GB/T 17948.3-2006

📋 Scope / 适用范围 ai_extracted

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📝 Foreword / 前言 ai_extracted

"The series of standards 'Functional Evaluation of Insulation Systems for Rotating Electrical Machines' is divided into the following parts: — Part 1: General Guidelines (GB/T 17948-2003/IEC 60034-18-1:1992); — Part 2: Test Procedures for Random-Wound Windings — Thermal Evaluation and Classification (GB/T 17948.1-2000/IEC 60034-18-21:1992); — Part 3: Test Procedures for Random-Wound Windings — Classification of Changes and Insulation Component Substitutions (GB/T 17948.2-2006/IEC 60034-18-22:2000); — Part 4: Test Procedures for Form-Wound Windings — Thermal Evaluation and Classification of Insulation Systems for Machines up to 50 MVA and 15 kV (GB/T 17948.3-2006/IEC 60034-18-31:1992); — Part 5: Test Procedures for Form-Wound Windings — Electrical Evaluation of Insulation Systems for Machines up to 50 MVA and 15 kV (IEC/TS 60034-18-32:1995); — Part 6: Test Procedures for Form-Wound Windings — Multi-Factor Functional Evaluation — Combined Thermal and Electrical Evaluation of Insulation Systems for Machines up to 50 MVA and 15 kV (IEC/TS 60034-18-33:1995); — Part 7: Test Procedures for Form-Wound Windings — Evaluation of Thermal-Mechanical Durability of Insulation Systems (IEC/TS 60034-18-34:2000). This part identically adopts IEC 60034-18-31:1992 'Functional Evaluation of Insulation Systems for Rotating Electrical Machines — Test Procedures for Form-Wound Windings — Thermal Evaluation and Classification of Insulation Systems for Machines up to 50 MVA and 15 kV'. Annex A of this part is informative. This part is proposed by the China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Technical Committee for Standardization of Rotating Electrical Machines (SAC/TC 26). The responsible drafting organization for this part is Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd. Participating drafting organizations for this part include: Harbin Institute of Large Electrical Machinery, Shanghai Electric Cable Research Institute, Zhejiang Jinlong Motor Co., Ltd., Suzhou Jufeng Insulation Materials Co., Ltd., and Jinan Power Generation Equipment Factory. Main drafters of this part: Zhang Shengde, Zhu Yulong, Shao Aifeng, Sui Yinde, Ren Yong, Ye Jinwu, Xu Weihong, and Lu Qijie. GB/T 17948.3-2006/IEC 60034-18-31:1992 Introduction GB/T 17948 provides general guidelines for the evaluation and classification of insulation systems for rotating electrical machines. This part specifically addresses form-wound winding insulation systems. This part provides test procedures for thermal evaluation and classification. GB/T 17948.3-2006/IEC 60034-18-31:1992 Functional Evaluation of Insulation Systems for Rotating Electrical Machines — Test Procedures for Form-Wound Windings — Thermal Evaluation and Classification of Insulation Systems for Machines up to 50 MVA and 15 kV 1 Scope This part specifies test procedures for the thermal evaluation and classification of insulation systems for form-wound windings of AC and DC rotating electrical machines up to 50 MVA and 15 kV, which are used or recommended for such purposes. The test procedure compares the performance of the insulation system under evaluation with that of a reference insulation system proven by service experience. This part shall be used in conjunction with GB/T 17948-2003. Note 1: Experience with the application of the test procedures given in this part to insulation systems above 6.6 kV is currently limited. Note 2: Large machines, particularly those using coil bars, may require special thermal evaluation test procedures not covered in this part. 2 Normative References The following documents contain provisions that, through reference in this part, constitute provisions of this part. For dated references, subsequent amendments (excluding corrigenda) or revisions to any of these publications do not apply to this part. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the documents indicated below. For undated references, the latest edition of the document referred to applies. GB/T 17948-2003 Functional Evaluation of Insulation Systems for Rotating Electrical Machines — General Guidelines (IEC 60034-18-1:1992, IDT) 3 General"

📚 References & Relations / 引用与关联

🔗 Related Standards / 同类标准