IndustrialConverter Solutions - Drives

IndustrialConverter Solutions - Drives

Save and perfectly matched products for drive enginnering

By using modern frequency converters, the drive technology becomes more and more energy efficient. Due to the frequency converters, these powerful controllers produce strong electrical noise on the motor cable that adversely affect the engine and other consumers.

To ensure reliable and durable operation of all drive components, the electrical noise must be reduced as far as possible. Basically, many different factors such as volage rise (dv / dt), fault and surge currents, EMC behavior, harmonics, etc. must be observed.

Targeted measurements and perfectly matched products

Since these physical effects often occur in combination, targeted and well-coordinated measurements additional components are important. For the most diverse applications REO always offers the best electronic, inductive and resistive components.

Line chokes, EMC filter, DC reactors, chokes or sinusoidal and dv / dt filters are just a few examples of products, by which REO guarantees a safe and trouble-free operation in drive technology.

Water-cooled components for high performance or fully encapsulated systems with high protection classes are examples of our innovative strength. Many years of experience and the highest quality standards make REO a strong partner.

Customized solutions

In addition to a wide range of standard products we develop, of course, customized solutions - Just talk to us!

  • CNW 543

    Three-phase mains filter (3 lines, single stage)

    CNW 543
    • Nominal Voltage: 480 V
    • Rated current: 10 - 36 A

    Applications: Frequency converters for motor drives, wind power installations and power supply units



    • Conforming to: VDE 0565-3 / IEC 950 / UL 1283

    • Test voltage: L-L 2100 V,DC 1s, L-PE 2700 V,DC 1s

    • Overload: 1,5 x I 1 min/h

    • Climatic category: DIN IEC 60068-1

  • CNW 855

    Three-phase dv/dt filter

    CNW 855
    • Nominal Voltage: 480 V
    • Rated current: 7 - 180 A

    Frequency converters for motor drives, wind power installations and power supply units.



    • Conforming to: VDE 0565-3 / IEC 950 / UL 1283

    • Test voltage: L-L 2100 V, DC 1min; L-PE 2700 V, DC 1min

    • Overload: 1,5 x INenn 1 min / h

    • Klimakategorie: DIN IEC 68 Teil 1 25/085/21

    • Frequency: 50/60 Hz



  • CNW 891

    Single-phase DC-link choke (1 lines)

    CNW 891
    • Nominal Voltage: 600 V
    • Rated current: 8 - 100 A
    • Inductance: 0,67 - 9,4 mH

    Power Noise Reduction - save energy costs. 


    The DC-link choke is used for smoothing the DC link current and to reduce mains harmonics in voltage source inverters.


    The typical combinations of rectifiers and capacitors strains the supply network significantly. For functional reasons, the current consumption of the power supply or the inverter is not sinusoidal but pulsed at the moment of maximum voltage. DC-link chokes reduce the harmonics and relieve the supply network similar to the mains choke. In addition, the DC-link choke attenuates charging current peakssurges of the DC-link capacitors. By using a DC-link choke the supply network is less burdened with harmonic reactive power.


    Improvement of the efficiency of a converter (Power Factor Correction). Starting currents and current peak are attenuated up to 70%. Mains chokes help to comply with international power quality standards IEEE 519 or EN 61000-3-2.



    • Rated voltage: U ≤ 600 V

    • According to: EN 60289 / EN 61558

    • Test voltage: L-PE 4000 V, AC/50Hz, 60s

    • Insulation class: T40/F

    • Protection rating: IP00

    • Climatic categorie: DIN IEC 60068-1

    • Overload: 1,5 x INenn 1 min / h

    • Design: standing on foot angle


     


    Typical applications



    • Drive systems for motor drives:


      • Mechanical engineering

      • Elevators / escalators

      • Pipes

      • Conveyor technology

      • Ventilation and air conditioning

      • Robotics

      • Automation technology


    • Power supplies

    • Wind turbines

  • CNW 897

    Three-phase harmonic filter (400 V / 50/60 Hz)

    CNW 897
    • Nominal Voltage: 400 V
    • Rated current: 25 - 600 A
    • Inductance of the choke: 0,2 - 2,9 mH

    The filter is designed for the reduction of the THD (Total Har-monic Distortion) when used with B12 rectifiers. The harmonic currents are extremely suppressed so that the THD is reduced to lower than 5 % (for example in UPS-systems)


    Typical values of Total Harmonic Distortion with B12 rectifiers and use of transformers are between 12 and 13%. This complies with the EN 61000-3-4 and EN 61000-3-12 standards.


    If more severe conditions for the mains are defined, in addition to the transformer it is necessary to use REO-Harmonic-Filter type CNW 897. These filters are available in two different versions:



    • THD < 5%

    • THD < 10 %


    The IP00 version is especially suitable for panel mounting and can be mounted to save space here. The CNW 897 helps to comply with international power quality standards IEEE 519 or EN 61000-3 .



    • Nominal voltage : 400V

    • Frequency : 50Hz

    • In accordance with : EN 60289 / EN 61558

    • Test voltage : L - L 2500 V , DC 1s ; L - PE 2500 V , DC 1s

    • Insulation class : T40 / F

    • Protection : IP 00 ( also available as IP20 version )

    • Climate class : IEC 60068-1 DIN

    • Nominal voltage : 400V / 50 Hz

    • Standards : IEEE 519 , EN 61000-3-12 , EN 61000-3-2 , IEC 61000-3-4

  • CNW 901

    Single-phase mains choke 4%

    CNW 901
    • Nominal Voltage: 250 V
    • Rated current: 2 - 100 A
    • Inductance: 0,29 - 14,5 mH

    Power Noise Reduction - save up to 20% energy costs. A mains choker relieved the supply network by compensating the harmonics reactive power. The harmonics and commutation notches are reduced much. By using a mains choke the inverter electronics and DC-capacitors will be protected.


    Starting currents and current peaks are reduced up to 60%. Mains chokes helps to comply with international power quality standards IEEE 519 or EN 61000-3-2.



    • Rated voltage: U ≤ 250 V 

    • Short circuit: Uk 4% (230VAC/50Hz, INenn)

    • Frequency: 50/60 Hz

    • According to: EN 60289 / EN 61558

    • Test voltage: L-PE 2500 V, DC 1min

    • Insulation class: T40/F

    • Protection rating: IP00

    • Climatic categorie: DIN IEC 60068-1

    • Overload: 1,5 x INenn 1 min / h

    • Design: mounted on foot print
       


    Typical Applications



    • Drive systems for motor drives:


      • Mechanical engineeringPumpen

      • Conveyor technology

      • Ventilation and air conditioning

      • Robotics


    • Automation technology


      • Power supplies




  • CNW 903

    Three-phase mains choke 4% Uk

    CNW 903
    • Nominal Voltage: 3 x 500 V
    • Rated current: 3-1200 A
    • Inductance: 9,800-0,024 mH

    Power Noise Reduction - save up to 20% energy costs. A mains choker relieved the supply network by compensating the harmonics reactive power. The harmonics and commutation notches are reduced strongly. By using a mains choke the inverter electronics and DC-capacitors will be protected.


    Starting currents and current peaks are reduced up to 60%. Mains chokes helps to comply with international power quality standards IEEE 519 or EN 61000-3-2.



    • Rated voltage: U ≤ 3 x 500 V 

    • Short circuit: Uk 4% (400VAC/50Hz, INenn)

    • Frequency: 50/60 Hz

    • According to: EN 60289 / EN 61558

    • Test voltage: L-L 2500 V, DC 1min; L-PE 2500 V, DC 1min

    • Insulation class: T40/F

    • Protection rating: IP00

    • Climatic categorie: DIN IEC 60068-1

    • Overload: 1,5 x INenn 1 min / h

    • Design: mounted on footprint


     


    Typical applications



    • Drive systems for motor drives:


      • Mechanical engineering

      • Elevators / escalators

      • Pipes

      • Conveyor technology

      • Ventilation and air conditioning

      • Robotics

      • Automation technology


    • Power supplies

    • Wind turbines



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