重载工业场所的智能电力减载与案例研究

Selahattin Kucuk
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引用次数: 9

摘要

减载控制系统(LSS)的目的是防止发电机的危险过载和/或电力系统的全面崩溃(停电),由于发电机故障或任何意外事件,可能减少运行发电机的容量低于负载所需的有功功率。这种状态可能造成电力供应的不平衡,从而导致连接到系统的所有发电机组的频率衰减、电压崩溃和过载。当电力供应不能满足工艺负荷的需求时,可以中断对某些区域的部分供电,以防止整个电力系统的故障。这个过程被称为减载。这与由于各种原因可能发生的电源故障是完全不同的概念。减载是防止电力供应全面崩溃的有效方法,电力供应全面崩溃可能对过程和操作的连续性产生灾难性影响。除非电力不平衡得到妥善管理,否则它们可能导致整个工作流程崩溃,直到工业设施的电力恢复。本文的目的是详细讨论炼油厂这一负荷较大的工业设施的电力减载过程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Intelligent electrical load shedding in heavily loaded industrial establishments with a case study
The purpose of a Load Shedding Control System (LSS) is to prevent a dangerous overloading of the generators and/or a general collapse (blackout) of an electric power system due to a generator failure or any contingency which may diminish the capacity of the operational generators below the active power required by the loads. Such a state may create an imbalance in the power supply and thus lead to a frequency decay, voltage collapse and overload on all the power generation units connected to the system. In case the electrical supply is inadequate to meet the demand of the process loads, partial supply to certain areas can be interrupted in order to prevent the failure of the whole electrical system. This process is called load shedding. This is an entirely different concept from a power failure that may occur due to various reasons. Load shedding is an effective method to prevent a total collapse of the electrical supply, which may have a disastrous impact on the continuity of the processes and operations. Unless power imbalances are properly managed, they may cause the entire workflow to collapse until the power to the industrial establishment is restored. The aim of this paper is to discuss the electrical load shedding process of a refinery, which is a heavily loaded industrial establishment, in detail.
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