IEC 62770:2024 CMV包含官方标准及其注释版本。注释版本为您提供了一种快速简单的方法来比较IEC 62770:2024 2.0版和之前的IEC 62770:2013 1.0版之间的所有更改。此外，还提供了IEC TC 10专家的意见，以解释最相关变更的原因，或澄清内容的任何部分。 IEC 62770:2024描述了变压器和类似的液体浸没式电气设备中未使用的天然酯的规范和测试方法，其中需要液体作为绝缘和传热介质。天然酯暴露于空气会导致绝缘液劣化。因此，天然酯的使用仅限于密封单元，或通过膜或其他合适的系统保护储罐不与大气接触。

IEC 62770:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62770:2024 edition 2.0 and the previous IEC 62770:2013 edition 1.0. Furthermore, comments from IEC TC 10 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content.

IEC 62770:2024 describes specifications and test methods for unused natural esters in transformers and similar liquid-immersed electrical equipment in which a liquid is required as an insulating and heat transfer medium. The exposure of natural ester to air leads to deterioration of the insulating liquid. Use of natural esters is therefore restricted to sealed units, or with the conservator tank protected from the contact with atmosphere by a membrane or other suitable system.