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IEC 60156-ed.4.0
Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
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STANDARD published on 31.1.2025
The information about the standard:
Designation standards: IEC 60156-ed.4.0
Publication date standards: 31.1.2025
SKU: NS-1212590
The number of pages: 33
Approximate weight : 99 g (0.22 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60156-ed.4.0 :
IEC 60156:2025 specifies the method for determining the dielectric breakdown voltage of insulating liquids at power frequency. The test procedure is performed in a specified apparatus, where the oil sample is subjected to an increasing AC electrical field until breakdown occurs. The method applies to all types of insulating liquids of nominal viscosity up to 350 mm2/s at 40 °C. It is appropriate both for acceptance testing on unused liquids at the time of their delivery and for establishing the condition of samples taken in monitoring and maintenance of equipment. LIEC 60156:2025 specifie la methode de determination de la tension de claquage dielectrique des isolants liquides a frequence industrielle. La procedure d’essai est realisee dans un appareil specifie dans lequel l’echantillon d’huile est soumis a un champ electrique alternatif croissant jusqu’a l’obtention du claquage. La methode est applicable a tous les types d’isolants liquides de viscosite nominale allant jusqu’a 350 mm2/s a 40 °C. Elle convient aussi bien pour les essais de reception de liquides neufs a la livraison que pour definir l’etat des echantillons preleves lors de la surveillance et de la maintenance des materiels.
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