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BS EN 50708-3-4:2022

$86.31

Power transformers. Additional European requirements – Large power transformer. Special tests for corrugated tank and radiators

Published By Publication Date Number of Pages
BSI 2022 12
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This document describes a special test for tanks of liquid-immersed transformers which during service are hermetically sealed and fully filled with liquid and volume change of the liquid due to temperature change compensated by elastic deformation of the cooling element for Large Power Transformers having a rated power greater than 3150 kVA.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 Special test for corrugated tank and tank with expandable radiators
5.1 General information
8 5.2 Temperature variation
5.3 Sealing temperature
5.4 Calculation of the volume variation
9 5.5 Test procedure
5.5.1 General
5.5.2 Measurement of pressure range
5.5.3 Endurance test
10 5.5.4 Leakage test
5.5.5 Acceptance criteria
6 Optional additional test
BS EN 50708-3-4:2022
$86.31