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  • 03-Apr-2017 09:49 EDT

SAE Eye on Engineering: WCX17 Hits Detroit

This week, thousands of technology experts are descending upon Detroit for SAE's WCX17. In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at this year's event.

SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering.

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2012-03-29
Wireless power transfer (WPT) of plug-in and battery electric vehicles (PEV�s) rely on loosely coupled transformer operating in magnetic resonance to tune out reactive effects. Depending on the degree of coupling, such systems experience a single peak response that trends to bifurcate as the coefficient of coupling increases. This places additional burden on the WPT grid side power controller to not only manage the power transfer process but to manage the transmit coil to receiver coil reactive power in response to vehicle ground clearance and misalignment tolerance. In addition, the WPT rectified output voltage must dynamically match the vehicle on-board regenerative energy storage system (RESS). This paper examines the essentials of WPT operation and challenges facing the commercialization of wireless charging. Experimental results obtained from the Oak Ridge National Laboratory WPT apparatus are presented as validation of the theory. Presenter John Miller, ORNL
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2012-03-27
Presentation will concentrate on a brief overview of SAE International including history, international focus and SAE electro-mobility ground vehicle standards development activities. The new era of mobility and the driving forces behind it including converging technologies and today�s drive toward �green� will be discussed. Also, standards and technology enablers for vehicle electrification including, the global landscape for EV charging standards and next generation charging method approaches will be reviewed. Additionally, an overview of SAE global EV Battery Standards and activities including industry/government collaborative efforts to develop lithium ion rechargeable energy storage system safety standards will be provided. Presenter Keith Wilson, SAE International
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2012-02-01
Plug In Charging Systems are mainly responsible for transferring energy from the electric power grid into one or more vehicle energy storage devices (e.g. batteries). A satisfactorily operating Plug in Charging System has the following three key performance characteristics. First, the charge process starts up easily. Second, it completes the charge process within some expected time. Third, it charges efficiently so that excessive amounts of power are not wasted. When a Plug In Charging System malfunction exists and negatively affects one or more of these key performance criteria, it is the responsibility of the OBD monitoring system to identify the fault and notify the customer. The presentation will discuss the key performance characteristics described above and some of the diagnostic strategies used to detect faults. The discussion will also include an overview of MIL illumination and freeze frame storage capabilities.
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2016-04-12
In “EV Charging and the Vehicle-to-Grid Potential” (10:29), engineers from NextEnergy show how users can take advantage of electric vehicles not only as green transportation, but also as power suppliers. The case study of a bi-directional vehicle-to-home charging project is presented in detail. Qualcomm’s Halo technology for wireless EV charging is also demonstrated in this episode. This episode highlights: NextHome, an experiment that makes bi-directional charging a reality How to integrate energy systems to manage energy flows from the car, the house and the grid How to manage the way we can purchase energy for different purposes when prices are the most affordable Also Available in DVD Format To subscribe to a full-season of Spotlight on Design, please contact SAE Corporate Sales: CustomerSales@sae.org or 1-888-875-3976.

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