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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on as a courtesy and upon agreement with AVERE.
Open AccessArticle

Developing a Test Procedure to Evaluate Electric Vehicle Supply Equipment and Chargers

Southern California Edison, 265 N East End Ave Pomona California 91767 USA
Southern California Edison, 265 N East End Ave Pomona California 91767 USA
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2012, 5(3), 708-713;
Published: 28 September 2012
PDF [190 KB, uploaded 17 May 2018]


This paper describes the processes used and the choices made while developing a procedure to evaluate Electric Vehicle Supply Equipment (EVSE) and Plug-in Electric Vehicle (PEV) chargers and provides some results of the testing process. The procedure defines the battery charging system (i.e., the battery charger, EVSE, battery storage system, auxiliary loads, and vehicle). Each test element is evaluated in terms of function, reliability, safety, quality, cost, efficiency and power quality. The development of a charging system evaluation procedure comes from Southern California Edison’s (SCE) responsibility to ensure safe and reliable function and to minimize system impact. Up to one million PEVs have been projected to be operating in SCE’s service area by 2020. SCE must not only serve these PEVs, but must ensure that they do not have a negative impact on the utility grid. Therefore it is critical that SCE understand the impact of those battery charging systems. SCE also supports the creation of standards to limit wasted energy and negative power quality impacts that these battery charging systems may create. SCE is also using the test procedure to evaluate EVSEs and PEV charging systems for implementation in SCE’s fleet. The results of this procedure are used to give fleet managers the information needed to acquire the most effective and efficient PEV charging equipment. The results will also tell a fleet manager or PEV owner what EVSE would work best with their selected vehicle or vice versa. The procedure provides for the discovery of PEV and EVSE individual and compatibility issues before the PEV is deployed. The final result ensures optimum performance of the PEV system. Through this process, SCE has been able to work with manufacturers of PEVs and EVSEs in order to improve the functionality, robustness, and interoperability of the products.
Keywords: Charging; Infrastructure; Fleet; Reliability; Safety Charging; Infrastructure; Fleet; Reliability; Safety
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Hodson, R.; Smith, J. Developing a Test Procedure to Evaluate Electric Vehicle Supply Equipment and Chargers. World Electr. Veh. J. 2012, 5, 708-713.

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