Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Diethard E. C. Moehr, I&S CTF EMC

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 2 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measurement procedure according to CISPR 16, Part 1 (VDE 0877 Part 1 and 2) Measurement procedure for conducted emission on power lines and on data and signal lines:  VDE 0877, Part 1 (CISPR ) Measurement procedure for radiated emission:  electrical field  VDE 0877, Part 2 (CISPR )

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 3 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring Standards on EMC The measuring standards for emission are product related. This means that there are standards designated to special products or product groups. The measuring standards for immunity are phenomena related. This means that different immunity phenomena have to be tested independent of the product group. Emission Immunity

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 4 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring equipment needed for emission measurements  LISNs  Screened Rooms  Measuring receivers with Average and CISPR detectors  Auxiliary measuring equipment Conducted emission10 kHz - 30 MHz Radiated emission30 MHz - 1 GHz  OATS with field attenuation according to CISPR 16 and VDE 0877, Part 2  Measuring receivers with Average and CISPR detectors  Auxiliary measuring equipment

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 5 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring procedure for radiated emission Measuring distance: 10 meters No ambient noise OATS according to CISPR 16 and VDE 0877 Part 2 EUT emission maximum has to be recorded  360 ° turning of the turntable  Altitude variation of the receiving antenna meter  Horizontal & vertical polarization Install the EUT like in reality

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 6 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring procedure for radiated emission OATSReceiving antennaEUT Measuring receiverTripod & antenna mastTurntable

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 7 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring procedure for conducted emission - Part 1 1metal sheet 2 m x 2 m 2EUT 3bundled cable 4LISN 5shielded interconnection cable 6measuring receiver Bearthing point Mconnection to measuring receiver Pconnection EUT Measuring set up for an EUT supplied by public mains Measure in cm DIN VDE 0877, Part 1

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 8 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring procedure for conducted emission - Part 2 1metal sheet 2 m x 2 m 2EUT 3power supply cable 4separate connection cable 5LISN 6touchable metal surface of the EUT Aconnection power supply Bconnection earthing point Pconnection EUT Hconnection artificial hand Mconnection measuring receiver Dmetal foils ground separate from power supply EUT with artificial hand Measure in cm DIN VDE 0877, Part 2

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 9 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring procedure for conducted emission - Part 3 1metal sheet 2 m x 2 m 2EUT (Fax machine) 3power supply 4communication cable 5V- LISN 6 - LISN 7measuring receiver Bearthing point Mconnection to measuring receiver Pconnection EUT Measuring set up for an EUT with different supply cables Measure in cm DIN VDE 0877, Part 3

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 10 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity phenomena  Rubbing or heating up of non conductive materials  Triboelectric effect ESD RFI  Radio & TV stations  Walkie talkies  Wireless communication  Mobile phones and others

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 11 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity phenomena  All electrical switches  Contactors  Fluorescent lights and other gas discharge devices BURST SURGE  Lighting  Switching of large Loads COND. IMMUNITY  Coupling of sinusoidal disturbances into cables

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 12 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring equipment needed for immunity tests BURST SURGE CONDUCTED IMMUNITY ESD RFI ESD Simulator Transmitting antennas, generators, power amplifiers, anechoic chambers, field sensors and other auxillary equipment BURST simulator and coupling clamps and devices SURGE simulator and coupling clamps and devices Generators, coupling / decoupling networks (CDNs) For all immunity tests it is at least recommended to use shielded rooms.

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 13 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity test procedures Electrostatic discharge

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 14 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions The Triboelectric Effect Ü The reason for the discharge of static electricity is the Triboelectric Effect. Ü Non conductive material have the tendency to build up static electricity if they are rubbed against each other or if they are heated up. Air Artificial resin Glass Nylon Hair Silk Cotton Wood, Paper Amber Polyurethane Polyethylene Rubber PVC Silicon Teflon + -

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 15 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions The Triboelectric Effect-2

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 16 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Typical output current waveshape of a human body discharge

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 17 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Typical output current waveshape of the ESD simulator

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 18 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Test impulse as per the old IEC Test impulse as per IEC Test Waveforms in IEC Standards -- Time Waveforms

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 19 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Frequency spectrum as per IEC Frequency spectrum as per IEC Test Waveforms in IEC Standards -- Frequency Spectra

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 20 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Circuit diagram of the ESD simulator discharge switch discharge tip (vacuum relay)  10 pF 150 pF

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 21 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Measuring set up for verification of the ESD pulse (direct contact of the discharge tip) power supply Shielded room 50 R 2 R ESD-Simulator Earth cable Discharge Resistor Wall of the shielded room N-Connector 50 cm SUHNER RG 214 U -20dB BNC Connector BNC 50 R Tektronix Printer

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 22 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity test procedures Immunity against radiated fields

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 23 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions wooden table 0,8 meters high power supply filter transmitting antenna feed throughs measuring instruments generator amplifiers feed throughs ferrite or filters for cable decoupling internal cable length < 1 meter anechoic chamber control room amplifier room floor absorbers area of uniform field Setup for radiated field testing

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 24 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity test procedures Low energy fast transients

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 25 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Low energy fast transients Part 1  Power switches vacuum relays, contactors, relays and others  protective devices (fuses, gas discharges and others)  electrical motors with brushes like in vacuum cleaners, hair dryer and motors in industrial applications Sources of Noise Coupling mechanism Receptors  Power lines data lines signal lines communication lines  Electrical and electronic devices of any kind Principle of source  coupling  receptors applied to low energy fast transients (BURST).

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 26 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Low energy fast transients Part 2 Test levels for BURST testing

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 27 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Low energy fast transients Part 3 Principle of the BURST generator Gas Discharge UC S R S C D R M 50 Ohm coaxial output U voltage source charging resistor charging capacitance pulse forming resistor matching resistor decoupling capacitance C D R L C S R S R M

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 28 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Low energy fast transients Part 4 BURST impulse package Pulse repetition rate 5 kHz V O t/msec

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 29 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Low energy fast transients Part 5 Single BURST pulse 50 nsec +/- 30 % 5 nsec +/- 30 %

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 30 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Immunity test procedures High energy transients

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 31 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 1 U high voltage source charging resistor charging capacitance pulse forming resistor matching resistor inductance to adjust the rise time of the pulse L r R C C C R S1 - S2 R m Circuit diagram of the generator (combination wave generator)

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 32 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 2 Rise time:T = 1,67 x T = 1,2 µsec ± 30 % 1 Time of 50 % amplitude: T = 50 µsec ± 20 % 2 Pulse shape of open circuit voltage according to IEC

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 33 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 3 Rise time:T = 1,25 x T = 8 µsec ± 20 % 1 Time of 50 % amplitude: T = 20 µsec ± 20 % 2 Pulse shape of the short circuit current according to IEC

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 34 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 4 Rise time:T = 1,67 x T = 10 µsec ± 30 % 1 Time of 50 % amplitude: T = 700 µsec ± 20 % 2 Pulse shape of the open circuit voltage according to CCITT

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 35 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 5 Coupling network for SURGE pulses for a. c. and d. c. mains

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 36 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions SURGE testing Part 6 Recommended test levels according to IEC

I:Moehr\Folien\B09-09_test_Argentina_03_Logo_03-07.PPT Folie 37 Industrial Solutions and Services Your Success is Our Goal EMC Testing for Emission and Immunity Common Technical Functions Comparison of ESD, BURST and SURGE tests

Industrial Solutions and Services Your Success is Our Goal Thank you very much for your attention. Contact: Diethard Moehr I&S CTF EMC Schuhstraße 60 D Erlangen Phone: +49 (9131) Mail: