Improved EMC test methods in industrial environments

Short Name: EMC, Project Number: IND60
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Ensuring electromagnetic compatibility


The EU is responsible for 21% of the world’s electrical engineering production, supplying essential components for industrial sectors, from consumer electronics to electric transportation and power generation. The electromagnetic compatibility (EMC) Directive sets the European standard that ensures electrical equipment neither produces nor suffers from electromagnetic interference. To meet this directive, products must undergo electromagnetic emission and immunity testing either in lab assessments or, for installed equipment, on-site. New compatibility testing approaches needed to enable manufacturers to reliably demonstrate compliance with the EMC Directive.

 

The EMPR project, Improved EMC test methods in industrial environments developed equipment and methods for achieving greater accuracy in EMC compliance test measurements, both in the lab and for electrical installations in industrial settings.

 

The project:

 

  • Improved the accuracy of EMC testing in industry using newly developed and improved test methods, and established greater links to laboratory test methods.
  • Developed a fast and easy to use EMC emission testing method for large fixed electrical installations using an oscilloscope and time-domain data analysis software. A comparison against existing test methods confirmed its accuracy, enabling its use to confirm EMC Directive compliance.
  • Developed reference devices for demonstrating that labs accredited for EMC testing are performing testing that complies with the directive. The devices record test signals for later interrogation, allowing labs to confirm ISO 17025 compliance for the first time.
  • Developed special calibration adapters for Line Impedance Stabilization Network (LISN) calibrations. These isolate the devices undergoing testing from mains electrical interference, enabling greater accuracy when determining any interference conducted to the electricity supply via mains cables.

 

This project developed new cost-effective methods to simplify and speed-up EMC testing, supporting continued European competitiveness. Project developments will help electronics manufacturers to reliably evaluate new products during the design stage, potentially accelerating their commercialisation and boosting the competitiveness of European industry.

 

As a result of project participation, Turkey and two new EU member states, the Czech Republic and Slovenia, were able to improve their EMC Directive testing capabilities, and improved their links with other NMIs. A key aspect of the project was developing EMC testing methods and introducing them via on-site demonstrations to industrial users. This project developed EMC testing methods and promoted their uptake via on-site demonstrations to industrial users such as Mecalux during trials at a large warehouse storage facility and trackside to Alstom for electric train EMC compliance. The project’s LISN calibration adapter, and oscilloscope and time-domain emission testing method have both been taken up by the International Electrotechnical Commission, who are responsible for EMC testing normative standards. The adapter has created impetus for a new IEC international standards working group, which will enable greater measurement harmonisation for conducted EMC testing, whilst the time-domain method has been incorporated into the issued standard IEC 62920 Annex B.

Publications
Uncertainty Evaluation of an Alternative Conducted Emission Test Method
2016

Proceeding of the 7th Asia-Pacific International Symposium on Electromagnetic Compatibility & Signal Integrity and Technical Exhibition (APEMC 2016)

Alternative radiated emission measurements at close distance in industry
2016

International Journal of RF and Microwave Computer-Aided Engineering

Comparison of Active Levelling and Pre-Calibrating/Substitution Method for Radiated Immunity Testing of Large Equipment
2016

Proceedings of the 2016 International Symposium on EMC (EMC Europe) Wroclaw, Poland

Validation of a Fully Anechoic Chamber
2016

Proceedings of the 2016 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Shenzhen, China

Protection Against Common Mode Currents on Cables Exposed to HIRF or NEMP
2016

IEEE Transactions on Electromagnetic Compatibility

Reliable Systems Design using Current Boundaries
2016

IEEE Electromagnetic Compatibility Magazine

On-Site Radiated Emissions Measurements in Semi-Reverberant Environments
2016

IEEE Transactions on Electromagnetic Compatibility

Mains Power Synchronous Conducted Noise Measurement in the 2 to 150 kHz band
2016

Proceedings of the 2016 International Symposium on EMC (EMC Europe) Wroclaw, Poland

Time-domain Measurement Technique to Analyze Cyclic Short-Time Interference in Power Supply Networks
2016

Proceedings of the 2016 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Shenzhen, China

Influence of dielectric support on military radiated emission tests above 30 MHz
2016

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)

Experimental Extreme Field Strength Investigation in Reverberant Enclosures
2016

Proceedings of the 2014 International Symposium on EMC (EMC Europe) Gothenburg, Sweden

Influence of Reverberation Chamber Loading on Extreme Field Strength
2016

Proceedings of the Asia Pacific Symposium on EMC (APEMC), Tokio, 2014

Statistical Analysis of Three Different Stirrer Designs in a Reverberation Chamber
2016

Proceedings of the 2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Taipei, Taiwan

Time-Frequency Diversity for Solving the Deadlock in Defining Interference Levels in Power Lines
2016

Proceedings of the 2016 International Symposium on EMC (EMC Europe) Wroclaw, Poland

Drawbacks of a medium sized, grid coupled Photo Voltaic Array
2016

Proceedings of the 2016 International Conference on Renewable Energies and Power Quality (ICREPQ), Madrid, Spain, 2016

Proficiency Testing for Conducted Immunity with a new Round Robin Test Device
2016

International Symposium and Exhibition on Electromagnetic Compatibility Proceedings

GTEM cell as an alternative method for radiated immunity tests: A comparison with an anechoic chamber
2016

2016 International Symposium on Electromagnetic Compatibility - EMC Europe

Decomposition of Electromagnetic Interferences in the Time-Domain
2016

IEEE Transactions on Electromagnetic Compatibility

3D/2D radiation pattern measurement of different GSM phones for EMC applications
2016

2016 International Symposium on Electromagnetic Compatibility - EMC Europe

Improvements in alternative radiated emission test methods with surface wire
2016

2016 International Symposium on Electromagnetic Compatibility - EMC Europe

Alternative Conducted Immunity Tests
2016

IEEE Electromagnetic Compatibility Magazine

Improvement of LISN Measurement Accuracy Based on Calculable Adapters
2016

IEEE Transactions on Instrumentation and Measurement

Alternative conducted emission measurements on mains without LISNs
2016

IEEE Electromagnetic Compatibility Magazine

Improving Time-Domain EMI Measurements Through Digital Signal Processing
2015

IEEE Electromagnetic Compatibility Magazine

Adapter and method for improving the LISN input impedance measurement accuracy
2015

2015 IEEE International Symposium on Electromagnetic Compatibility (EMC Europe 2015)

A method for in-situ measurement of grid impedance and load impedance at 2 k – 150 kHz
2015

Power Electronics and ECCE Asia (ICPE-ECCE Asia), 2015 9th International Conference on

Protection Against Common Mode Currents on Exposed Cables
2015

Proceedings of the 2015 IEEE International Symposium on EMC (EMC Europe), Dresden, 2015

Alternative conducted emission measurements with LISN simulation & CISPR 16 Voltage Probe
2015

2015 IEEE International Symposium on Electromagnetic Compatibility (EMC Europe 2015)

Quantification of Minimal Needed Cable Terminations
2015

Proceedings of the 2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Taipei, Taiwan

A measurement system for radiated transient electromagnetic interference based on general purpose instruments
2015

2015 IEEE International Symposium on Electromagnetic Compatibility (EMC)

Radiated transient interferences measurement procedure to evaluate digital communication systems
2015

2015 IEEE International Symposium on Electromagnetic Compatibility (EMC)

The effect of magneto-dielectric absorbing coating on unsymmetrical antenna cables
2015

Proceedings of the 2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Taipei, Taiwan

Experimental Plane Wave and Random Field Coupling to Uniform and Non-uniform Transmission Lines
2015

Proceedings of the 2015 IEEE International Symposium on EMC (EMC Europe), Dresden, 2015

Alternative conducted immunity testing with multiple CDNs and wire winding
2015

2015 IEEE International Symposium on Electromagnetic Compatibility (EMC Europe 2015)

On the Statistical Properties of the Peak Detection for Time-Domain EMI Measurements
2015

IEEE Transactions on Electromagnetic Compatibility

A new Conducted Immunity Test Device for Inter-Laboratory Comparisons
2015

IEEE International Symposium on Electromagnetic Compatibility and EMC Europe Proceedings

Use of reference limits in the Feature Selective Validation (FSV) method
2014

2014 International Symposium on Electromagnetic Compatibility

APD radiated transient measurements produced by electric sparks employing time-domain captures
2014

Proc. of the 2014 International Symposium on Electromagnetic Compatibility (EMC Europe 2014), Gothenburg, Sweden, September 1-4, 2014

Time-Domain Electromagnetic Interference Measurement System for intermittent disturbances
2014

2014 International Symposium on Electromagnetic Compatibility

Full-Spectrum APD Measurement of Transient Interferences in Time Domain
2014

IEEE Transactions on Electromagnetic Compatibility

Time domain methods for the analysis of conducted interference on the power supply network of complex installations
2014

Proceedings of the 2014 International Symposium on EMC (EMC Europe) Gothenburg, Sweden

Alternative Conducted Emission Measurements for Industry
2014

Proceedings of the 2014 International Symposium on Electromagnetic Compatibility (EMC Europe 2014)

In-Situ Measurement of High Frequency Emission Caused by Photo Voltaic Inverters
2014

Proceedings of the 2014 International Symposium on EMC (EMC Europe) Gothenburg, Sweden

Design and Implementation of Conducted Emission Reference Source
2014

Proceedings of the IEEE International Symposium on EMC, Raleigh NC, 2014

Development of coaxial adapter for calibration of EMC devices
2014

Conference on Precision Electromagnetic Measurements