By Topic

Photovoltaic power system with integrated electric vehicle DC charger and enhanced grid support

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Traube, J. ; Univ. of Colorado, Boulder, CO, USA ; Fenglog Lu ; Maksimovic, D.

This paper describes a photovoltaic (PV) power system with integrated bidirectional electric vehicle (EV) DC charger. The system enables fast and efficient EV battery charging while providing enhanced grid support by limiting the ramp rate of the PV inverter output power. Charger operation is described in three distinct modes: charging only, charging with grid support, and grid support only. A prototype system consists of a 15 kW grid-tied PV system, a 10 kW, 98% efficient bidirectional DC charger, and a 10 kWh EV battery. Experimental results demonstrate the operating modes, start-up routine, battery state-of-charge (SOC) estimation, and system operation. Simulation results are presented for a worst-case scenario of highly fluctuating PV power output; the vehicle battery is charged in less than 90 minutes while simultaneously reducing the maximum ramp rate of the inverter output power by 30% and the average ramp rate by 93%.

Published in:

Power Electronics and Motion Control Conference (EPE/PEMC), 2012 15th International

Date of Conference:

4-6 Sept. 2012