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Abstrak :
Pembangunan PLTU memerlukan bahan bakar. Oleh karena itu, perlu dilakukan suatu analisa energi agar efisiensi penggunaan bahan bakar meningkat. Berkaitan dengan hal tersebut maka dalam penulisan skripsi ini akan dilakukan suatu analisa exergi pada penentuan konfigurasi Feedwater Heater yang digunakan pada sistem air-uap PLTU. Analisis dilakukan dengan menghitung besar efisiensi exergi dari tiap konfigurasi Feedwater Heater. Perhitungan exergi dari sistem dilakukan dengan menggunakan bantuan cycle tempo 5.0. Diharapkan hasil analisa exergi ini dapat digunakan sebagai informasi teknis dalam pembangunan proyek PLTU kelas 1 x 25 MW ......Due to the requirements of steam power plant construction which is going to spend a large amount of fuel and cost, energy and economy analysis are needed to improve the efficiency of fuel and total capital investment. Because of that, in this final assignment, exergy analysis will be used to choose feedwater heater configuration in water-steam system of steam power plant. The analysis will be done by calculating the amount of the efficient exergy from each of feedwater heater configuration. The calculation exergy of the system was done by using cycle tempo 5.0. The result of exergy are expected to be used as the technical information in contructing the 1 x 25 MW steam power plant.

Abstrak :
Energy consumption is of great interest to manufacturing companies. Beyond considering individual processes and machines, the perspective on process chains and factories as a whole holds major potentials for energy efficiency improvements. To exploit these potentials, dynamic interactions of different processes as well as auxiliary equipment (e.g. compressed air generation) need to be taken into account. In addition, planning and controlling manufacturing systems require balancing technical, economic and environmental objectives. Therefore, an innovative and comprehensive methodology, with a generic energy flow-oriented manufacturing simulation environment as a core element, is developed and embedded into a step-by-step application cycle. The concept is applied in its entirety to a wide range of case studies such as aluminum die casting, weaving mills, and printed circuit board assembly in order to demonstrate the broad applicability and the benefits that can be achieved.