EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61857-2 testing. IEC EN 61857-2 gives guidelines for determining the appropriate test method to use for the evaluation of a proposed Electrical Insulation System (EIS). Some of the standards are for the evaluation and classification of the EIS, while other standards define the appropriate method for assessing the single- or multi-factor stresses of a proposed or established EIS.
This Technical Paper applies to current or proposed EIS used in electrotechnical products in a wide range of operating voltages of IEC Standards. The report takes care to select the appropriate standard according to the construction and intended operating conditions.
The most important aspect to be used in the design and development of the project is to define the purpose of the evaluation. If the aim is to establish the thermal classification of EIS to be used in the manufacture of products, the test method chosen will be one that evaluates the thermal decomposition property of the EIS.
Evaluation and thermal classification of an EIS for use in a finished product should focus on thermal decomposition as the sole or predominant cause of decomposition and degradation of the EIS. This type of project is not intended to assess other potential product failure factors that may be part of real world application.
In the evaluation and classification of an EIS project for use in the evaluation of a finished product, including processing, design or construction, it is expected to have more than thermal decomposition as a measurable factor. This can also be described as multi-factor testing.
EUROLAB assists manufacturers with IEC EN 61857-2 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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