{"id":409232,"date":"2024-10-20T05:34:34","date_gmt":"2024-10-20T05:34:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-50708-2-42022\/"},"modified":"2024-10-26T10:13:00","modified_gmt":"2024-10-26T10:13:00","slug":"bs-en-50708-2-42022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-50708-2-42022\/","title":{"rendered":"BS EN 50708-2-4:2022"},"content":{"rendered":"
This document describes the special tests for Medium Power Transformers \u2264 3150 kVA compliant with the EN 50708 2 series: – for corrugated tank for liquid immersed transformers, – for the method of measurement of losses for one winding in Highest Voltage (HV) and windings in Lowest Voltage (LV) for liquid immersed and dry type transformers.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Service conditions 5 Special test for corrugated tank 5.1 General information 5.2 Temperature variation <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 5.3 Sealing temperature 5.4 Calculation of the liquid volume variation 5.5 Test procedure 5.5.1 General 5.5.2 Measurement of pressure range <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5.5.3 Endurance test 5.5.4 Leakage test 5.5.5 Evaluation of the tests 6 Method of measurement of losses on double LV windings 6.1 Introduction 6.2 Limits of this method 6.3 Resistance measurement <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6.4 Measurement of load losses and short circuit impedance <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Power transformers. Additional European requirements – Medium power transformer – Special tests<\/b><\/p>\n |