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Moyens CEM qualification aéronautique

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Immunity, HIRF - High-Intensity Radiated Field

  • Electric field strengths of 10 kHz à 40 GHz
    • up to 3000 V/m in CW
    • up to 10000 V/m Radar pulses (between 1 and 18 GHz)
  • MSC Reverberation chambers with test methods DO160 and MIL STD461
  • Magnetic fields 10 Hz to 150 kHz
  • Bulk Current injection (B.C.I.) up to 1 Ampere from 10 kHz to 3 GHz
  • AM, FM, pulse and combined modulations

Emission

DC measurements at 40 GHz:

  • Current clamps  10 Hz - 1 GHz
  • Magnetic field antennas  (20 Hz - 30 Mhz)
  • Electric field antenna (10 kHz - 40 GHz)
  • Temporal analysis (DC - 500 Mhz)

Electrical testing

  • Transient overvoltage as perRTCA DO160 F/G, ABD 0100.1.8, ABD 0100 1.8.1C (A350), AMD 24C
  • Sub-transient voltage and specific waveforms, by direct injection or coupling
  • Power cuts
  • Combined electrical (AC/DC) and climatic (-70°C - 180°C) testing
  • Low-frequency immunity for power supply
  • Testing to be performed on direct-current and alternating-current systems from 50 Hz to 800 Hz (3 x 45 kVA bays, can be paralleled to attain 135 kVA, 90 kVA, according to AIRBUS, BOEING, and DO 160 E/F/G section 16 specifications)
  • Harmonic measurements
  • Conducted susceptibilities MIL STD 461/AECTP 500 
    • on antenna ports ES 103, 104,105 and NCS 03,04,05
    • in damped sine waves S 116, NCS 09

Lightning

  • Amplifiers, transformers, field systems and generators according to RTCA DO 160 C/D/E/F/G, AC 20-136, ABD 0100.1.2
  • Generation of Multiple Stroke & Multiple Burst waves according to the following waveforms: 
    • WF1 or 4: 6,4/70 μs
    • WF5B: 50 / 500 μs
    • WF5A: 40 / 120 μs
    • WF2: 0,1 / 6,4 μs
    • WF3: 1 MHz et 10 MHz
    • WF6: 0,244 / 4 μs
    • Up to level 5 of DO 160 and even beyond for WF5A (Airbus ABD levels)

Electrostatic discharge

  • Up to30 kV (C = 150 pF, 330 pF, 500 pF, ... and R = 330 ‎Ω, 2 k‎Ω, 500 ‎Ω, 5 k‎Ω, ...)

Measurements on shielded cables and connectors

  • Measurement of transfer impedance of cables and connectors in a triaxial cell (EN 62153-4-7, EN 62153-4-3) from 10 kHz to 200 MHz
  • Measurement of transfer impedance of connectors by an injection line (EN 62153-4-7, EN 60512-23-3) from 10 kHz to 100 MHz
  • Measurement of transfer impedance by a bulk current injection (BCI) clamp from 10 kHz to 200 MHz
  • Measurement of shielding performance in a mode-stirred reverberation chamber (EN 61726) from 200 MHz

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