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C802.3-F15
CSA Group Valeurs minimales de rendement pour les transformateurs de puissance
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Preface This document is the second edition of CSA C802.3, Minimum Performance Values ??for Power Transformers. It replaces the first edition published in 2001 under Maximum Losses for Power Transformers and replaces CAN / CSA-C802, Maximum Losses for Dry Transformers, Distribution and Power, for Power Transformers. . CAN / CSA-C802-94 sections for dry and liquid insulated transformers have been revised and incorporated into CAN / CSA-C802.1, Minimum Performance Values ??for Liquid Insulation Transformers, and CAN / CSA-C802.1. CSA-C802.2, Minimum Performance Values ??for Dry Transformers, respectively. CSA C802.1, CAN / CSA-C802.2 and CAN / CSA-C802.3 cancel and replace CAN / CSA-C802. The amendments to this edition of C802.3 include the amendment of the performance evaluation criterion to achieve a "minimum return" rather than the "maximum loss" rating. CSA Group wishes to point out that the development of this standard has been made possible, in part, by the financial support of NRCan, BC Hydro, Manitoba Hydro, Hydro Quebec, the Canadian Electricity Association , the Ontario Ministry of Energy and the Independent Electricity System Operator (IESO). CSA Group also wishes to acknowledge the contribution to the development of this standard for the Transformer Performance Subcommittee, which was responsible for the development of CAN / CSA-C802. Field of application 1.1 This standard applies to all liquid-insulated power transformers, except the types listed in Clause 1.3, and specifies minimum performance values. The minimum performance values ??shown refer to transformers at their rated power, as indicated in Tables 1 to 3. The minimum efficiency values ??are also specified for some special configurations (see Clause 4.3). 1.2 This Standard covers power transformers rated 501 to 10,000 kVA, designed to operate at 60 Hz and does not include the effects of any harmonic. Note: Transformers designed for harmonic environments are often referred to as "K-factor transformers". 1.3 This standard does not apply to autotransformers, earthing transformers, rectifying transformers, reactors, or units with a change of load tap gear or tertiary windings. 1.4 In this standard, the word "shall" indicates a requirement, that is, a requirement that the user must meet to ensure compliance with the standard; "Should" indicates a recommendation or what it is advised but not required to do; and "may" indicates a possibility or what is permitted. The notes accompanying the articles do not include prescriptions or recommendations. They serve to separate from the text explanations or information that is not properly part of the norm. The notes at the bottom of the figures and tables are part of these and may be written as prescriptions. The annexes are qualified as normative (mandatory) or informative (optional) to specify its application.
Preface This document is the second edition of CSA C802.3, Minimum Performance Values ??for Power Transformers. It replaces the first edition published in 2001 under Maximum Losses for Power Transformers and replaces CAN / CSA-C802, Maximum Losses for Dry Transformers, Distribution and Power, for Power Transformers. . CAN / CSA-C802-94 sections for dry and liquid insulated transformers have been revised and incorporated into CAN / CSA-C802.1, Minimum Performance Values ??for Liquid Insulation Transformers, and CAN / CSA-C802.1. CSA-C802.2, Minimum Performance Values ??for Dry Transformers, respectively. CSA C802.1, CAN / CSA-C802.2 and CAN / CSA-C802.3 cancel and replace CAN / CSA-C802. The amendments to this edition of C802.3 include the amendment of the performance evaluation criterion to achieve a "minimum return" rather than the "maximum loss" rating. CSA Group wishes to point out that the development of this standard has been made possible, in part, by the financial support of NRCan, BC Hydro, Manitoba Hydro, Hydro Quebec, the Canadian Electricity Association , the Ontario Ministry of Energy and the Independent Electricity System Operator (IESO). CSA Group also wishes to acknowledge the contribution to the development of this standard for the Transformer Performance Subcommittee, which was responsible for the development of CAN / CSA-C802. Field of application 1.1 This standard applies to all liquid-insulated power transformers, except the types listed in Clause 1.3, and specifies minimum performance values. The minimum performance values ??shown refer to transformers at their rated power, as indicated in Tables 1 to 3. The minimum efficiency values ??are also specified for some special configurations (see Clause 4.3). 1.2 This Standard covers power transformers rated 501 to 10,000 kVA, designed to operate at 60 Hz and does not include the effects of any harmonic. Note: Transformers designed for harmonic environments are often referred to as "K-factor transformers". 1.3 This standard does not apply to autotransformers, earthing transformers, rectifying transformers, reactors, or units with a change of load tap gear or tertiary windings. 1.4 In this standard, the word "shall" indicates a requirement, that is, a requirement that the user must meet to ensure compliance with the standard; "Should" indicates a recommendation or what it is advised but not required to do; and "may" indicates a possibility or what is permitted. The notes accompanying the articles do not include prescriptions or recommendations. They serve to separate from the text explanations or information that is not properly part of the norm. The notes at the bottom of the figures and tables are part of these and may be written as prescriptions. The annexes are qualified as normative (mandatory) or informative (optional) to specify its application.