Emotron VFX/FDU 2.0

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2.1.2 AC drive with AFR (as thisdelivery)An AFR unit is basically a VSI towards the supply (via afilter) where the IGBTs are used as an active rectifier, see Fig.3. The main advantages are inherent 4Q-operation, i.e.bi-directional power flow, and sinusoidal supply currents,i.e. low harmonics.AFR = AFE + LCL - filterVSIFig. 3VSI with AFR.The AFR unit is controlled in such a way to keep the energybetween motor and supply in balance. This is achieved bycontrolling the DC-link voltage (Udc). Other features arethe possibility for reactive power compensation and boostedDC-link voltage.8 General description Emotron AB 01-5076-01r1
2.2 Emotron AFR cabinet concept2.2.1 Single drive applicationsThe Emotron regenerative AC drive, i.e. VFXR, iscomprised by an AFR unit, i.e. AFE and filters, and a VSI,i.e. Emotron VFX or FDU. The concept is designed as acabinet solution, see Fig. 4 ,CBSBSCBFig. 4Single drive in cabinetwhere• Cabinet - IP54 cabinet with door fans• Q1 - Circuit breaker• K1 - Main contactor• RFI - EMC filter• LCL - LCL filter• F2 - MCB(Miniature circuit breaker)for pre-chargecircuit• AFE - Emotron AFE module with 24V standby supplyboardand integrated pre-charge circuit (K2,D2,R2)• AFR - Emotron AFE and filters• VSI - DC-voltage fed VSI module, i.e. Emotron VFX orFDU• CB - Control board• SBS - Standby supply board• Lo - Output coil2.2.2 Common DC-bus applicationsFor common DC-bus applications, the cabinet will containonly the AFR part of Fig. 4, i.e. all except the VSI & Lo.Emotron AB 01-5076-01r1 General description 9
Page 1: Emotron VFX/FDU 2.0AFE - Active Fro
Page 6 and 7: CondensationIf the active front end
Page 8: 2 Emotron AB 01-5076-01r1
Page 13: 2. General descriptionEmotron AFR i
Page 18 and 19: 12 General description Emotron AB 0
Page 20 and 21: 3.1.1 CoolingTable below shows the
Page 23 and 24: 5. Control Connections for Emotron
Page 25 and 26: RITTALRITTALRITTALRITTALRITTALRITTA
Page 27 and 28: 6. Getting StartedThis chapter is a
Page 29 and 30: Table 9Default parameter setup for
Page 31 and 32: 7. EMC and Machine Directive7.1 EMC
Page 33 and 34: 8. Operation via the Control PanelT
Page 35 and 36: 8.3.3 LED indicatorsThe symbols on
Page 37 and 38: 8.4 The menu structureThe menu stru
Page 39 and 40: 9. Functional Description for AFR u
Page 41 and 42: Reset Control [216]When the AFR is
Page 43 and 44: Reactive power [714]Displays the ac
Page 45 and 46: 9.8 System Data [900]Main menu for
Page 47 and 48: 9.9.3 Udc controller oparameters[O3
Page 49 and 50: 9.9.7 View control status [O90]Udc
Page 51 and 52: 10. Troubleshooting, Diagnoses and
Page 53 and 54: Table 18Trip condition, their possi
Page 55 and 56: 10.3 MaintenanceThe variable speed
Page 57 and 58: 11. Technical Data11.1 Electrical a
Page 59 and 60: Table 22 AFR69 typical output DC po
Page 61 and 62: 11.3 Operation at highertemperature
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Emotron AB, Mörsaregatan 12, SE-25
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Emotron VFX/FDU 2.0

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