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  4. Emotron AFE Series-Regenerative and Low Harmonic Drive

Emotron AFE Series-Regenerative and Low Harmonic Drive

Low Harmonic Drives Regenerative Drives (55 – 600 kW, 380 – 690 V)
The Emotron Active Front End (AFE) units are available as two main parts. One part is a robust Low Harmonic Drive VFXL/FDUL. Second type is a supply-friendly Regenerative AC drive VFXR. Regenerative unit can also be supplied as DC-bus feeder unit AFR.All Emotron AFE units are like other Emotron VFX/FDU frequency converters designed from standard modules. They are using the same type of user interface and range of optional equipment.
  • Main setup
    The main parts of the Emotron AFE units are: IGBT based supply side rectifier, LCL-type line filter and an IGBT based motor inverter. Comes complete in IP54 cabinets with circuit breaker, contactor, charging circuit and EMC filter.By using internal voltage boosting the drives will be able to maintain full motor power even during supply voltage dips.There are also possibilities for reactive power compensation (Q-control) with the Emotron AFE units.
  • Network friendly
    The Emotron AFE units produces a very low harmonic content to supply side. Typical THDI for both the Low Harmonic drives and Regenerative drives are 3-5 %. Thereby fulfilling standard IEEE-519. Compare this to standard diode frontend drives with THDI of 30 –40 %.This gives savings when selecting supply equipment like transformers and cables.The Regenerative drivesVFXR provides a very robust, yet fast and smooth control to allow power flow in both directions to and from supply line. This gives substantial energy savings for applications with need for braking. Drives are rated for 4-quadrant duty with 100% power in both directions.
  • Emotron AFE Main Blocks
    LCL line filter (LCL) -For minimum line harmonics
    Active supply inverter with DTC control(AFE) :Fast response to load changes and Controls line power factor to 1
    ?Motor inverter (VSI)

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Power Range 45-900 kW 
Power Supply 380 - 460V +10%/-15%
480 - 690V +10%/-15%
Mains Frequency 50 Hz  / 60 Hz   +-2 Hz
Harmonics to Supply, THDI <%5
Input Power Factor 1.0
Output Voltage (AC)-VFXR46
(0 - 1.2) * Mains supply voltage
Output Voltage (DC)-AFR46 (0 - 1.2) * √2 * Şebeke gerilimi
Efficiency at nominal loads AFR46/AFR69
VFXR/FDUL46/69		 98%
97%
Overloadability Normal Duty 0 for 1 minute
  Heavy Duty 0 for 1 minute
EMOTRON VFXR / FDUL Series
3 AC 400V
VFXR / FDUL Model Maximum Output Current (A)  Normal Duty (0, 1 minute for every 10 minutes) Heavy Duty (0, 1 minute for every 10 minutes) Size  IP20 Dimensions(mm) Height=2250 mm
Depth=600 mm
Width (mm)		 Weight (kg) AFR Model
Nominal Current(A) POWER (kW)

Nominal
Current(A)

 POWER (kW)
46-109 131 109 55 87 45 E46+E=G 800 380 AFR46-175
46-146 175 146 75 117 55 E46+E=G 800 400 AFR46-175
46-175 210 175 90 140 75 E46+E=G 900 480 AFR46-175
46-210 252 210 110 168 90 F46+F=H 900 500 AFR46-250
46-250 300 250 132 200 110 F46+F=H 900 500 AFR46-250
46-300 360 300 160 240 132 F46+F=H 1300 700 AFR46-250
46-375 450 375 200 300 160 G46+G 1500 750 AFR46-375
46-430 516 430 220 344 200 G46+H 1500 830 AFR46-375
46-500 600 500 250 400 220 H46+H 1500 880 AFR46-500
46-600 720 600 315 480 250 H46+I 1900 1040 AFR46-500
46-650 780 650 355 520 315 I46+I 2200 1210 AFR46-750
46-750 900 750 400 600 355 I46+I 2200 1210 AFR46-750
46-860 1032 860 450 688 400 J46+J 2500 1370 AFR46-750
46-1K0 1200 1000 560 800 450 J46+J 3000 1600 AFR46-1K0
46-1K2 1440 1200 630 960 500 J46+KA 3300 1700 AFR46-1K0
46-1K5 1800 1500 800 1200 630 K46+K 4500 2250 AFR46-1K5
46-1K75 2100 2100 1750 1400 800 K46+L On request AFR46-1K5

 

 

EMOTRON AFR46 Typical output DCV power at mains voltage 400 V
Model Maximum Input Current Imax(A)  Normal Duty (0, 1 minute for every 10 minutes) Size  IP20 Dimensions(mm) Height=2250 mm
Depth=600 mm
Width (mm)		 Weight (kg)
Nominal Current(A) Output DC Power@400 V (kW)
AFR46-175 210 175 115 E46 600 290
AFR46-250 300 250 165 F46+F=H 800 400
AFR46-375 450 375 250 G46+G 1000 560
AFR46-500 600 500 330 H46 1200 660
AFR46-750 900 750 500 I46 1500 830
AFR46-1K0 1200 1000 660 J46 1800 1100
AFR46-1K5 1800 1500 1000 K46 2700 1600
  • Low Harmonic Drives Applications
  • Industrial process Applications
  • Pumps
  • Fans
  • Marine Applications
  • Regenerative Drive Applications
  • Cranes
  • Test Systems
  • Centrifugals
  • Ski Lifts

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