1. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2861 COST 286 - JTA 2 - EMC analysis of LF unstructured telecom networks Ir. V.Beauvois (V.Beauvois@ulg.ac.be) University of Liège, Belgium

2. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2862 Cost 286 – JTAs Cost Action to unify people in Europe working on the same subject no fund except for traveling and organizing meetings & workshops Cost 286 EMC aspects of diffused communication systems PLC is one of the subject JTA : Joint Technical Actions JTA2 : EMC & PLC STSMs : short term scientific missions Prof. Catrysse, Oostende, Belgium Prof. Heyno Garbe & Sven Batterman, Hannover, Germany Prof. Varju, Budapest, Hungary Prof. Feran Silva, Barcelona, Spain Prof. Newbury, Open University, UK …

3. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2863 Cost 286 – JTA2 & STSMs Prof. Catrysse, Oostende, Belgium Prof. Heyno Garbe & Sven Batterman, Hannover, Germany Prof. Feran Silva, Barcelona, Spain Emission of PLC & methods of measurement (radiated, LCL, AMN, MDF…) Prof. Newbury, Open University, UK Emission measurements in Scotland Prof. Varju, Budapest, Hungary Emission of PLC & methods of measurement on one-to-one scale LV network (BME laboratory) … this week …

4. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2864 Cost 286 – JTA2 & STSMs Prof. Catrysse, Oostende, Belgium Emission of PLC & methods of measurement CISPR/I/PLT framework (1) Radiated emission by an operated PLC system in situ (related to the quality of the network and the PLC modem used)

5. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2865 Cost 286 – JTA2 & STSMs Prof. Catrysse, Oostende, Belgium Emission of PLC & methods of measurement (2) How to characterize the power mains network itself ? Unbalance ? with LISN, LCL or MDF or … ?

6. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2866 Cost 286 – JTA2 & STSMs Prof. Catrysse, Oostende, Belgium Emission of PLC & methods of measurement (3) A PLC modem should be CE (EMC and RTTE directives) to characterize with a well defined power mains reference network (“artificial” power mains network needed and described by DM and CM Z, cable-length, type of wiring, height above ground plane, K-factor of this wiring, LCL and/or MDF) To measure : radiated H-field, LCL and/or MDF of the unit, conducted emission on the mains wiring using a LISN-like setup.

7. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2867 Cost 286 – JTA2 & STSMs Prof. Newbury, Open University, UK Emission measurements in Scotland (Crieff & Stonehaven)

8. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2868 JTA 2 – EMC analysis of LF unstructured telecom networks Preliminary results on a PLC U network (emission & immunity) Ir. V.Beauvois (V.Beauvois@ulg.ac.be) Thanks to Pierre and our students

9. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 2869 Mains or not 2.67m 3m 2.67m H 80cm Initial configuration : U network (no PLC) C2 to Receiver C1 on T.G. A set of 3 power cords for a total length of 8.34m

10. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28610 EMI receiver ESI 26 R&S (20Hz-26GHz) receiver mode measurements between 1-30MHz BW 9kHz frequency step 6kHz Pk & Avg detectors with T.G. Loop antenna HFH2-Z2 R&S Coupling devices C1 & C2 (provided by the Open University, UK) Initial configuration : measurement equipments

11. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28611 Passive network : not connected to power mains of the building C1 & C2 at each end of the U network C2 to ESI receiver (Peak detector) if C1 is not connected – green curve if C1 to ESI T.G. (-20dBm) – blue curve Initial configuration : step 1

12. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28612 Active network : connected to power mains of the building C1 & C2 at each end of the U network C2 to receiver (Peak detector) if C1 is not connected – green curve if C1 to T.G. (-20dBm) – blue curve Initial configuration : step 2

13. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28613 Passive network : not connected to power mains of the building C1 to T.G. (-20dBm) Loop antenna to receiver Influence of loop orientation perpendicular to U base at 1m – green curve parallel to U base at 1m– blue curve Initial configuration : step 3

14. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28614 Passive or Active networks: not or connected to power mains of the building C1 to T.G. (-20dBm) Loop antenna to receiver, parallel to U base at 1m Influence of power mains active network – green curve passive network – blue curve Initial configuration : step 4

15. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28615 Mains 2.67m 3m 2.67m H 80cm Second configuration : U network (with PLC) Laptop A set of 3 power cords for a total length of 8.34m Laptop

16. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28616 EMI receiver ESI 26 R&S (20Hz-26GHz) receiver mode measurements between 1-30MHz BW 9kHz frequency step 6kHz Pk & Avg detectors with T.G. Loop antenna HFH2-Z2 R&S Coupling devices C1 & C2 (provided by the Open University, UK) Powerlan 100 kit Topcom 2 laptops on batteries Second configuration : measurement equipments

17. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28617 Active network : connected to power mains of the building Loop antenna to receiver Second configuration : step 1 Without communicationWith communication Noise floor in the lab

18. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28618 Mains 2.67m 3m 2.67m H 80cm Second configuration : U network (with PLC) Laptop A set of 3 power cords for a total length of 8.34m Laptop C1 on T.G.

19. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28619 Active network : connected to power mains of the building C1 to T.G. (-20dBm) Loop antenna to receiver Second configuration : step 2 Without communicationWith communication

20. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28620 Mains 2.67m 3m 2.67m H 80cm Second configuration : U network (with PLC) Laptop A set of 3 power cords for a total length of 8.34m Laptop C2 on ESI

21. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28621 Active network : connected to power mains of the building C2 to receiver Second configuration : step 3 Without communicationWith communication

22. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28622 Mains 2.67m 3m 2.67m H 80cm Second configuration : U network (with PLC) Laptop A set of 3 power cords for a total length of 8.34m Laptop Clamp

23. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28623 Immunity similar to: IEC 61000-4-4 : Burst generator EM TEST UCS500 & capacitive clamp IEC 61000-4-6 : SMY generator + amplifier + EM clamp 1st time : 150kHz-80MHz with and without AM 2nd time : 4MHz-21MHz with and without AM Powerlan 100 kit Topcom 2 laptops on batteries Second configuration : immunity equipments IEC 61000-4-4 IEC 61000-4-6

24. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28624 Burst signals are applied after the ping communication is launched. Burst during 15ms with a period of 300ms (as in IEC 61000-4-4) Voltage level is increased progressively Above a certain voltage level (580V): 50% of the pings are still received related to the long period without burst … Non received packets (%) Second configuration : Immunity (1)

25. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28625 Burst signals are applied after the ping communication is launched. Burst during 15ms with a period of 15ms (as continuously present) Voltage level is increased progressively Above a certain voltage level (560V) : on/off mode (off, reboot necessary) Non received packets (%) 0 100 4005601000 Injected level (V) Second configuration : Immunity (2)

26. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28626 Burst signals are applied after the beginning of a very big file sending. Burst during 15ms with a period of 300ms Voltage level is increased progressively Above a certain voltage level (580V) : the communication is down. Burst during 15ms with a period of 15ms (as continuously present) Voltage level is increased progressively Above a certain voltage level (580V) : the communication slows down, then the PC is waiting indefinitely until the delay is over and the transfer is interrupted. Second configuration : Immunity (3)

27. ULg - EMC Lab Budapest - 2006 Oct 17 - JTA2 - Cost 28627 [IEC 61000-4-6] limited to 4-21MHz (related to the used PLC band), step 500kHz, dwell time 5s (5 pings). without AM 1kHz : voltage level is increased progressively, the communication is not disturbed or disturbed for a higher level (10-20V) than with AM. with AM 1kHz : voltage level is increased progressively (largely over 10V), the communication is on, and then off (0-100% mode). the level needed to disturb is high because the OFDM modulation is secure. Second configuration : Immunity (4) = Max. reachable level (limited by our amplifier)