Researchers at the University of Vermont have created a new method to handle the strain new electric vehicles will place on the nation’s electric grid. Plug-in electric vehicles, while still a small portion of the automotive market, continue to grow rapidly in popularity in part due to decreasing manufacturing costs and wider availability. In 2013, sales of full electric and … [Read more...]
Radar Interference Mitigation Strategy to Boost Wind Turbine Installations
A new agreement between a UK air traffic services company and two wind turbine developers could unlock up to 2.2GW of potential new wind energy across the UK. The deal, signed between NATS and wind turbine developers SSE and Vattenfall, secures the funding for alterations to two Raytheon-manufactured radar sites— Lowther Hill and Great Dun Fell—to enable better mitigation of … [Read more...]
IEC/TR 61869-102:2014(E): Instrument Transformers – Part 102: Ferroresonance Oscillations in Substations with Inductive Voltage Transformers
From the International Electrotechnical Commission webstore: "IEC/TR 61869-102:2014(E) provides technical information for understanding the undesirable phenomenon of ferroresonance oscillations in medium voltage and high voltage networks in connection with inductive voltage transformers. Ferroresonance can cause considerable damage to voltage transformers and other equipment. … [Read more...]
Chip Fuses for Low Loss and Overcurrent Protection
Schurter, a manufacturer of fuses, connectors, circuit breakers, input systems and EMC products, now offers a broad range of chip fuses developed specially for low-loss and precise overcurrent protection in secondary circuitry. Ideal for a wide range of applications such as mobile and battery-operated devices in sensor technology and industrial electronics, the Schurter chip … [Read more...]
European Commission Releases New EMF Exposure Report
A European Commission health committee has released a new updated preliminary study on the health effects of exposure to electromagnetic fields. Published by the Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR), “Potential Health Effects of Exposure to Electromagnetic Fields” is an update to a 2009 study and aims to take into account technological … [Read more...]
High Power Filter Modules Offer Easy System Integration
The Schaffner Group, a provider of EMC and power quality solutions, has announced its ECOsine passive harmonic filters are now available as open frame modules with extended power rating up to 400 kW/50 Hz and 500 HP/60 Hz. According to the company, the new modular filter concept specifically targets the requirements of integrators and the challenges of fitting a large amount … [Read more...]
‘Superlens’ Could Lift Restrictions on Wireless Charging
Scientists at Duke University have developed a new method of transmitting power wirelessly over much greater distances than previously achieved, bringing us closer to the possibility of a society where mobile electronic devices can be charged virtually anytime, anywhere. While the idea of wirelessly transferring power to an electronic device is not a new concept, experimental … [Read more...]
Stand-Alone Generator for Slow Damped Oscillatory Wave Testing
Teseq, a manufacturer of EMC emission and immunity testing instrumentation, has released the NSG 3040-SOW, a new stand-alone generator for slow damped oscillatory wave testing in single phase equipment up to 270 V and 16 A. Ideal for use by power stations, substations, electric meter manufacturers, relays and switch manufacturers as well as EMC testing labs, the NSG 3040-SOW … [Read more...]
EMC – Grounding on Automation and Control Systems Applications to Eliminate Electromagnetic Interference in Industrial Plants
Author Roberto Menna Barreto QEMC - Engenharia, Qualidade e Compatibilidade Eletromagnética Ltda., Rio de Janeiro, Brazil menna@qemc.com.br Summary The preservation of signals and equipment are generally characterized by the term Electromagnetic Compatibility (EMC), whose essence will translate in its own grounding system. The proper EMC improvement in the … [Read more...]
System Uses EM Waves to Deliver Wireless Power through the Air
At the recent TED Global Conference in Oxford, UK, a US-based technology firm, WiTricity, demonstrated a system that delivers electricity through the air to power laptops, cell phones, and other electrical devices. This new system is based on the work of Professor Marin Soljacic, a physicist at the Massachusetts Institute of Technology. The concept of sending power wirelessly … [Read more...]
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