نتایج جستجو برای: hydrothermal scheduling
تعداد نتایج: 85460 فیلتر نتایج به سال:
Hydrothermal scheduling is a relevant stage of operation planning, whose objective to minimize the total cost operation, together with respecting restrictions electrical systems such as transmission losses and power balance throughout demand horizon. In recent years there has been an increase in interest implementation pumped-storage hydroplants order operate conjunction intermittent sources. W...
This paper presents an interior point method for the long-term generation scheduling of large-scale hydrothermal systems. The problem is formulated as a nonlinear programming one due to the nonlinear representation of hydropower production and thermal fuel cost functions. Sparsity exploitation techniques and an heuristic procedure for computing the interior point method search directions have b...
With the increasingly serious energy crisis and environmental pollution, the short-term economic environmental hydrothermal scheduling (SEEHTS) problem is becoming more and more important in modern electrical power systems. In order to handle the SEEHTS problem efficiently, the parallel multi-objective genetic algorithm (PMOGA) is proposed in the paper. Based on the Fork/Join parallel framework...
Short term hydrothermal scheduling (STHTS) is a non-linear, multi-modal and very complex constrained optimization problem which has been solved using several conventional modern metaheuristic algorithms. A number of research articles have published addressing STHTS different techniques. This article presents comprehensive review for solving the in last four decades.
A modern power system consists of a large number of thermal and hydel plants connected at various load centers through a transmission network. An important objective in the operation of such a power system is to generate and transmit power to meet the system load demand at minimum fuel cost by an optimal mix of various types of plants. The study of the problem of optimum scheduling of power gen...
In optimal short-term resource scheduling decomposition and coordination methods by Lagrangean relaxation are known as convenient to handle resource-specific constraints and for their ability to provide duality gap estimates. They will be used, in context of subgradient optimization, to deal with this problem. One cause of erratic behavior often encountered in subgradient optimization is associ...
Artificial Immune System is applied to determine the optimal hourly schedule of power generation in a hydrothermal system. A multi-reservoir cascaded hydroelectric system with a nonlinear relationship between water discharge rate, net head and power generation is considered. The water transport delay between connected reservoirs is taken into account. The transmission losses are also taken into...
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