نتایج جستجو برای: distribution system planning

تعداد نتایج: 2870347  

2005
Francisco Rivas-Dávalos Malcolm R. Irving

The vast majority of the developed planning methods for power distribution systems consider only one objective function to optimize. This function represents the economical costs of the systems. However, there are other planning aspects that should be considered but they can not be expressed in terms of costs; therefore, they need to be formulated as separate objective functions. This paper pre...

Journal: :معماری و شهرسازی آرمان شهر 0
shima dadfar master of urban & regional planning, faculty of art & artitecture, islamic azad university, tehran central university, tehran central branch, tehran, iran. naser azimi assistent professor of urban planning, faculty of art & artitecture, islamic azad university, tehran central branch, tehran, iran. hasan ahmadi assistent professor of urban & regional planning, faculty of art & artitecture, university of guilan, guilan, iran.

one priority of planning at the regional level is to recognize the system of residence and particularly its urban system. one of the features of urban system in each area or country is the way of population distribution between the cities of these areas which is called city distribution size. in functional analysis of mazandaran province 41 development indexes of educational, cultural, social, ...

نجفی روادانق, سجاد, نیک مهر, نیما,

One of the basic components of future distribution networks are renewable energy resources (RER). The uncertainty in power production of renewable resources such as wind and solar as well as load is another characteristic of such networks. Conventional power flow methods as a basic tool for power system studies may not be suitable for active distribution networks such as microgrids. In this pap...

Journal: :محیط شناسی 0
صدیقه لطفی دانشیار گروه جغرافیا و برنامه ریزی شهری، دانشگاه مازندران احمد حسین زاده کارشناس ارشد جغرافیا، دانشگاه تهران امین فرجی ملائی دانشجوی دکترای جغرافیا دانشگاه تهران و پژوهشگر پژوهشگاه علوم انسانی و مطالعات اجتماعی جهاد دانشگاهی میثم احمدی فیروزجایی کارشناس ارشد جغرافیا، دانشگاه تهران

urban parks have essential role in public welfare. their role could be observed in personal, socio-economic, environmental and mental wellbeing. provision of socio-mental needs of citizens and enhancement of social cohesion are contributed to the way of using urban open and green spaces which such issue requires elaborated planning and design. equal access to parks is an important issue in dist...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم و فنون مازندران 0

مدل روزنه های موازی موج دار (corrugated oarallel bundle model) برای تعریف اثر ساختمان روزنه ها در نفوذ-واکنش (diffusion and reaction) در کاتالیستهای متخلخل بکار می رود. در مدل روزنه های موج دار، از یک دسته روزنه های اصلی (pore) استفاده شده است . هر یک از این روزنه های اصلی دارای یکسری عناصر روزنه می باشد که هر عنصر دارای یک شعاع تعیین شده به صورت اتفاقی از یک توزیع اندازه روزنه ها (pore size di...

Journal: :آمایش سرزمین 0
الهام فلاح منشادی دانشجوی دکتری شهرسازی، پردیس هنرهای زیبا، دانشگاه تهران

analyzing spatial planning system in different countries could help make appropriate decisions to improve functional system of planning in our country. belgium, inspite of its limited area, has a unique planning system which is derived from political and social condition. belgium has a federal system which is composed of three cultural societies and three economic regions. spatial planning is i...

Mohammadi, Alireza, Noori, Sepideh,

Background and Amis: Unbalanced spatial distribution of industries in most regions of the developing countries, can be have undesirable economic, environmental and social effects. Understanding the spatial distribution patterns of industries is essential for their planning and distribution in the regions.The aim of present study is to analyze the distribution and spatial patterns of Ardabil ‎pr...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید