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Upcoming Events:


NOTICE:

2015 IEEE Symposium on EMC&SI, March 15-21

Deadlines for Technical Submission are upcoming.



Date: Tuesday, September 09, 2014

5:30pm: Networking/light dinner
6:30pm: Presentation
7:45pm: Adjourn

Water and soft drinks are free. Light dinner is available for a small fee.

Location: Agilent Technologies

Title

Using Partial Discharge Waveforms to Diagnose Energized Medium Voltage (12kV 34.5kV) Cables and Switchgear

Speaker

Ashley Harkness , Electrical Reliability Services

Abstract

The session attendees will become acquainted with detection techniques and analysis of Partial Discharge (PD) waveforms. Early detection of PD can allow maintenance personnel focus and prioritize maintenance efforts to minimize unplanned electrical power outages.

Biography

Ashley Harkness

Ashley Harkness joined Electrical Reliability Services (then known as Electro-Test, Inc.) in 1982. His duties have included a wide spectrum of specialized electrical measurement and testing projects including European Community Machinery and EMC Electromagnetic Compatibility Directive testing, basic insulation level (BIL) impulse testing, process & control instrumentation acceptance and testing, electrical equipment forensic investigations, and electrical product safety testing. In addition, Ashley is a technical resource with company-wide training and responsibilities. Since 2005, Mr. Harkness has been the technical manager for the ERS Medium Voltage Systems (Switchgear and Cables) On/Off Line Partial Discharge/cable testing Initiative. In this capacity, he has taken a lead in direct application of test equipment and processes, training of technical staff, and customer sales presentations.


Date: Tuesday, October 14, 2014

5:30pm: Networking/light dinner
6:30pm: Presentation
7:45pm: Adjourn

Water and soft drinks are free. Light dinner is available for a small fee.

Location: Agilent Technologies

Title

Gigahertz Two-Band Common-Mode Filters for 10-Gbit/s Differential Signal Lines

Speaker

Miroslav Pajovic

Abstract

In addition to the desired differential signals, the undesired and EMI harmful common-mode noise may propagate along differential signal lines. Conventional common-mode filters such as ferrite chokes - which work well in lower frequencies below 1 GHz have limited effectiveness in the gigahertz frequency range. To suppress critical common-mode at gigahertz frequencies without degrading quality of the differential signals, the gigahertz common-mode filter structure is proposed herein. This design is directed to a compact-size electromagnetic band gap (EBG) structure suitable for placement in multilayer PCBs, individual IC chip packages, or in optical transceiver modules. The filter provides common-mode suppression at 10-Gbit/s differential signal lines at the frequencies 10.3125 GHz and 20.625 GHz, where common-mode noise can be highly problematic.

Biography

Miroslav Pajovic

Miroslav is currently an EMC Design and RF/Antenna consulting engineer. Previously, he was an EMC technical lead, designer and researcher in Cisco Systems, San Jose, CA; Senior EMI/RF engineer in Nortel Networks, Santa Clara, CA; and Principle RF System Engineer in several HF/RF Centers in Washington DC, USA and Yugoslavia. He holds Diploma Degree in Electrical and RF Engineering (equivalent to M.S. degree) from Belgrade University, Serbia, Yugoslavia. He is an author of several IEEE EMC Transactions papers published in 2007, 2008, 2010, and IEEE EMC International Symposium paper, 2013. Also, he filed USA patents in 2011 and 2012. Currently, he is focusing on R&D of Metamaterial antennas and related microwave circuits for EMC and RF/Microwave applications. .