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This guide provides recommendations for loading mineral-oil-immersed transformers and step-voltage regulators with insulation systems rated for a 65 °C average winding temperature rise at rated load. This guide applies to transformers manufactured in accordance with IEEE Std...
EN 50216-6 covers radiators, i.e. the thermal exchangers for the oil cooling with natural ambient air circulation. Such radiators are made with several elements with cooling channels connected in parallel. This standard defines the overall dimensions and ensures the mechanical...
EN 50216-11 covers the oil temperature and the winding temperature indicators (thermal image), dial type, with contacts for liquid immersed power transformers and reactors for indoor or outdoor installation. This standard defines the characteristics of the instruments in order to...
This document provides guidance in the application of dissolved gas analysis (DGA) to transformers and reactors subjected to factory temperature rise tests. This document consists of evaluation procedures and guidelines for acceptable levels of gases generated in conventional mineral...
This Technical Specification is applicable to capacitance graded outdoor bushings with values of highest voltage for equipment (Um) from 52 kV up to 420 kV and with values of rated current (Ir) up to 3 150 A and frequencies from 15 Hz up to 60 Hz for oil immersed transformers. The...
Introduction The recommendations presented in this guide apply primarily to modern large oilimmersed power transformers with high-voltage windings rated 345 kV and above. This guide is a supplement to ANSI/IEEE C57.12.11- 1980, Guide for Installation of Oil-Immersed...
Applies to transformers covered by BS 171.
La serie di Norme 50216 descrive alcuni accessori tipici di trasformatori, offrendo soluzioni unificate. La parte 6 descrive le forme costruttive dei radiatori da montarsi sui trasformatori immersi in olio.
This guide is applicable to the measurement of Frequency Response Analysis (FRA) of an oil-immersed power transformer. The guide will include the requirements and specifications for instrumentation, procedures for performing the tests, techniques for analyzing the data, and...
Describes the means by which the concentrations of dissolved gases or free gases previously removed from the oil by the techniques described in BS 5574, may be interpreted to diagnose the condition of a transformer in service and suggest future action
Permissible loading under defined conditions for the guidance of users and system planners. Limitations adopted, basis of guide, selection of appropriate tables and examples. Substantially agrees with IEC 60354.
This part of IEC 61558 deals with the safety of ignition transformers for gas and oil burners. Ignition transformers incorporating electronic circuits are also covered by this standard. NOTE 1 Safety includes electrical, thermal, mechanical and chemical aspects. Unless...
