Electrical Engineering and Computer Science Newsletter | Volume 7, 2018
Welcome to the latest issue of Exponent's Electrical Engineering & Computer Sciences Newsletter. Our experience gives us an in-depth understanding of the complexity of the technology sector, and this newsletter is a repository for that insight.  

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Articles

  • Arc Flash Hazards in Wind Turbines
    Renewable energy is consistently increasing its penetration into the electrical power market. Distributed energy resources such as wind turbines and solar panels are the leading power generation technologies behind renewable energy and its expanding market share capture. Many governments across the world are setting mandates and/or futuristic goals to have a certain percentage of electricity generated by renewable energy resources. There are even tax incentives and subsidies to foster growth and attract manufacturers to build wind and solar farms.
  • Compatibility of Medical Devices with Electromagnetic and Wireless Signals
    Wireless charging is among the fastest-growing segments of technology. But with this advance comes a potential cost, known in the industry as electromagnetic compatibility. Devices need to be able to operate successfully in the presence of potential interference from other devices and each one needs to consider the possible effects of their own emissions on other devices. Arguably medical devices are the most important group of devices in need of high electromagnetic immunity, particularly those with life-saving capabilities such as pacemakers and implanted cardioverter defibrillators.
  • How is the U.S. Attempting to Build a Resilient Grid? Difference Between a Resilient Grid vs Back Up Power
    After Superstorm Sandy hit in 2012, many stakeholders discussed the need to build a more resilient grid. The concept was not just invented in the aftermath of the hurricane, but as many states looked to rebuild their grids after natural disasters or simply modernize their electricity grids into utility grids of the future, the concept of “resiliency” became increasingly raised. Resiliency is based on building a grid that is more robust and can withstand the impact of natural or manmade disasters and continue to operate and provide power to end-users. [Read More]
  • Electrical Hardening Techniques for Outdoor Printed Circuit Boards

    When designing PCBs rated for outdoor use with an enclosure, many factors need to be considered to protect the PCB. These include, but are not limited to, temperature, dust particles, vibrations, electrical interferences, and many other environmental factors such as rain, snow, hail, and vermin. The design of the PCB and the enclosures that house them must bare these conditions in mind. This article will explore some guidelines, testing techniques, and potential methods to help protect PCBs from external environmental elements. 

  • Data Analytics: From Smart Meters to Smart Decisions
    The power grid in the U.S. was initially started in the 1890s and has been expanded and upgraded over time. In order to meet increasing power demand and to intelligently incorporate new equipment, while also preventing blackouts and power losses, the power grid must evolve. Technological changes are being implemented throughout the entirety of the power grid that facilitates the evolution of a grid that can automate, cope with increasing complexity, and adapt to changing needs and demands.
  • Supercapacitors: A Comparative Analysis
    Batteries, fuel cells, capacitors, and supercapacitors are all examples of energy storage devices. The many advantages of supercapacitors make them an attractive component for use in energy storage application. However, it is critical to ensure that the supercapacitors are operated within their specifications. Operating the supercapacitors outside their rated specifications can very quickly eliminate any advantages that the supercapacitors bring to an application.

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