option MD1AG150containsthesystemMDG99150withanharmonicsanalyserandsoftware FL43B. and spectrum analyser GSP810. MDG99159, active or sine wave filter. 14/15

15 3.5 Name and address Schneider Electric France Activité Didactique 3F 35 rue Joseph Monier CS Rueil Malmaison - France FR-didactic@fr.schneider-electric.com 15/15