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E-Mobility Solutions

E-Mobility Solutions

e-Mobility Solutions
Products for the clean generation of electrical energy for use in electric mobility.

 

  • Test equipment for e-mobility
  • Components for testing
  • Components for charging stations and PowerQuality
  • Components for electric motors -fuel cell or purely electric-


 
Customized solutions

In addition to a wide range of standard products, we naturally also develop customer-specific solutions.

  • CNW M 933

    Three-phase sinusoidal filter

    CNW M 933
    • Rated current: 2 - 37 A
    • Inductance per strand: 1,9 - 29,3 mH

    Sinusoidal input current - save costs and trouble-free operation.


    The mains chokes in fully encapsulated version are specially designed for rough environments and offer a very good mechanical protection of the component. The fully encapsulation allows design up to protection ratings IP 66.


    For particularly long cable lengths of > 100m between inverter and motor the shielded cable for EMI suppression used can cause a capacitive coupling. 


    The sinusoidal filter is a low pass from inductance and capacitance and has a very low resonance frequency. So it is able to generate a largely sinusoidal current. The operation and the loss balance of the asynchronous motor behave like the normal mains operation. The typical motor noise with converter do not occur and a shielded cable to the motor can be dispensed. Losses and heating are greatly minimized and the leakage current will be reduced. Longer motor cable lengths are possible. The motor insulation is protected, thus increasing the service life.


    The sinusoidal filter also attenuates the conducted interference in lower frequency range very good. 



    • Rated voltage: U ≤ 3 x 500 V

    • Max. voltage ripple: 5%

    • Field frequency: 0 - 60 Hz

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

    • Short-circuit voltage Uk: 8% (bei 400V)

    • Voltage drop: 18,4 V/Strang (bei IN und 50Hz)

    • Max. Cable length to the motor: 600 m (unshielded) 1000m (shielded)

    • According to: EN 60289 / EN 61558

    • Test voltage: L-L 2500 V, AC/50Hz 1 min; L-PE 2500 V, AC/50Hz 1 min

    • Insulation class: T40/F

    • Protection class: IP 54/66

    • Climatic category: 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

  • Series WKO-2C-B

    Double core technology closed-loop current transformers for railway engineering

    Series WKO-2C-B
    • Primary rated current: 500 - 2000 A
    • Measurement range: 0...3000 A
    • Frequency range: 120000 Hz

    The current transducer WKO-2C-B with hall effect elements and double-core  technology has an extended frequency response up to 150 kHz and an accurate phase response. The WKO-2C-B guarantees an increased current measurement accuracy better than 0.3% in the whole frequency range: DC to 150 kHz.


    A completely redesigned electronics ensures that the new C/L current transducer has better drift compensation and an extended temperature range from -40°C to 85°C.


    Modular design


    The current transformer has a modular design which allows a variety of mounting options. The cost-effective basic model consists of a housing with screw terminals, bushing for cable and holes for fixing. Optionally, the transducers are available with mounting kit for busbars, molex connectors and feets for horizontal or vertical mounting.


    According to: 



    • EN 50178:1997

    • UL 94-V0

    • EN 50178            

    • EN 50155:2007

    • IEC 61373:2010


    Typical applications



    • Railway engineering

  • 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



  • REOHM series D 330

    Watercooled, max. continous power: 60.000 W

    BW 156
    • Resistance values: 1 - 100 Ohm
    • Continuous power: 15000 - 60000 W
    • max. operating voltage: 800 V

    The REO braking resistor D 330 converts excess braking energy into useful heat and is thus ideally suitable for electrical or hybrid drives.  The water cooling makes an additional space saving of up to 88% possible as compared to a traditional air-cooled braking resistor.  As an extra feature, the resistor can easily be connected with drip-free quick fasteners. Due to a very high performance even in confined spaces the BWD 330 is ideal for the use in wind power technology, too. Harsh environmental conditions, such as salt spray are no problem with the high protection degree up to IP 69K.


    As BW (Braking resistor)


    When an electric machine operates as a generator (Electromotive brake), the brake resistor protects the machine from a voltage rise in the intermediate circuit. The current reduces als the speed of the machine. 


    As R (Charging resistor, damping resistor, filter resistance, etc.)


    The charging resistor is a current limiting resistor for the charging and discharging of capacitors and limitates for example the current flowing into the intermediate circuit capacitor inrush current. For this the device must be designed for a high single pulse energy and nominal voltage. The inductance of the resistor contributes to limit the inrush current, so wirewound resistors are the right choice.


    Applications



    • Electrical or hybrid drives

    • Wind power

    • Industrial applications


     


    Maximum energy with minimum space



    • Protection IP20 up to IP69 K

    • Test voltage 2,5 kV AC

    • Other power ratings on request



    Optional



    • With temperature switch




  • REOHM series NTT R D 158

    Max. continous power: 2600 W

    BW 156
    • Resistance values: 0,1 - 1 Ohm
    • Continuous power: 100 - 1210 W
    • max. operating voltage: 4200 V

    The resistor NTT RD 158 is a water-cooled damping resistor, which is used for traction in railway applications. The resistor is used in series with filter capacitors in the 1.5 kV and 3 kV DC network. 


    For this purpose, the device must be designed for a high single pulse energy and nominal voltage. The inductance of the resistor contributes to limit the inrush current - here are wirewound resistors the right choice.


    The advantage of the resistance unit NTT R D158 is that 4 damping resistors are housed in one unit. This means a compact construction and low cost when connecting the resistor.


    REO high-voltage resistors are designed, produced and certified specifically for the railway technology. The specially designed winding technology allows a higher withstand voltage due to the spatial separation of the wires. The use of railway-compatible, high quality materials, together with the complete encapsulation in profile design lead to protection classes up to IP 65.


    Maximum energy with minimum space



    • Continuous output: 2600 W

    • Max. operating voltage: 4200V

    • Resistance value: 0,1 - 1Ohm

    • Average pulse load: 1x per hour 20kWs - within 100ms

    • Maximum pulse load: 20x per year 120kWs -within 20ms

    • Protection class: IP00-IP65

    • Other ratings upon request


  • REOHM series D 158

    Max. continous power: 60.000 W

    BW 156
    • Resistance values: 2 - 850 Ohm
    • Continuous power: 1000 - 60000 W
    • max. operating voltage: 1000 V

    The series D 158 can be used as braking or load resistor for drive technology, industrial applications, test fields, E-Mobility and railway engineering with integrated water cooling. Thanks to localised, optimised cooling, high outputs can be generated in the smallest space with low heat generation. It is also possible to deploy it in areas with high ambient temperatures.


    The resistors are available as braking-, load-, or highvolt resistors.


    Applications:



    • Drive technology, frequency converters

    • Railway

    • E-Mobility

    • Test systems


     


    Maximum energy with minimum space



    • Protection IP20 up to IP66

    • Test voltage 2,5 kV AC

    • Ambient temperature: -15 to +80ºC

    • Other fixing points or power ratings on request



    Optional



    • With temperature switch


     

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