The purpose of the Fourth International Conference on Electric Power and Energy Conversion Systems is to bring together researchers, engineers and practitioners from all over the world who are interested in the advances of power systems, energy conversion, power electronics and electric drives. The objective of the conference is to provide scientific and professional interactions for the advancement of the electric energy field in the UAE and Gulf region. Recent development of complex systems such as distributed power systems, electric vehicles and traction systems, and renewable energy systems are encouraged. The conference will feature oral and poster presentations. Invited speakers will focus attention on future trends in areas of interest to the conference. An exhibition area, with technical facilities, will be considered.