Service Offer



Dielectric Tests
  • AC voltage test up to 1.000 kV AC
  • DC voltage test up to 1.400 kV DC
  • lightning impulse voltage test 1.800 kV
  • switching surges 1.600 kV
  • partial discharge measuring according to IEC 270
  • three-phased continuous tan δ-measurement
EMC Open Field Measurements

Low Frequency Field Measurement

  • E-Field: 1 V/m ≤ E ≤ 20 kV/m
  • E-Field: 5 Hz ≤ f ≤ 400 kHz
  • H-Field DC: 0,5 µT ≤ H ≤ 20 mT
  • H-Field AC: 5 nT ≤ H ≤ 20 mT
  • H-Field AC: 10 Hz ≤ f ≤ 30 kHz

High Frequency Field Measurements

  • E-Feld: 1 V/m ≤ E ≤ 300 V/m
  • E-Feld: 10 kHz ≤ f ≤ 1 GHz
  • H-Feld: 40 .. 5 dB
  • H-Feld: 9 kHz ≤ f ≤ 30 MHz

Measurement of Shielding Effectiveness

  • E-Feld: 30MHz ≤ f ≤ 1 GHz 120 dB
  • H-Feld: 9 kHz ≤ f ≤ 30 MHz 95 dB

Specifics/ Tests

  • transportable, independent of the mains voltage
  • automated measurement algorithm
  • field environment measurements according to BimSch, for example at line routes, transformer stations etc.
EMC Equipment Testing
  • ESD (electrostatic discharge)
  • burst (low-energy transient disruptions such as switching operation of relays)
  • surge (high-energy transient disruptions such as the expansion of external excess voltage)
  • mains failure and variation
  • interference immunity (emission) against high-frequency fields
  • conducted disturbances of high-frequency fields
Power and Energy Measurements

Direct Measurements

  • voltage: U ≤ 110 kV
  • voltage: 5 Hz ≤ f ≤ 1,25 MHz
  • power: I ≤ 3000 A
  • power: DC ≤ f ≤ 300 kHz

    Measuring transformer

    • voltage: U ≤ 400 V
    • voltage: DC ≤ f ≤ 30 kHz
    • power: I ≤ 100 A
    • power: DC ≤ f ≤ 30 kHz
      Quality of Energy
      • FFT Analyzer
      • THD Analysis
      • recognition of direction of harmonics according to DIN EN 50160
      • analyzer  of harmonics according to DIN EN 61000-4-7 up to hundredths harmonic
      Climatic Test
      • tests of limit temperature -50°C until + 80°C
      • icing test up to 20 mm clear ice
      • experiments concerning the aging process
      Transformer Laboratory

      Voltage and Power Converter (primary)

      • voltage converter: 1 kV ≤ Up ≤ 420 kV
      • power converter: 1 A ≤ Ip ≤ 6000 A

        Conventional Converter (secondary)

        • power: 1 A und 5 A
        • frequency: 50 Hz und 60 Hz
        • voltage: 40 V ≤ Us ≤ 140 V

        Non-Conventional Converter (secondary)

        • voltage: 1 V ≤ Us ≤ 8 V
        • power: 400 mV ≤ Us ≤ 4 V
        • frequency: 50 Hz und 60 Hz
        • range of work 1 .. 200 %
        • voltage probes up to 5kV
        • flexible power converters up to 3.000  A, conductor diameter  max. 20 cm
        • optical transmission path for time synchronized  triggering of two measurement devices
        • voltage divider up to 110kV, measurement  of transient reactions

        Contact

        Dipl.-Ing. Dirk Lehmann
        T +49 (0) 355 69 4032
        dirk.lehmann(at)b-tu.de

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