EET 422 EMC COMPLIANCE ENGINEERING Prof R T
![EET 422 EMC & COMPLIANCE ENGINEERING Prof R T Kennedy EMC & COMPLIANCE ENGINEERING EET 422 EMC & COMPLIANCE ENGINEERING Prof R T Kennedy EMC & COMPLIANCE ENGINEERING](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-1.jpg)
![Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 2 Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 2](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-2.jpg)
![Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 3 Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 3](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-3.jpg)
![INFORMATION TECHNOLOGY EQUIPMENT (ITE) predominantly generates periodic & binary pulsed waveforms source of interference INFORMATION TECHNOLOGY EQUIPMENT (ITE) predominantly generates periodic & binary pulsed waveforms source of interference](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-4.jpg)
![ORGANISATIONS INTERACTION GENERIC STANDARDS immunity IEC emissions CISPR 22 conducted radiated immunity CISPR 24 ORGANISATIONS INTERACTION GENERIC STANDARDS immunity IEC emissions CISPR 22 conducted radiated immunity CISPR 24](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-5.jpg)
![SCOPE of STANDARDS • electronic business equipment • telecoms terminal equipment • local area SCOPE of STANDARDS • electronic business equipment • telecoms terminal equipment • local area](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-6.jpg)
![• EN 55011: 2007 industrial, scientific, and medical (ISM) equipment • CISPR 11 • EN 55011: 2007 industrial, scientific, and medical (ISM) equipment • CISPR 11](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-7.jpg)
![EMISSIONS ENVIRONMENT CLASS ‘A’ Industrial Environments equipment spread over some distance separate transformer stations EMISSIONS ENVIRONMENT CLASS ‘A’ Industrial Environments equipment spread over some distance separate transformer stations](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-8.jpg)
![EMISSIONS ENVIRONMENT CLASS ‘B’ commercial and light industrial environments domestic office laboratory apparatus or EMISSIONS ENVIRONMENT CLASS ‘B’ commercial and light industrial environments domestic office laboratory apparatus or](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-9.jpg)
![CONDUCTED EMISSIONS appear as currents are measured as voltages represented in limits as d. CONDUCTED EMISSIONS appear as currents are measured as voltages represented in limits as d.](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-10.jpg)
![EN 55022 CLASS ‘A’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz - EN 55022 CLASS ‘A’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz -](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-11.jpg)
![quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 12 quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 12](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-12.jpg)
![79 73 66 Prof R T Kennedy quasi-peak 60 EMC & COMPLIANCE ENGINEERING average 79 73 66 Prof R T Kennedy quasi-peak 60 EMC & COMPLIANCE ENGINEERING average](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-13.jpg)
![EN 55022 CLASS ‘B’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz - EN 55022 CLASS ‘B’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz -](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-14.jpg)
![quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 15 quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 15](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-15.jpg)
![quasi-peak 66 56 56 46 Prof R T Kennedy 60 average EMC & COMPLIANCE quasi-peak 66 56 56 46 Prof R T Kennedy 60 average EMC & COMPLIANCE](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-16.jpg)
![MEASUREMENT UNCERTAINTY quasi-peak “fail” limit + 3. 6 d. Bm. V limit - 3. MEASUREMENT UNCERTAINTY quasi-peak “fail” limit + 3. 6 d. Bm. V limit - 3.](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-17.jpg)
![MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 18 MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 18](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-18.jpg)
![MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 19 MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 19](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-19.jpg)
![UNCERTAINTY 80 -80 RULE average of the n measured values function of the UNCERTAINTY 80 -80 RULE average of the n measured values function of the](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-20.jpg)
![UNCERTAINTY 80 -80 RULE 2 function of the sample size 4 5 6 UNCERTAINTY 80 -80 RULE 2 function of the sample size 4 5 6](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-21.jpg)
- Slides: 21
![EET 422 EMC COMPLIANCE ENGINEERING Prof R T Kennedy EMC COMPLIANCE ENGINEERING EET 422 EMC & COMPLIANCE ENGINEERING Prof R T Kennedy EMC & COMPLIANCE ENGINEERING](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-1.jpg)
EET 422 EMC & COMPLIANCE ENGINEERING Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 1
![Prof R T Kennedy EMC COMPLIANCE ENGINEERING 2 Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 2](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-2.jpg)
Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 2
![Prof R T Kennedy EMC COMPLIANCE ENGINEERING 3 Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 3](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-3.jpg)
Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 3
![INFORMATION TECHNOLOGY EQUIPMENT ITE predominantly generates periodic binary pulsed waveforms source of interference INFORMATION TECHNOLOGY EQUIPMENT (ITE) predominantly generates periodic & binary pulsed waveforms source of interference](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-4.jpg)
INFORMATION TECHNOLOGY EQUIPMENT (ITE) predominantly generates periodic & binary pulsed waveforms source of interference unintentionally coupled via interconnects signal or main leads direct radiation Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 4
![ORGANISATIONS INTERACTION GENERIC STANDARDS immunity IEC emissions CISPR 22 conducted radiated immunity CISPR 24 ORGANISATIONS INTERACTION GENERIC STANDARDS immunity IEC emissions CISPR 22 conducted radiated immunity CISPR 24](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-5.jpg)
ORGANISATIONS INTERACTION GENERIC STANDARDS immunity IEC emissions CISPR 22 conducted radiated immunity CISPR 24 61000 -6 -1 ‘residential’ 61000 -6 -2 ‘industrial’ IEC 61000 conducted EN 55022 radiated EN 55022 EN 61000 emissions CENELEC 61000 -6 -3 ‘residential’ 61000 -6 -2 ‘industrial’ Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 5
![SCOPE of STANDARDS electronic business equipment telecoms terminal equipment local area SCOPE of STANDARDS • electronic business equipment • telecoms terminal equipment • local area](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-6.jpg)
SCOPE of STANDARDS • electronic business equipment • telecoms terminal equipment • local area network equipment (LAN) • PCs servers mainframes • data processing & storage • printers and scanners Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 6
![EN 55011 2007 industrial scientific and medical ISM equipment CISPR 11 • EN 55011: 2007 industrial, scientific, and medical (ISM) equipment • CISPR 11](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-7.jpg)
• EN 55011: 2007 industrial, scientific, and medical (ISM) equipment • CISPR 11 (industrial, scientific, and medical apparatus) • EN 55022: 2006 information technology equipment (ITE) • CISPR 22 ( information technology [IT] equipment) Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 7
![EMISSIONS ENVIRONMENT CLASS A Industrial Environments equipment spread over some distance separate transformer stations EMISSIONS ENVIRONMENT CLASS ‘A’ Industrial Environments equipment spread over some distance separate transformer stations](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-8.jpg)
EMISSIONS ENVIRONMENT CLASS ‘A’ Industrial Environments equipment spread over some distance separate transformer stations for mains supply Class ‘A’ applies to ITE that satisfies Class ’A’ limits but is outside the Class ‘B’ limits Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 8
![EMISSIONS ENVIRONMENT CLASS B commercial and light industrial environments domestic office laboratory apparatus or EMISSIONS ENVIRONMENT CLASS ‘B’ commercial and light industrial environments domestic office laboratory apparatus or](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-9.jpg)
EMISSIONS ENVIRONMENT CLASS ‘B’ commercial and light industrial environments domestic office laboratory apparatus or system connected to the public mains Residential Environment : more controlled Class ‘B’ applies to ITE that satisfies Class ’B’ limits in general no restrictions on its use Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 9
![CONDUCTED EMISSIONS appear as currents are measured as voltages represented in limits as d CONDUCTED EMISSIONS appear as currents are measured as voltages represented in limits as d.](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-10.jpg)
CONDUCTED EMISSIONS appear as currents are measured as voltages represented in limits as d. B m. V levels frequency range 150 k. Hz to 30 MHz Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 10
![EN 55022 CLASS A FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k Hz EN 55022 CLASS ‘A’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz -](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-11.jpg)
EN 55022 CLASS ‘A’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz - 500 k. Hz 66 d. Bm. V 79 d. Bm. V 500 k. Hz - 30 MHz 60 d. Bm. V 73 d. Bm. V Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 11
![quasipeak average Prof R T Kennedy EMC COMPLIANCE ENGINEERING 12 quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 12](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-12.jpg)
quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 12
![79 73 66 Prof R T Kennedy quasipeak 60 EMC COMPLIANCE ENGINEERING average 79 73 66 Prof R T Kennedy quasi-peak 60 EMC & COMPLIANCE ENGINEERING average](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-13.jpg)
79 73 66 Prof R T Kennedy quasi-peak 60 EMC & COMPLIANCE ENGINEERING average 13
![EN 55022 CLASS B FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k Hz EN 55022 CLASS ‘B’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz -](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-14.jpg)
EN 55022 CLASS ‘B’ FREQUENCY AVERAGE LIMITS QUASI PEAK LIMITS 150 k. Hz - 500 k. Hz 56 -46 d. Bm. V 66 -56 d. Bm. V 500 k. Hz - 5 MHz 46 d. Bm. V 5 MHz - 30 MHz 50 d. Bm. V 60 d. Bm. V Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 14
![quasipeak average Prof R T Kennedy EMC COMPLIANCE ENGINEERING 15 quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 15](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-15.jpg)
quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 15
![quasipeak 66 56 56 46 Prof R T Kennedy 60 average EMC COMPLIANCE quasi-peak 66 56 56 46 Prof R T Kennedy 60 average EMC & COMPLIANCE](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-16.jpg)
quasi-peak 66 56 56 46 Prof R T Kennedy 60 average EMC & COMPLIANCE ENGINEERING 50 16
![MEASUREMENT UNCERTAINTY quasipeak fail limit 3 6 d Bm V limit 3 MEASUREMENT UNCERTAINTY quasi-peak “fail” limit + 3. 6 d. Bm. V limit - 3.](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-17.jpg)
MEASUREMENT UNCERTAINTY quasi-peak “fail” limit + 3. 6 d. Bm. V limit - 3. 6 d. Bm. V “pass” / “fail” not proven Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 17
![MEASUREMENT UNCERTAINTY quasipeak average Prof R T Kennedy EMC COMPLIANCE ENGINEERING 18 MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 18](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-18.jpg)
MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 18
![MEASUREMENT UNCERTAINTY quasipeak average Prof R T Kennedy EMC COMPLIANCE ENGINEERING 19 MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 19](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-19.jpg)
MEASUREMENT UNCERTAINTY quasi-peak average Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 19
![UNCERTAINTY 80 80 RULE average of the n measured values function of the UNCERTAINTY 80 -80 RULE average of the n measured values function of the](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-20.jpg)
UNCERTAINTY 80 -80 RULE average of the n measured values function of the sample size standard deviation of the n measured values the measured value of product # n Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 20
![UNCERTAINTY 80 80 RULE 2 function of the sample size 4 5 6 UNCERTAINTY 80 -80 RULE 2 function of the sample size 4 5 6](https://slidetodoc.com/presentation_image/05181c2f4e72a1057332fcfd11f87c45/image-21.jpg)
UNCERTAINTY 80 -80 RULE 2 function of the sample size 4 5 6 7 8 9 10 11 12 2. 04 1. 69 1. 52 1. 42 1. 35 1. 30 1. 27 1. 24 1. 21 1. 2 Prof R T Kennedy EMC & COMPLIANCE ENGINEERING 21