Emerson Series 600 user manual Magnetic Levitation Module MLM, Active Magnetic Levitation Hardware

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System Overview

5.1.7Magnetic Levitation Module (MLM)

The Magnetic Levitation Module provides control of the active magnetic levitation hardware.

The Liebert FS has a unique active magnetic levitation system that fully levitates the flywheel-rotat- ing group, allowing the flywheel to rotate without any physical contact. This has a number of advan- tages over mechanical bearing systems:

•Reduced drag- Mechanical bearings have a drag that is proportional to the square of the speed. The levitation system developed by Liebert uses the same power regardless of speed.

•Reliability and zero maintenance- The levitation system ensures there is no contact between the rotating parts and the housing and therefore there are no components to wear out. This ensures the unit will operate maintenance free for the life of the system.

The levitation system, works by measuring the displacement using a capacitive sensor, if the distance needs to be adjusted; the current to the electromagnet is altered to change the displacement, each axis is measured and controlled separately with its own capacitive sensor, electromagnet and feed- back loop which, is controlled by the MLM. This is all done using analog control so it is very fast act- ing and reliable. There are 5 different circuits working independently, these are: Radial: Upper X, Y; Lower X, Y and Axial: Z Only

The principle of operation is the same in each case. The upper radial Y-axis is shown in Figure 37.

Figure 37 Schematic of the levitation system

 

Z

 

 

 

Y

 

 

X

AMPLIFIER

 

AMPLIFIER

 

 

 

 

ELECTRO

ROTOR

ELECTRO-

 

MAGNET

 

 

 

MAGNET

 

CAPACITIVE

 

 

 

DISPLACEMENT

 

 

 

MEASUREMENT

 

 

 

 

CONDITIONER

 

 

 

 

CONTROLLER

DISPLACEMENT SIGNAL

INFRARED EMITTER

DISPLACEMENT SETPOINT

Active Magnetic Levitation Hardware

The electromagnets and capacitive displacement sensors that provide the active magnetic levitation are located within the flywheel module. See 5.1.7 - Magnetic Levitation Module (MLM) for a full description of their operation.

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Contents Liebert FS DC Energy Storage System Page Table of Contents Operation System OverviewTroubleshooting MaintenanceAppendix B.0 Data Collection Module Appendix A.0 UPS Interconnection KitsAppendix E.0 Specifications Appendix D.0 Installation DrawingsAppendix F.0 Auxiliary Backup AC Power Supply Appendix C.0 Versatile Interface BoardFigures Vii Versatile Interface Board mounted in the Liebert FS 110 Tables Page Important Safety Instructions Safety Precautions General Information Safety ConsiderationsRequesting Assistance from Liebert System informationLiebert FS General System DescriptionDC Bus Loads Utility PowerLiebert FS Unit Liebert FS Unit 1 Liebert FS UnitGeneral Specifications Battery NGeneral system specifications LiebertKey Technological Features Features and BenefitsKey Customer Benefits Applicable Standards and CertificationKW-sec delivered GT model, 510 VDC, with filter Bypass Utility Static SwitchRectifier Environmental Considerations System LocationElectrical Considerations Flooring RequirementsStatus/Control Connections AC Power ConnectionsGrounding Connections Remote Monitoring Connections-OptionalUnloading Inspection Before Removal From the Truck14623 Unpacking HandlingRemoving the metal support plates Lifting the Liebert FS cabinetPositioning the Liebert FS Storing the Liebert FS for Delayed InstallationMoving the Liebert FS Manuals Serial Number Model Number PlatesBottom TopFront Right Side 12-100120-09 Front Right Side Door open Panel removed Internal layoutFloor Mounting Bracket Cabinet Floor MountingConcrete, Masonry or Stone Floor Mounting Instructions Mounting ToolsFront of Liebert FS Checking hole depth 12.7mm Floor to Flange Bolt securing bracket to cabinetBubble level Mounting front bolts-front side of cabinetWood Floor Mounting Parts Wood Floor MountingWood Floor Mounting Tools Wood Floor Mounting InstructionsRaised Floor Mounting Tools Raised Floor Mounting Raised Floor Mounting KitRaised Floor Mounting Instructions General Wiring Considerations Wiring ConnectionsFront RearCircuit Breaker Mounting Plate Control DC and Ground Connections Communication Access PanelGround Connections Ground Wire Gauge Tightening Torque Approximate metric InchTightening torque for ground connection PoundsService panel location AC Auxiliary Control Power Supply ConnectionsTerminal Neutral Line Ground Fused disconnectRemote monitoring DCM connections inside cabinet front door Startup ConsiderationsLiebert FS front view Detailed System DescriptionSystem Module Description Power Conversion ModuleControl Panel UPS Interconnection KitElectrical system schematic Flywheel Module Power SystemBattery Input System PerformanceData Collection Module DCM User interfaces Control PanelVersatile Interface Board VIB Igbt Power Conversion Module PCM Active Magnetic Levitation Hardware Magnetic Levitation Module MLMUpper Radial Axial ElectromagnetMotor Generator Rotor/Flywheel-Rotating GroupVacuum system operation Vacuum SystemFlywheel Sensors Speed TemperatureOuter Housing Rotating Group Inner Housing Coolant System SafetyCabinet List of System User-Configurable Parameters Max Charge Current Voltage Behavior Current Sink Regulation Voltage Delta During Discharge Vreg DeltaVreg delta help screen Modes of OperationStandby Mode OFF ModeStartup Mode UPS DC Bus Voltage = VchargeReady Mode Charge ModeVoltage ≥ Vcharge Shutdown Mode Discharge ModeFollowing a Liebert FS Discharge Down to SOC = 0% Coast Mode Following a User CommandFault Mode Typical operation modes KEY # Mode DescriptionMaintenance and Reliability Operator Controls Access System HistorySystem Mode Indicators System Status IndicatorsControl Panel Control panel keyboard layout refer to FigureMain screen function descriptions System Status Indicators System Mode IndicatorsSystem status indicators Operation modesUninstalled DisabledOther Status Indicators OperativeMenu Tree and Navigation Security AccessMenu tree Navigation and Operation of Control Panel System Setup and Parameter Access2VREG Time/Date ViewVoltages TemperaturesHistory 01 03/10/05 1143 W 12302 03/10/05 1037 W 03 02/24/05 0403 WOptions 192.168.1.155 Network-Requires DCM Option255.255.255.0 192.168.1.1Vitals ElectricalSecurity Change password Password screensTools AboutCopyright Appl PRI-3.00 SEC-3.01 BL PRI-3.02 SEC-3.01 001 FM S/N MLM S/N 0001 PCM S/N 0002 SO# 123-456-7System Startup Initial System Startup ProcedureInspection before Initial System Startup Control Parameter Value Default Control Parameters Setup at Initial System StartupControl parameters Software versionsPowering Up the Liebert FS Regular Startup ProcedureBooting Up Inspection Before Regular StartupValidation of Control Parameters Setup Shutdown ProcedureInitiating Liebert FS Startup Sequence Liebert FS Startup SequenceSafety Precautions Routine Maintenance Liebert Global ServicesMaintenance schedule Maintenance ScheduleRecord Log FrequencyOptional Air Filters Torque specifications unless otherwise labeledTorque Requirements Detecting TroubleCorrective Actions Reporting a ProblemRecommended Test Equipment Limited Life ComponentsUser level menu GeneralButton F5 ChargeAuxpower Meaning / Possible Causes Troubleshooting LabelBus Power FaultsMore information Fault Clear Button F3 Button F5 BUS Current Offset Faults-causes and responsesTroubleshooting Fault Label Troubleshooting Action Appendix A.1.1 General Wiring Considerations Appendix A.1 Wiring ConnectionsKey to UPS model interconnection Liebert FS Model # Use With Liebert UPSTop view of Liebert FS Cabinet with UPS interconnection kit Front RearCircuit Breaker Torque Appendix A.1.2 DC Power ConnectionsLiebert FS Positive Terminal Negative UPS Output Rating KVA Liebert Series 610/600T/600 model ratingsYellow Blue Two rows Row for Liebert FS Software Control Parameter Setting Liebert FS Software Control Parameter settingsLiebert FS Npower UPS Liebert Npower model ratingsOutput RatingLiebert FS Software Control Parameters Liebert FS Software Setting Control ParameterSee Table UPS Interconnection Kits Liebert Series 300 UPS List of Liebert Series 300 models ratingsLiebert Series 300 status/control terminal block wiring 395VDC Liebert HiPulse model ratings Appendix A.5.1 Description-HiPulse UPS Interconnection KitLiebert FS positive terminal Liebert FS negative terminal Appendix A.5.3 IKIT-A05 DC Power ConnectionsUPS Output Rating kVA 120 Appendix A.5.5 Single Liebert FS on UPS DC BusMultiple Liebert FS Parallel Operation-Regular Configuration Appendix B.1.2 Features Appendix B.2 DCM Installation and ConfigurationAppendix B.2.1 Installation Appendix B.1 General InformationAppendix B.2.2 DCM Requirements LAN Connection Power Connection255.255.255.0 192.168.1.155192.168.1.1 192.168.1.13Appendix B.2.4 Configuring DCM System Parameters Appendix B.2.3 Accessing the DCMEnter IP Address Appendix B.3.1 Logging into the DCM Appendix B.3 DCM OperationAppendix B.3.2 Status and Detailed Status Screens Datafiles screen Appendix B.3.3 Datafiles ScreenAppendix B.4.1 DCM Troubleshooting Principles Appendix B.4 DCM TroubleshootingAppendix B.4.2 Resetting the DCM TroubleshootingAppendix C.1.1 Versatile Interface Board Overview Appendix C.1 General Information-Versatile Interface BoardVIB I/O functions Interface VIB Designation Description Appendix C.1.2 VIB FeaturesO Designations Label X20Appendix C.2.1 VIB Installation Appendix C.2 VIB Installation and ConfigurationAppendix C.2.3 VIB Input Specifications Appendix C.2.4 VIB Output SpecificationsAppendix C.3 VIB Operation Appendix C.4.2 VIB in Disabled or Not Available State Appendix C.4 Troubleshooting the VIBAppendix C.4.1 UIB State Not Displayed on the Front Panel Appendix C.4.3 Inputs Not RecognizedAppendix D.1 Liebert FS Flywheel Submittal Document Matrix Storage Solution Flywheel Storage SolutionSubmittal documents accompanying Liebert FS Appendix D.2 Other Liebert FS Drawings No UVR, circuit breaker to terminal block wiringElectrical connections Electrical system block diagram 48 UVR, circuit breaker to terminal block wiring 24 UVR, circuit breaker to terminal block wiringOutline drawing, Liebert FS cabinet Fused Disconnect Liebert FS FS cabinet to Liebert Series 610 UPS module Control wiring-external interconnect diagram, LiebertElevation drawing, Liebert FS cabinet with shipping package Front Elevation drawing-Liebert FS cabinet124 Liebert FS cabinet with optional power terminal block Mechanical Cabinet127 Liebert FS Systems Parallel + GND Systems 138One-line moduleWith factory CircuitLiebert UPS Module 401 Units LiebertUPSParallel with a Liebert UPS Module Liebert UPS Module Status/control Wiring, multiple unitsWiring specifications, Liebert FS and Liebert Series Wiring specifications, Liebert FS and Liebert Npower Wiring specifications, Liebert FS and Liebert Series Wiring specifications, Liebert FS and Liebert HiPulse 29-1/2 749mm Drill Template Dwg Cabinet Come with Liebert FS block diagram Power line diagram UPS cable entry-bottom Liebert FS Cabinet Phase Unit N Input Bus + Bus Ground BusUPS cable entry-top Liebert FS Cabinet Phase Unit N InputTOP View Technical specifications Appendix E.0 SpecificationsItems Required Appendix E.1 Ground Test ProcedureAppendix F.3 Recommended Backup Power Supply Configuration Appendix F.2 Backup AC Power Supply SpecificationAppendix F.1 Overview Frequency 50 to 60HzGrid supply DC bus Battery Liebert FS PackGrid Appendix F.3.2 Operating the Liebert FS Without BatteriesSupply Output DistributionLiebert FS Flywheel module Appendix F.4 ScenariosAuxiliary Backup AC Power Supply 154 Page Iti Ne tTi n That
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