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نتائج تحقیق

 

قدرتی وسائل و ذرائع اللہ تعالیٰ کی عطا کردہ وہ نعمتیں ہیں جن سے نسل ِانسانیآسائش و سہولت حاصل کرتی ہے۔ زمین، دھاتوں و غیر دھاتوں کے خزانے، سمندر، دریا، وسیع و عریض فضائیں، آبی وسائل، معدنیات، نباتات، حیوانات، وادیاں اور بلند و بالا پہاڑ وغیرہ قدرتی وسائل کی اہم مثالیں ہیں۔

2۔ انسان کی ضروریات و حاجات کے پیش نظر دنیا کی سارے قدرتی وسائل و ذرائع کو اس کے زیر تسلط کر دیا گیا ہے۔ ان قدرتی اشیا میں جاندار بھی ہیں اور بے جان بھی۔ ایک جرثومہ سے لے کر سورج جیسے فلکی اجسام سبھی قدرتی اشیا انسان کی خدمت کے لیے تخلیق کیے گئے ہیں۔

3۔ زمین پر قابل تجدید ذرائع نسبتاً زیادہ مقدار میں پائے جاتے ہیں۔ قا بل تجدید توانائی کا حصول ناقابل تجدید ذرائع کی نسبت زیادہ مستحکم، دیر پا، سستا اور ماحول دوست ہوتا ہے۔ ہائیڈرو پاور، ونڈ پاور، ٹائڈل پاور، سولر پاور قابل تجدید توانائی کی عام مثالیں ہیں۔ ترقی یافتہ ممالک اپنی ٹیکنالوجی قابل تجدید توانائی پر منتقل کر رہے ہیں تاکہ ماحولیاتی آلودگی سے بچا جاسکے۔

4۔ انسان زمین پر اللہ تعالیٰ کا خلیفہ ہےلہٰذا زمین اور اس پر پائے جانے والے مختلف قدرتی وسائل کے تحفظ کی ذمہ داری بھی انسان پر عائد ہوتی ہے۔ 1947ء میں پاکستان کے گرین بیلٹ کا رقبہ 30 فیصد لگ بھگ تھا جو سکڑ تے ہوئے 5 فیصد تک محدود ہوچکا ہے۔

5۔ 1951ءمیں پاکستان میں ہر فرد کو 5300 کیوبک میٹر پانی میسر تھا، جو اس وقت 1000کیوبک میٹر فی کس تک محدود ہو چکا ہے۔ ایک اندازے کے مطابق2025ء تک پاکستان شدید آبی بحران کا شکار ہوسکتا ہے۔ اس لئے پانی کی ایک ایک بوندکا تحفظ کرنا ہر فرد...

بزرگ افراد کے ساتھ مروجہ معاشرتی روىے

Mankind is scattered across the surface of the earth in the forms of different religious creeds, tribal affiliations, race, colour and nationalities. Yet they share some traits that are similar and universal to all human societies. These traits include love for children and respect for the elders. However, changing times have eroded some of these positive traits. The condition of senior citizens is not enviable in the West and those following in their footsteps. Children are not fulfilling their natural duty to their old parents, and quite often the elderly are forcefully kicked out of their own houses and accommodated in designated places for the old, run by the state welfare organizations.

Development of an Economic Model for Load Dispatch Center to Overcome Energy Crises in Pakistan

Operational functions such as to maintain a balance between demands as well as generation happens to be one of the main functions carried out by the latest energy management system.Actually, this is termed as the short-term evaluation of the maximum output of different power generation facilities to meet the required total system load at minimum possible cost without disrupting the regular power supply to the end users. The overloadswould result in the entire system’s instability and increased likelihood of blackouts. The analysis is aimed to give an overview of the economic load dispatch problem regarding abrupt variations in monthly load demand and generation throughout the year. During the research, time series analysis is conducted by using daily data regarding the generation and load demand across the country both for considering with/without losses. Real-time data for power system components of 64 power plants, 496 generating units, 17(500 KV Grid Stations), 35(220 KV Grid Stations), 900(132 KV Grid Stations) and 500/220/132 KV transmission network lines is used. Generation, demand and load management measures acquired from actual daily data associated with demand and supply, power system constraints have also been considered. The aspect of reduction in Hydel generation share during canals closure at water scar season every year has also been taken into account. Daily and monthly data figures of the last 12 years in MW/GWh is analyzed and executed by using time series analysis. Durbin Watson statistics is used to detect auto correlation; also Dickey-Fuller test was performed to check covariance stationarity. Values have been plotted in graphs to understand the monthly/annual variations in total generation and total demand. Research is aimed at improving the quality of power dispatch and deriving workable solutions. Holt-Winters forecasting techniques are applied to analyze both the actual and predicted values of generation, demand and load shed of every month at load dispatch center. It also provides monthly trend of generation, consumer demand and load shed at the same time. The methodology is based on the integrated system modeling. The main purpose is to minimize the total per unit fuel cost without violating system constraints. In case of Pakistan energy scenario, system does not have surplus energy but having short fall. By keeping in mind the current emergent situation and to cope up this problem, national utility system has been analyzed with reference to its operation problems and all the generation is grouped into fuel source wise, and then optimized. Case studies with different fuel sources have also been discussed. All the analyses are executed in MATLAB environment. An overall optimization at the national level shows that there are opportunities to better utilize low cost generators, curtailing usage of higher cost units and increasing electric power trade, considering with and without losses, which would ultimately allow customers to benefit from lower electricity prices. Finally, the thesis recommends managerial actions, structural overhaul in the existing energy system of NTDC, gas allocation to generating plants by using economic criteria, energy sector smart solutions and remedies, to make it sustainable and more versatile to cope up the current and future challenges.
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