SIST EN IEC 60305:2021

Oznaka standarda: SIST EN IEC 60305:2021
Koda projekta: 69539
Organizacija: SIST
Naslov (angleški): Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for AC systems - Characteristics of insulator units of the cap and pin type (IEC 60305:2021)
Naslov (slovenski): Izolatorji za nadzemne vode za nazivne napetosti nad 1000 V - Keramični ali stekleni izolatorski členi za izmenične sisteme - Karakteristike izolatorskih členov za kapaste izolatorje (IEC 60305:2021)
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SIST EN IEC 60305:2021 angleški jezik Active SIST-E: 58.08 EUR
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Tehnični odbor: IZL - Izolatorji
ICS: 29.080.10 29.240.20
Status: Objavljen
Objavljen: 01-Nov-2021
Refer. št. objave: Sporocila 2021-11
Referenčna oznaka: EN IEC 60305:2021
Področje projekta (angleško): This International Standard applies to string insulator units of the cap and pin type with insulating parts of ceramic material or glass, intended for AC overhead lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. It also applies to insulators of similar design used in substations. This document applies to string insulator units of the cap and pin type either with ball and socket couplings or with clevis and tongue couplings. This document applies to string insulator units for use on overhead lines in clean areas and polluted areas. For use in areas characterized by very heavy pollution levels and for other particular or extreme environmental conditions, it may be necessary for certain dimensions to be changed and insulator units having different creepage distances, spacing and forms may be preferred (for example, flat profile, hemispherical etc.). Insulators for use on DC systems may also need different dimensions. In any case, it is applicable that the standardized mechanical characteristics of this document and coupling sizes are retained. The object of this document is to prescribe specified values for the mechanical characteristics and for the main dimensions of string insulator units of the cap and pin type. The power frequency, lightning impulse and puncture withstand voltages of string insulator units are not specified in this document. IEC 60383-1 gives the electrical characteristics which define string insulator units; their values are agreed between purchaser and manufacturer. Ball and socket couplings are covered by IEC 60120, clevis and tongue couplings by IEC 60471. NOTE For the definition of site pollution severity see IEC TS 60815-1.
Povezava na standarde
Povezava Ime Datum
Nadomešča SIST EN 60305:1997 - Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic or glass insulator units for a.c. systems - Characteristics of insulator units of the cap and pin type (IEC 305:1995) 02-Mar-2021


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