PowerQuality Solutions

PowerQuality Solutions

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POWER QUALITY - MORE THAN JUST THE COMPLIANCE OF EMC Directives

Presently electricity producers and suppliers are responsible for ensuring that the public supply conforms to the power quality standard EN 50160. However, it is in their own interest for electrical plant operators to minimize disruptions to the grid and so reduce production losses caused by system faults.

In addition to problems such as harmonics and voltage dips there is also the more important issue of saving energy to preserve our resources. REO follows a holistic approach, under the title of „Power Quality“, which considers the needs of both the nertwork and the consumers.

Thus, the core activity of REO AG is to find the very best solutions for maintaining the quality of our power supply.

Power Quality Solutions

Products such as Line filters and reactors, dv / dt filters and reactors, sinusoidal filters, regenerative filter and the harmonic filter REOWAVEPassive contribute not only to  prevent  disturbances, but  to save energy, too .

For example, by using a REOWAVE passive filter, up to 30 % energy savings can be achieved.

These are just some of the solutions that we offer in the field of power quality for you. In addition to power reactors, EMC and harmonic filters , we also offer customized solutions and services like EMC measurements - talk to us !

  • CNW 114/690

    Three-phase mains filters (3 lines)

    CNW 114/690
    • Nominal Voltage: 690 V
    • Rated current: 80 - 1200 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 68 Teil 1 25/085/21

  • CNW 806

    Three-phase-dv/dt filter

    CNW 806
    • Nominal Voltage: 500 V
    • Rated current: 4 - 1200 A
    • Inductance: 0,005 - 1,5 mH

    Reduce voltage rice to < 500V/µs - electrical consumrs and insulation will protected with low costs. 


    A simple and inexpensive method for reducing the rate of voltage rise is to use a du / dt filter or throttle. It dampens the voltage rise to acceptable values and prevents overvoltages on long supply lines.


    Losses and heating are minimized and the leakage current reduced. By limiting the rate of voltage rise, the motor insulation is protected and thus prolongs the life.


    Also, the electromagnetic interference can be reduced in the radiation range of 1 MHz to 30 MHz.



    • Rated voltage: U ≤ 3 x 500 V

    • Reduce voltage rice to < 500V/µs

    • Field frequency: 0 - 60 Hz

    • Drive switching frequency: up to 150 A >4kHz, from 150 A >1,5KHz

    • According to: EN 60289 / EN 61558

    • Test voltage: L-L 2500 V, AC/50Hz 60s; L-PE 2500 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

    • Ambient temperature: 40 °C

    • 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 8981 - 60 Hz

    REOWAVEpassive - harmonic filter 60 Hz/480 V (IP20)

    CNW 8981 - 60 Hz
    • Nominal Voltage: 480 V
    • Rated current: 9 - 1200 A
    • Frequency: 60 Hz

    Reduce Harmonics - save up to 30% energy costs.


    The REOWAVE®passive filters harmonics caused by  the B6 circuit (thyristor, diode bridge, etc.) and motor drives. The supply network is relieved by compensating the harmonics reactive power. This enables cost savings in material selection and energy consumption. Starting currents and current peaks are greatly attenuated.


    This increases the service life and reliability of electrical systems. Due to the compact and ready-build  an easy installation is possible.


    The REOWAVE®passive helps to comply with international power quality standards IEEE 519 or EN 61000-3.



    •  Nominal voltage: 480V

    • Frequency: 60Hz

    • In accordance with: EN 60289 / EN 61558

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

    • Insulation class: T40 / F

    • Protection: IP20

    • Climate class: IEC 60068-1 DIN

    • Protection: IP 20 (also available as IP00 version)

    • Nominal voltage: 480V / 60 Hz

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


     

  • CNW 8981- 50 Hz

    REOWAVEpassive - harmonic filter 50 Hz/400V (IP00)

    CNW 8981- 50 Hz
    • Nominal Voltage: 400 V
    • Rated current: 6 - 1200 A
    • Frequency: 50 Hz

    Reduce Harmonics - save up to 30% energy costs.


     


     


    The REOWAVE®passive filters harmonics caused by  the B6 circuit (thyristor, diode bridge, etc.) and motor drives. The supply network is relieved by compensating the harmonics reactive power. This enables cost savings in material selection and energy consumption. Starting currents and current peaks are greatly attenuated.


    This increases the service life and reliability of electrical systems. Due to the compact and ready-build  an easy installation is possible. 


    The REOWAVE®passive 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 1min; L-PE 2500 V, DC 1min

    • Insulation class: T40 / F

    • Climate class: IEC 60068-1 DIN

    • Protection: IP 20 (also available as IP00 version)

    • Nominal voltage: 400V / 50 Hz

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


     

  • CNW 8981- 60 Hz

    REOWAVEpassive - harmonic filter 60 Hz/480V (IP00)

    CNW 8981- 60 Hz
    • Nominal Voltage: 480 V
    • Rated current: 9 - 1200 A
    • Frequency: 60 Hz

    Reduce Harmonics - save up to 30% energy costs.


     


     


    The REOWAVE®passive filters harmonics caused by  the B6 circuit (thyristor, diode bridge, etc.) and motor drives. The supply network is relieved by compensating the harmonics reactive power. This enables cost savings in material selection and energy consumption. Starting currents and current peaks are greatly attenuated.


    This increases the service life and reliability of electrical systems. Due to the compact and ready-build  an easy installation is possible. 


    The REOWAVE®passive helps to comply with international power quality standards IEEE 519 or EN 61000-3.



    • Nominal voltage: 480V

    • Frequency: 60Hz

    • In accordance with: EN 60289 / EN 61558

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

    • Insulation class: T40 / F

    • Protection: IP00

    • Climate class: IEC 60068-1 DIN

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

    • Nominal voltage: 480V / 60 Hz

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


     

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