کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

A Novel Generation Shedding Procedure for Power Management System in Industrial Power Plants

نویسندگان :

Erfan Asadi¹ Hamid Khoshkhoo² Ali Parizad³

1- دانشگاه صنعتی سهند 2- دانشگاه صنعتی سهند 3- Southern Illinois University

کلمات کلیدی :

Industrial power plants, Power management system, Special protection system, Dynamic stability assessment, Artificial neural network

چکیده :

Following a disturbance in an islanded industrial power plant, if the power imbalance between generation and load is not eliminated quickly, under/over voltage and frequency relays may quickly trip sensitive loads (like petrochemical ones) and results in siginigicant economic loss. Accordingly, the main purpose of this paper is to propose a generation shedding procedure for Power Management System (PMS) to execute timely and optimal control measures to maintain voltage and frequency within the acceptable range and prevent the operation of over-voltage and frequency relays. In this method, in the first moments after a short circuit occurrence in a load feeder, which causes an over current relay to operate and remove some loads from the grid, proposed feature set is calculated to determine the required generation shedding amount by an artificial neural network (ANN). The results of dynamic simulations performed using DIgSILENT PowerFactory software in a real industrial power plant show that the implementation of these control measures will prevent the operation of the protection system and eventually the power plant will reach a new stable equilibrium point.

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