含多氯联苯污染矿物油的电力变压器:天然酯流体作为替代选择

2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI:10.1109/TDLA47668.2020.9326188

R. I. da Silva, A. Sa

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引用次数: 0

摘要

召开2001年《斯德哥尔摩公约》的目的是起草一项管制持久性有机污染物的全球条约，并制定了一项协定，到2025年彻底消除多氯联苯(持久性有机污染物之一)的污染源，到2028年彻底销毁多氯联苯。多氯联苯是变压器中用作电绝缘液的合成油的基础。净化过程使用几种化学-物理处理去除存在于受污染绝缘流体分子中的多氯联苯。天然酯类绝缘液可以替代多氯联苯污染的矿物油。以16 MVA的88 kV电力变压器为例，介绍了用一种新型天然酯流体交换pcb污染矿物油的现场过程。

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Power Transformers with PCB-Contaminated Mineral Oil: The Natural Ester Fluid as a Replacement Alternative

The 2001 Stockholm Convention was convened to draft a global treaty for the regulation of persistent organic pollutants (POPs) and established an agreement to carry out the total removal of contaminated sources of PCBs (one of the POPs) by 2025 and their total destruction by 2028. PCBs were the basis of synthetic oils used as electrical insulating fluid in transformers. Decontamination processes using several chemical-physical treatments removes PCB present in the molecules of the contaminated insulating fluid. Natural ester insulating liquid can be a substitute alternative to replace PCB-contaminated mineral oil. A real case will be presented with a 16 MVA 88 kV power transformer with PCB-contaminated mineral oil and the field process to exchange it by a new natural ester fluid.

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来源期刊

2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)

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