IEC 61181:2007+A1:2012规定了油取样程序、分析要求和程序，并推荐了将溶解气体分析（DGA）应用于新型电力变压器、电抗器和仪表变压器的工厂测试的灵敏度、重复性和准确性标准。当规定了DGA测试时，填充矿物绝缘油。DGA技术在工厂测试中最有效和最有用的应用是在长期测试期间，通常是电力变压器和电抗器的温升（热运行）和过载测试，以及仪表变压器的脉冲测试。DGA对于长时间运行的过激励测试也可能是有价值的。 短时介电测试前后的DGA结果经验表明，对于检测局部放电，DGA通常不如电和声学方法灵敏。然而，DGA将指示这些局部放电何时对绝缘有害，并可能通过检查检测到[2]。与上一版相比，此版本包括以下重大技术变更: a)更详细地描述了工厂测试期间使用的具体程序（取样位置、取样频率、气体提取和实验室的色谱分析）； b)附件A中提供了关于电力变压器热试验前建议的残余气体含量、试验期间观察到的典型气体值以及试验期间气体形成后变压器出现问题的情况的信息； c)在仪表变压器上进行斩波雷电冲击试验时观察到的典型值见附录B。 本合并版本由第二版（2007年）组成 及其修正案1（2012）。因此，无须在 本出版物的补充。

IEC 61181:2007+A1:2012 Specifies oil-sampling procedures, analysis requirements and procedures, and recommends sensitivity, repeatability and accuracy criteria for the application of dissolved gas analysis (DGA) to factory testing of new power transformers, reactors and instrument transformers filled with mineral insulating oil when DGA testing has been specified. The most effective and useful application of DGA techniques to factory testing is during the performance of long-term tests, typically temperature-rise (heat run) and overloading tests on power transformers and reactors, also impulse tests on instrument transformers. DGA may also be valuable for over-excitation tests run over an extended period of time. Experience with DGA results, before and after short-time dielectric tests, indicates that DGA is normally less sensitive than electrical and acoustic methods for detecting partial discharges. However, DGA will indicate when these partial discharges become harmful to the insulation and may be detected by inspection [2]. This edition includes the following significant technical changes with respect to the previous edition:
a) the specific procedures used during factory tests (sampling location, sampling frequency, gas extraction and chromatographic analysis in the laboratory) are described in more detail;
b) information is provided in Annex A concerning the residual gas contents recommended before thermal tests on power transformers, typical gas values observed during the tests and cases where gas formation during the tests was followed by problems in the transformers;
c) typical values observed during chopped lightning-impulse tests on instrument transformers are indicated in Annex B. This consolidated version consists of the second edition (2007) and its amendment 1 (2012). Therefore, no need to order amendment in addition to this publication.