动力载荷作用下柴油发电机组的结构完整性

Q3 Engineering

International Journal for Engineering Modelling Pub Date : 2020-12-14 DOI:10.31534/engmod.2020.3-4.ri.01f

I. Senjanović, N. Vladimir, D. Čakmak

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引用次数: 1

摘要

考虑了核电站应急发电机组中柴油发电机组的完整性问题。发电机组由柴油发动机、发电机和固定在基础上的弹性弹簧阻尼器元件组成。发电机组承受地震负荷、短路冲击和同步故障负荷。采用有限元法对该问题进行了求解。在有限元模型中，柴油机和发电机用两组无质量杆与基础架刚性连接的集中质量来表示。强度标准是根据原子能应用领域的俄罗斯联邦法规和标准规定的。确定了保持发电机组完整性所需的弹簧阻尼器元件的数量。

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Structural integrity of diesel generator set subjected to dynamic loads

The integrity of the diesel generator set (genset) in the emergency power plant of a Nuclear Power Plant is considered. The genset consists of the diesel engine, the generator, and the common base frame on elastic spring-damper elements clamped to foundations. The genset is exposed to the seismic load, the short circuit impulse, and the synchronization failure load. The problem is solved via the finite element method (FEM). In the FE model, the diesel engine and the generator are represented with two lumped masses rigidly connected to the base frame with sets of massless bars. Strength criteria are specified according to the Russian Federal Codes and Standards in the Area of Atomic Energy Applications. The necessary number of spring-damper elements for preserving the integrity of the genset is determined.

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来源期刊

International Journal for Engineering Modelling Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： Engineering Modelling is a refereed international journal providing an up-to-date reference for the engineers and researchers engaged in computer aided analysis, design and research in the fields of computational mechanics, numerical methods, software develop-ment and engineering modelling.