Impact Analysis of Off-board Charger to Power Quality

DOI: 10.4236/epe.2013.54B253   PDF   HTML     4,342 Downloads   5,360 Views   Citations


In this paper, we tested the entire charging process of a single off-board charger in one charging station in Beijing. Among the testing data, we chose the typical power quality parameters and compared them with national standard. Then we drew conclusions as follows: 1) Electric vehicle battery is the capacitive load. It can export reactive power when charging. 2) In the charging process of the off-board charger, indicators of voltage deviation, frequency deviation, power factor, and voltage distortion rate are qualified. 3) Off-board charger produces odd harmonics in the charging process, and with increasing harmonic order, harmonic content reduces. There is a certain amount of high-order harmonic in off-board charger, mainly distributing around 6650 kHz. 4) Generated harmonics of the actual device, the harmonic is mainly reflected in the current, voltage, only a small distortion.

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Y. Fan, C. Guo, W. Qi and Z. Tang, "Impact Analysis of Off-board Charger to Power Quality," Energy and Power Engineering, Vol. 5 No. 4B, 2013, pp. 1337-1343. doi: 10.4236/epe.2013.54B253.

Conflicts of Interest

The authors declare no conflicts of interest.


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