This International Standard deals with the techniques for sampling free gases from gas-collecting relays from power transformers. Three methods of sampling free gases are described. The techniques for sampling oil from oil-filled equipment such as power and instrument transformers, reactors, bushings, oil-filled cables and oil-filled tank-type capacitors are no longer covered by this standard, but […]
IEC 60567:2012 pdf download Read More »
This standard applies to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV. The object of this standard is to give; a) Definitions for degrees of protection provided by enclosures of electrical equipment as regards: 1) protection of persons against access to hazardous parts
IEC 60529:2001 pdf download Read More »
This part of IEC 60464 specifies methods of test to be used for testing varnishes used for electrical insulation. This includes methods of test to be applied before and others to be applied after drying and/or curing of the varnish.
IEC 60464-2:2014 pdf download Read More »
This International Standard is applicable to string insulator units of the long rod type with insulating parts of ceramic material intended for use in AC overhead power lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. It is also applicable to insulators of similar design, used
IEC 60433:2021 pdf download Read More »
This International Standard describes: -the requirements to apply when reliability block diagrams(RBDs) are used in dependability analysis; -the procedures for modelling the dependability of a system with reliability block diagrams; -how to use RBDs for qualitative and quantitative analysis; -the procedures for using the RBD model to calculate availability, failure frequency and reliability measures for
AS IEC 61078:2017 pdf download Read More »
This part of IEC 60099 provides information, guidance, and recommendations for the selection and application of surge arresters to be used in three-phase systems with nominal voltages above 1 kV. It applies to gapless metal-oxide surge arresters as defined in IEC 60099-4, to surge arresters containing both series and parallel gapped structure – rated 52
IEC 60099-5:2018 pdf download Read More »
This part of IEC 60099 is not a mandatory standard but provides information, guidance, and recommendations for the selection and application of surge arresters to be used in three-phase systems with nominal voltages above 1 kV. It applies to gapless metal-oxide surge arresters as defined in IEC 60099-4, to surge arresters containing both series and
IEC 60099-5:2013 pdf download Read More »
This part of IEC 60099 provides recommendations for the selection and application of surge arresters to be used in three-phase systems with nominal voltages above 1 kV. It applies to non-linear resistor type gapped surge arresters as defined in IEC 60099-1 and to gapless metal-oxide surge arresters as defined in IEC 60099-4.
IEC 60099-5:2000 pdf download Read More »
This part of IEC 60095 is applicable to lead-acid batteries with a nominal voltage of 1 2 V,used primarily as a power source for the starting of internal combustion engines, lighting, and for auxiliary equipment of internal combustion engine vehicles. These batteries are commonly called “starter batteries”.
IEC 60095-1:2018 pdf download Read More »
This part of IEC 60092 deals with electrical, electronic and programmable equipment intended for control, monitoring, alarm and protection systems for use in ships.
IEC 60092-504:2001 pdf download Read More »