Preface

This edited volume is a collection of reviewed and relevant research chapters concerning developments within micro-grids and electric power conversion field of study. The book includes scholarly contributions by various authors and is edited by a group of experts in such fields. Each contribution comes as a separate chapter complete in itself but is directly related to the book's topics and objectives.

The book contains the following sections: *Micro-Grids: A Cost-Efficient Controller for Isolated Ones in Remote Areas*, *A New Energy Management Method for Energy Storage Systems in Micro-Grids*, *Power Quality in Micro-Grids with Energy Storage Technologies*, *A Study on Micro-Grids toward 100% Renewable Energy*, *Salp Swarm Optimization,* and *Estimation of Hidden Energy Losses in Technological Systems*. The target audience comprises scholars and specialists in the field.

> **Majid Nayeripour** Cologne University of Applied Sciences, Germany

Alexander von Humboldt (AvH) Foundation, Bonn, Germany

### **Mahdi Mansouri**

Yazd University, Iran

Section 1
