Background and aims: The power plants, including important industry of the country in which a large number of noise sources which workers are exposed with harmful levels occupational noise. The aim of this study was designing enclosures to noise control in the feed water pumps in a power plant. Methods: This cross-sectional study and their Interventional plants were done on the ground floor ...

Having applied qualitative content analysis, this article tries to study Islamic Republic of Iran’s sources of soft power in its 2025 vision statement. Iran’s 2025 vision statement has been studied and examined with respect to cultural sources that may influence Iran’s soft power. Findings of the article indicate that Iran’s 2025 vision statement enjoys desirable capacities and potentials to en...

In this paper, the integrated unit commitment problem and gas network operation in which in the presence of renewable wind and solar power plants is modeled. Both wind and solar energy are variable sources of energy, but because solar energy is only available at certain times of the day, it has caused the load curve behavior to change. This change in load curve, known as the "duck curve, has ra...

Nowadays multilevel converters have progressed in high power and renewable energy applications, because of their ability to generate multiple voltage levels. But the balancing of capacitor voltage, the existing of multiple DC sources and particularly protection issues in renewable energy application are the main problems of these multilevel converters. The proposed inverter in this paper, by mo...

Events with low probability and high impact, which annually cause high damages, seriously threaten the health of the distribution networks. Hence, more attention to the issue of enhancing network resilience and continuity of power supply, feels more than ever, all over the world. In modern distribution networks, because of the increasing presence of distributed generation resources, an alternat...