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Cisterns: Sustainable Development, Architecture and Energy was written on beliefs that based on historical evidence and actual findings, Iran is most probably the country where cisterns, or Aub-anbars in Farsi, were first developed and built. Therefore, it is quite natural for the author to name cisterns in the text Aub-anbars, as it has been called for centuries in this country, the translation of the same name having been used in other countries too. Although in some books, journals and papers published out of Iran by foreign and Iranian scholars, the names Cistern or Water Reservoir have...

Cisterns: Sustainable Development, Architecture and Energy was written based on historical evidence and findings, which show that Iran is most likely the country where cisterns, or -Aub-anbars- in Farsi, were first developed and built. The word Aub-anbar is a compound noun in Farsi; Aub means water and Anbar means tank/reservoir. People of the region needed reserved cool water whether in cities or in different locations across the harsh desert during their travel. Queen Zubeida, the wife of Khalifa Haroon Al-Rasheed in 750 AD built one of these cisterns close to the town of Hiyal in...

Power quality is very important issue recently due to the impact on electricity suppliers, equipment manufacture and customers. Power quality is described as the variation of voltage, current and frequency in a power system. Nowadays, there are so many industries using high technology for manufacturing and process unit. This technology requires high quality and high reliability of power supply. Power Quality problems encompass a wide range of disturbances such as voltage sags/swells, flicker, harmonics distortion, impulse transient, and interruptions. Voltage sags is the most common type of...