Service Offer
- 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
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.
- 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
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
- 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
- tests of limit temperature -50°C until + 80°C
- icing test up to 20 mm clear ice
- experiments concerning the aging process
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