A Study on Optimal Placement and Sizing of Distributed Generation in Distribution System Using Whale Optimization Algorithms

In fact, this thesis could not achieve well if there were no useful and helpful contribution of these respectful people who always provided me the uncountable aids and valuable advices as well as the encouragement during my study in National Polytechnic Institute of Cambodia, Cambodia.
First of all, I would like to express my great gratitude towards my parents who proved me the birth and look after me up to now, my wife who support me. They always provide the priceless advices, constant encouragement, and financial support. Generally, without them I would not have these days.
Secondly, I would like to express my grateful thank to my advisor, Mr. Ang Sovann, for his great effort in directing and support to accomplish this thesis during my study.
Also, I would like to acknowledge all lecturers, graduates, and staffs of Graduate School of Electrical Engineering in the NPIC for their kind support and precious recommendation.
Finally, I would like to thank faithfully to all my lecturers who provided me the knowledge and guidance throughout my study.