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GB/T 10228-2023   Technical parameters and requirements for dry-type power transformers (English Version)
Standard No.: GB/T 10228-2023 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 8500 words Price(USD):255.0 remind me the price change

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Implemented on:2023-12-1 Delivery: via email in 1~3 business day
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Standard No.: GB/T 10228-2023
English Name: Technical parameters and requirements for dry-type power transformers
Chinese Name: 干式电力变压器技术参数和要求
Chinese Classification: K41    Transformer
Professional Classification: GB    National Standard
Issued by: SAMR; SAC
Issued on: 2023-05-23
Implemented on: 2023-12-1
Status: valid
Superseding:GB/T 10228-2015 Specification and technical requirements for dry-type power transformers
Language: English
File Format: PDF
Word Count: 8500 words
Price(USD): 255.0
Delivery: via email in 1~3 business day
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents. This document replaces GB/T 10228-2009 Technical parameters and requirements for dry-type power transformers. In addition to structural adjustments and editorial, the following main technical changes have been made with respect GB/T 10228-2009: —— The no-load loss of 6 kV / 10 kV de-energized voltage-regulating distribution transformers is reduced by about 20% on average, and the no-load current (rated capacity of 250 kVA and above) is reduced by about 20% on average (Table 1 herein; Table 1 of Edition 2015); —— The no-load loss of 6 kV / 10 kV de-energized voltage-regulating power transformers is reduced by about 20% on average, and the no-load current is reduced by about 20% on average (Table 2 herein; Table 2 of Edition 2015); —— The no-load loss of 6 kV / 10 kV on-load voltage-regulating distribution transformers is reduced by about 20% on average, and the no-load current is reduced by about 20% on average (Table 3 herein; Table 3 of Edition 2015); —— The no-load loss of 20 kV de-energized voltage-regulating distribution transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 4 herein; Table 4 of Edition 2015); —— The no-load loss of 35 kV de-energized voltage-regulating distribution transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 5 herein; Table 5 of Edition 2015); —— The no-load loss of 35 kV de-energized voltage-regulating power transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 6 herein; Table 6 of Edition 2015);. —— The no-load loss of 35 kV on-load voltage-regulating power transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 7 herein; Table 7 of Edition 2015); —— Text "different insulation system temperatures" is changed to "different Thermal insulation grades", and the expression form is revised (Clause 4 herein; Clause 4 of Edition 2015); —— The inspection rules and methods are modified (Clause 6 hereof; Clause 6 of Edition 2015). This document was proposed by China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Transformers of Standardization Administration of China (SAC/TC 44). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. Specification and technical requirements for dry-type power transformers 1 Scope This Document specifies the performance parameters, technical requirements, inspection rules and methods, marking, lifting, packaging, transportation and storage of dry-type power transformers. This Document is applicable to de-energized or on-load voltage-regulating three-phase dry-type power transformers with a rated power of 30 kVA and above, a rated frequency of 50 Hz, a voltage class of 6 kV, 10 kV, 20 kV or 35 kV, equipped with electrical steel core for indoor use. This Document is applicable to gas-filled transformers. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the Edition cited applies. For undated references, the latest Edition (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1094.1 Power transformers - Part 1: General GB/T 1094.11 Power transformers - Part 11: Dry-type transformers GB/T 1094.12 Power transformers - Part 12: Loading guide for dry-type power transformers GB/T 2900.95 Electrotechnical terminology—transformers, voltage regulators and reactors GB/T 5273 Dimensional standardization of terminals for high-voltage apparatus GB/T 5465.2 Graphical symbols for use on electrical equipment - Part 2: Graphical symbols JB/T 501 Test guide for power transformers JB/T 10088 Sound level for 6kV~1000kV power transformers 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 1094.1, GB/T 1094.11 and GBT 2900.95 and the following apply. 3.1 power transformer transformer that transforms the AC voltage and current values of a power system into different voltages and currents of another power system to deliver electrical energy 3.2 distribution transformer power transformation for distribution that regulates higher voltages to the last-level distribution voltages 4 Performance parameters 4.1 Rated power, voltage combination, tapping range, connection symbol, no-load loss, load loss, no-load current and short-circuit impedance of dry-type power transformers shall meet those specified in Tables 1 to 3.
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Performance parameters
GB/T 10228-2023 is referred in:
*DL/T 843-2010 Specification for excitation system for large turbine generators
*GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
Code of China
Standard
GB/T 10228-2023  Technical parameters and requirements for dry-type power transformers (English Version)
Standard No.GB/T 10228-2023
Statusvalid
LanguageEnglish
File FormatPDF
Word Count8500 words
Price(USD)255.0
Implemented on2023-12-1
Deliveryvia email in 1~3 business day
Detail of GB/T 10228-2023
Standard No.
GB/T 10228-2023
English Name
Technical parameters and requirements for dry-type power transformers
Chinese Name
干式电力变压器技术参数和要求
Chinese Classification
K41
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2023-05-23
Implemented on
2023-12-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 10228-2015 Specification and technical requirements for dry-type power transformers
Language
English
File Format
PDF
Word Count
8500 words
Price(USD)
255.0
Keywords
GB/T 10228-2023, GB 10228-2023, GBT 10228-2023, GB/T10228-2023, GB/T 10228, GB/T10228, GB10228-2023, GB 10228, GB10228, GBT10228-2023, GBT 10228, GBT10228
Introduction of GB/T 10228-2023
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents. This document replaces GB/T 10228-2009 Technical parameters and requirements for dry-type power transformers. In addition to structural adjustments and editorial, the following main technical changes have been made with respect GB/T 10228-2009: —— The no-load loss of 6 kV / 10 kV de-energized voltage-regulating distribution transformers is reduced by about 20% on average, and the no-load current (rated capacity of 250 kVA and above) is reduced by about 20% on average (Table 1 herein; Table 1 of Edition 2015); —— The no-load loss of 6 kV / 10 kV de-energized voltage-regulating power transformers is reduced by about 20% on average, and the no-load current is reduced by about 20% on average (Table 2 herein; Table 2 of Edition 2015); —— The no-load loss of 6 kV / 10 kV on-load voltage-regulating distribution transformers is reduced by about 20% on average, and the no-load current is reduced by about 20% on average (Table 3 herein; Table 3 of Edition 2015); —— The no-load loss of 20 kV de-energized voltage-regulating distribution transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 4 herein; Table 4 of Edition 2015); —— The no-load loss of 35 kV de-energized voltage-regulating distribution transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 5 herein; Table 5 of Edition 2015); —— The no-load loss of 35 kV de-energized voltage-regulating power transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 6 herein; Table 6 of Edition 2015);. —— The no-load loss of 35 kV on-load voltage-regulating power transformers is reduced by about 10% on average, and the no-load current is reduced by about 10% on average (Table 7 herein; Table 7 of Edition 2015); —— Text "different insulation system temperatures" is changed to "different Thermal insulation grades", and the expression form is revised (Clause 4 herein; Clause 4 of Edition 2015); —— The inspection rules and methods are modified (Clause 6 hereof; Clause 6 of Edition 2015). This document was proposed by China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Transformers of Standardization Administration of China (SAC/TC 44). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. Specification and technical requirements for dry-type power transformers 1 Scope This Document specifies the performance parameters, technical requirements, inspection rules and methods, marking, lifting, packaging, transportation and storage of dry-type power transformers. This Document is applicable to de-energized or on-load voltage-regulating three-phase dry-type power transformers with a rated power of 30 kVA and above, a rated frequency of 50 Hz, a voltage class of 6 kV, 10 kV, 20 kV or 35 kV, equipped with electrical steel core for indoor use. This Document is applicable to gas-filled transformers. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the Edition cited applies. For undated references, the latest Edition (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1094.1 Power transformers - Part 1: General GB/T 1094.11 Power transformers - Part 11: Dry-type transformers GB/T 1094.12 Power transformers - Part 12: Loading guide for dry-type power transformers GB/T 2900.95 Electrotechnical terminology—transformers, voltage regulators and reactors GB/T 5273 Dimensional standardization of terminals for high-voltage apparatus GB/T 5465.2 Graphical symbols for use on electrical equipment - Part 2: Graphical symbols JB/T 501 Test guide for power transformers JB/T 10088 Sound level for 6kV~1000kV power transformers 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 1094.1, GB/T 1094.11 and GBT 2900.95 and the following apply. 3.1 power transformer transformer that transforms the AC voltage and current values of a power system into different voltages and currents of another power system to deliver electrical energy 3.2 distribution transformer power transformation for distribution that regulates higher voltages to the last-level distribution voltages 4 Performance parameters 4.1 Rated power, voltage combination, tapping range, connection symbol, no-load loss, load loss, no-load current and short-circuit impedance of dry-type power transformers shall meet those specified in Tables 1 to 3.
Contents of GB/T 10228-2023
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Performance parameters
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Keywords:
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