A Comparative Study of Perturb and Observe (P&O) and Incremental Conductance (INC) PV MPPT Techniques at Different Radiation and Temperature Conditions
A Comparative Study of Perturb and Observe (P&O) and Incremental Conductance (INC) PV MPPT Techniques at Different Radiation and Temperature Conditions

Marwan E. Ahmad; Ali H. Numan; Dhari Y. Mahmood

Volume 40, Issue 2 , February 2022, , Page 376-385

https://doi.org/10.30684/etj.v40i2.2189

Abstract
  The biggest challenge in the solar system is to extract the maximum output powerfrom photovoltaic (PV) panels under different solar radiation and temperatureconditions. This paper presents ...  Read More ...
Effect of Temperature and Humidity Factors on Water Production Using Solar Energy with Smart Controlling
Effect of Temperature and Humidity Factors on Water Production Using Solar Energy with Smart Controlling

Ghusoon A. Aboud; Hashim A. Hussein; Ali H. Numan

Volume 40, Issue 1 , January 2022, , Page 241-248

https://doi.org/10.30684/etj.v40i1.2282

Abstract
  The aim of the current work is to study the effect of temperature and humidity factors on the production of water from humid air using clean energy, as we have noticed that both factors ...  Read More ...
Optimal Localization of UPFC For Transmission Line Losses Minimizing Using Particle Swarm Optimization
Optimal Localization of UPFC For Transmission Line Losses Minimizing Using Particle Swarm Optimization

Ihssan A. Amin; Dhari Y. Mahmood; Ali H. Numan

Volume 39, Issue 10 , October 2021, , Page 1463-1472

https://doi.org/10.30684/etj.v39i10.1656

Abstract
  Losses in the transmission line have a significant and growing impact on power systems around the world. Line losses overheat power lines, therefore electrical power systems require ...  Read More ...
An Experimental Investigation of The Dynamic Effects in Upper Drum Boiler Under Steam Mass Flow Rate Variation
An Experimental Investigation of The Dynamic Effects in Upper Drum Boiler Under Steam Mass Flow Rate Variation

Russul Mohammed; Hashim Hussein; Ali H. Numan

Volume 39, Issue 9 , September 2021, , Page 1376-1383

https://doi.org/10.30684/etj.v39i9.1998

Abstract
  The dynamic effects in the “upper“ drum of the boiler (mechanical’s effects) are very complex problems and critical due to the pressure disturbance in the upper drum ...  Read More ...
On-Line Current-Based Condition Monitoring and Fault Diagnosis of Three-Phase Induction Motor
On-Line Current-Based Condition Monitoring and Fault Diagnosis of Three-Phase Induction Motor

K. S. Krikor; Ali H. Numan

Volume 25, Issue 3 , May 2007, , Page 395-406

https://doi.org/10.30684/etj.25.3.10

Abstract
  A stator current measurement has an important role in condition monitoring and fault diagnosis of induction motors. For instance, the eccentricity, rotor bars and end ring breaks, shorted ...  Read More ...