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Multi-Criterion Approach for Condition Evaluation of Hydro Generator Stator Core

机译：水轮发电机定子铁心状态评估的多准则方法

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摘要

Hydropower is considered best option among all the power generation techniques from the view point of its renewable nature, low running cost and environment friendly nature. The four major components of the generators identified are stator winding, stator core, rotor, mechanical components and external factors. In this study, the stator core which is a main component of a generator has been considered for condition evaluation/monitoring. This study presents a new and noble empirical technique for the evaluation of the condition of the hydro generators. The main aspects of hydro generator stator have been taken into consideration for condition evaluation of stator core. A new approach known as multi-criterion analysis for assessing the condition of generator has been proposed and accordingly decision can be taken by utility managers for its rehabilitation. The various factors influencing the performance of stator core of a generator have been further classified in their sub-components and have been given scores and depending upon the score of individual sub-components owing to their condition, possible conditions have been calculated. These calculated factors implies that which type of rehabilitation approach needs to be implemented for optimal performance of the machine also, it results in extended life of the equipment.
机译：从可再生性，低运行成本和环境友好性的角度来看，水电被认为是所有发电技术中的最佳选择。确定的发电机的四个主要组成部分是定子绕组，定子铁芯，转子，机械组件和外部因素。在这项研究中，已考虑将定子铁心作为发电机的主要组件，以进行状态评估/监视。这项研究提出了一种新的高尚的经验技术，用于评估水轮发电机的状态。水轮发电机定子的主要方面已考虑到定子铁心的状态评估。已经提出了一种用于评估发电机状况的称为多准则分析的新方法，因此公用事业管理者可以决定是否修复发电机。已经将影响发电机定子铁心性能的各种因素进一步分类到它们的子组件中，并给出了分数，并且根据各个子组件由于其状况而产生的分数，计算了可能的条件。这些计算出的因素表明，为了使机器达到最佳性能，还需要实施哪种类型的修复方法，从而延长了设备的使用寿命。

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