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>UNE standards>UNE 21428-1:2021 - Three-phase liquid -immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. National complementary annex
in stockReleased: 2021-12-01
UNE 21428-1:2021 - Three-phase liquid -immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. National complementary annex

UNE 21428-1:2021

Three-phase liquid -immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. National complementary annex

Transformadores trifásicos de distribución sumergidos en un líquido aislante, 50 Hz, de 25 kVA a 3 150 kVA con tensión más elevada para el material hasta 36 kV. Parte 1: Requisitos generales. Complemento nacional.

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Standard number:UNE 21428-1:2021
Pages:21
Released:2021-12-01
Status:Standard
DESCRIPTION

UNE 21428-1:2021

The purpose of this complement is to determine the electrical and design characteristics that are not included in UNE-EN 50708-1-1 and UNE-EN 50708-2-1, or for which several options are established in the standard and that are of general use in the distribution electrical Spanish systems.

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UNE standards
29.180 Transformers. Reactors
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UNE 21428-1-3:2021
Three-phase liquid-immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. Section 3: Requirements for dual-voltage transformers in high-voltage and for dual-voltage transformers in low-voltage
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