Study on Simulation Method of Water Absorption Characteristics of Zeolite 3A and 4A Based on Molecular Simulation

2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO) Pub Date : 2021-10-15 DOI:10.1109/AEERO52475.2021.9708100

Dawei Huang, Yukun Ma, Keru Jiang, J. Yang, Zhe Hou, F. Jia, Xiao Yang, B. Qi

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Abstract

Converter transformer is one of the most important power equipment in the power system. Oil-paper insulation is the main insulation form of transformer. Excessive adsorption of moisture will seriously affect the insulation characteristics of transformer. An online water removal system for transformer based on molecular sieve technology can continuously remove water from mineral oil by using zeolite’s selective adsorption ability of water molecules, which can realize online drying of transformer oil-paper insulation. In this paper, the simulation method of moisture adsorption characteristics of zeolite 3A and 4A based on Monte Carlo method is deeply studied, and the setting principle of simulation parameters is given, and the reliability of the method used to simulate the moisture absorption characteristics of zeolite 3A and 4A is verified, which provides a practical method reference for the follow-up systematic research on the moisture absorption characteristics of zeolite adsorbent and revealing the moisture absorption mechanism.

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基于分子模拟的3A和4A沸石吸水特性模拟方法研究

换流变压器是电力系统中最重要的电力设备之一。油纸绝缘是变压器的主要绝缘形式。过多的水分吸附会严重影响变压器的绝缘特性。一种基于分子筛技术的变压器在线除水系统，利用沸石对水分子的选择性吸附能力，连续去除矿物油中的水分，实现变压器油纸绝缘的在线干燥。本文深入研究了基于蒙特卡罗法的3A、4A沸石吸湿特性模拟方法，给出了模拟参数的设置原则，验证了所采用方法模拟3A、4A沸石吸湿特性的可靠性。为后续系统研究沸石吸附剂吸湿特性和揭示吸湿机理提供了实用的方法参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO)

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