Engineering and Technology Journal

Keywords = power

Number of Articles: 4
Analysis and Simulation the Effect of the Pierce Parameter on the Output of the Free Electron Laser system
Analysis and Simulation the Effect of the Pierce Parameter on the Output of the Free Electron Laser system

Thair A. Khalil Al-Aish; Hanady A. Kamil

Volume 41, Issue 4 , April 2023, , Page 578-585

https://doi.org/10.30684/etj.2023.137996.1365

Abstract
  The free electron laser is considered one of these important and advanced inventions because it provides a laser beam within various wavelengths of the electromagnetic spectrum. In ...  Read More ...
A-Review for the Cooling Techniques of PV/T Solar Air Collectors
A-Review for the Cooling Techniques of PV/T Solar Air Collectors

Wisam H. Saleh; Abdullateef A. Jadallah; Ahlam L. Shuraiji

Volume 40, Issue 1 , January 2022, , Page 129-136

https://doi.org/10.30684/etj.v40i1.2139

Abstract
  A solar thermal collector is one of the most popular applications of solar energy. It is a photovoltaic (PV) cell system with a thermal collector system, this system is utilized in ...  Read More ...
Protection Coordination of 33/11 kV Power Distribution Substation in Iraq
Protection Coordination of 33/11 kV Power Distribution Substation in Iraq

Thamir Abdul-Wahhab; Yamur M. Obied

Volume 39, 5A , May 2021, , Page 723-737

https://doi.org/10.30684/etj.v39i5A.1790

Abstract
  The coordination between protective devices is the process of determining the most appropriate timing of power interruption during abnormal conditions in the power system. The aim of ...  Read More ...
Secure and Energy Efficient Key Management Protocol for Ad hoc Sensor Network
Secure and Energy Efficient Key Management Protocol for Ad hoc Sensor Network

Dhafer R. Zaghar; Bassim Abdulbaki Juma; Yaarob M. Nafel

Volume 27, Issue 11 , August 2009, , Page 2189-2204

https://doi.org/10.30684/etj.27.11.3

Abstract
  Recent advances in wireless communications and electronics have helped to develop sensor nodes which are low-cost, low-power, multifunctional, small in size and communicate in short ...  Read More ...