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首页> 外文会议>ASME(American Society of Mechanical Engineers) International Mechanical Engineering Congress: Advanced Energy Systems Division; 20031115-20031121; Washington,DC; US >A NEW THERMOECONOMIC METHOD FOR THE LOCATION OF CAUSES OF MALFUNCTIONS IN ENERGY SYSTEMS
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A NEW THERMOECONOMIC METHOD FOR THE LOCATION OF CAUSES OF MALFUNCTIONS IN ENERGY SYSTEMS

机译：定位能量系统故障原因的新热经济学方法

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摘要

Diagnosis procedures primarily aim at locating the control volumes where anomalies occurred. This is not a simple task, since the effects of anomalies generally propagate through the whole system and affect the behavior of several components. Some components may therefore present a reduced efficiency, although they are not sources of operation anomalies, due to non flat efficiency curves. These induced effects are a big obstacle in the use of thermoeconomic techniques for the search of the origin of the anomalies. On the other hand, the real cause of the alteration of component behavior is the modification of its characteristic curve, due to degradation or failures. According to this concept, a new approach, based on an indicator measuring the alteration of the characteristic curve of the component affected by the operation anomaly, is proposed and applied to a test case power plant.
机译：诊断程序主要旨在确定发生异常的控制体积。这不是一个简单的任务，因为异常的影响通常会在整个系统中传播并影响几个组件的行为。因此，由于效率曲线不平坦，某些组件可能不是效率异常的来源，但它们的效率可能会降低。这些诱发的影响是在使用热经济技术搜索异常起源方面的一大障碍。另一方面，改变部件性能的真正原因是由于性能下降或故障导致其特性曲线的改变。根据这个概念，提出了一种新的方法，该方法基于测量受操作异常影响的组件的特性曲线的变化的指标，并应用于测试用例电厂。

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