GB/T 15166.6-2023 English PDFUS$359.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 15166.6-2023: High-voltage alternating-current fuses - Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications Status: Valid GB/T 15166.6: Historical versions
Basic dataStandard ID: GB/T 15166.6-2023 (GB/T15166.6-2023)Description (Translated English): High-voltage alternating-current fuses - Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K43 Classification of International Standard: 29.120.50 Word Count Estimation: 18,127 Date of Issue: 2023-03-17 Date of Implementation: 2023-10-01 Older Standard (superseded by this standard): GB/T 15166.6-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 15166.6-2023: High-voltage alternating-current fuses - Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. ICS29:120:50 CCSK43 National Standards of People's Republic of China Replace GB/T 15166:6-2008 High voltage ac fuses part 6: for transformers Guidelines for selection of fuses for high-voltage fuses in circuits High-voltage alternating-current fuses-Part 6: Application guide for circuit applications 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 1 5 Current limiting fuse 1 5:1 Basic principles 1 5:2 Time-current characteristics of fuses 3 5:3 Rated voltage 3 5:4 Rated current 3 5:5 Rated minimum breaking current 3 5:6 Back-up fuses used in combination appliances or combined with other switching devices 4 6 Jet fuse 4 6:1 Basic requirements 4 6:2 System conditions 5 6:3 Time-current characteristics 5 6:4 Rated voltage 5 6:5 Rated current 5 6:6 Rated maximum breaking current 6 7 Combination of current-limiting fuses and jetting fuses 6 7:1 Overview 6 7:2 Basic coordination principles 6 7:3 Matching fusion fit 7 7:4 Time-current curve cross fit 9 7:5 Prevention of damage to back-up fuses 9 7:6 Overload protection of back-up current-limiting fuse 10 Reference 12 Figure 1 Characteristics related to HV/LV transformer circuit protection 2 Figure 2 Example of matching melt fit 7 Figure 3 Example of time-current cross fit8 Figure 4 Fuses "no damage" margin 10forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is Part 6 of GB/T 15166 "High Voltage AC Fuses": GB/T 15166 has published the following parts: --- Part 1: Terminology; --- Part 2: Current-limiting fuses; --- Part 3: Spray fuses; --- Part 4: Fuses for external protection of shunt capacitors; --- Part 5: Guidelines for the selection of fuses for high-voltage fuses used in motor circuits; --- Part 6: Guidelines for the selection of fuses for high-voltage fuses for transformer circuits: This document replaces GB/T 15166:6-2008 "High Voltage AC Fuses Part 6: Specifications for High Voltage Fuses Used in Transformer Circuits" Compared with GB/T 15166:6-2008, except for structural adjustment and editorial changes, the main technical changes in "Guidelines for Selection of Fuse Links" are as follows: --- Added fuse types suitable for transformer circuits (see Chapter 1); --- Added guidelines for the selection of fuses for jet fuses used in transformer circuits (see Chapter 5); --- Increased selection guidelines for the combination of current-limiting fuses and spray fuses for transformer circuits (see Chapter 6): Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Fuse Standardization Technical Committee (SAC/TC340): This document is drafted by: Xi'an High Voltage Apparatus Research Institute Co:, Ltd:, Cooper Electronic Technology (Shanghai) Co:, Ltd:, Shanghai Nanhualan Ling Electric Co:, Ltd:, Schneider Electric (China) Co:, Ltd:, Risheng Group Co:, Ltd:, State Grid Liaoning Electric Power Co:, Ltd: Power Science Research Institute, State Grid Hebei Electric Power Co:, Ltd: Electric Power Research Institute, State Grid Zhejiang Electric Power Co:, Ltd: Electric Power Research Institute, Ningbo Shun Li High Voltage Switch Technology Co:, Ltd:, Shandong Taikai Intelligent Power Distribution Co:, Ltd:, Zhejiang Bada Electronic Instrument Co:, Ltd: Shitong Electric Branch, Jiangdong Fitting Equipment Co:, Ltd:, Shanghai Electric Power Transmission and Distribution Test Center Co:, Ltd:, Xi'an Jiaotong University, China Electric Power Research Institute Co:, Ltd: Company, Eaton Electric Co:, Ltd:, Hongguang Electric Group Co:, Ltd:, Jiaxing Zhuoda Electric Technology Co:, Ltd:, Chint Electric Co:, Ltd: Division, Zhejiang Minyuan High Voltage Electric Co:, Ltd: The main drafters of this document: Xing Na, Tian Enwen, Sun Ming, Tan Yan, Lei Xiaoqiang, Gu Lili, Wang Feiming, Xie Ruitao, Pang Xianhai, Xie Cheng, Hu Guangfu, Ren Xiaodong, Ye Shuxin, Li Xiaodong, Le Sanxiang, Qiu Weifeng, Jiang Ziyuan, Liu Zhiyuan, Feng Ying, Kong Xiangjun, Chen Hongfei, Shi Hongwei, Fan Guangwei, Chen Weiwei, Shen Longjie, Cui Xudong, Dai Haoze, Zhao Qingbin: The release status of previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 15166:2-1994 in:1994; --- In the first revision in:2008, it was separated from GB/T 15166:2-1994 and became GB/T 15166:6-2008; --- This is the second revision:IntroductionHigh-voltage AC fuse products are widely used in power transmission and distribution systems with a nominal voltage of 3kV and above in my country, as well as in factories, mines, and small residents: In the area, and as a protection device for lines, motors, transformers, fuses and other equipment: In this regard, my country has established a support system for high-voltage traffic GB/T 15166 series national standard system for current fuse products: GB/T 15166 aims to establish the design of high-voltage AC fuses, Ratings, tests and selection criteria for special occasions are proposed to be composed of 8 parts: --- Part 1: Terminology: The purpose is to provide common terminology for the standards within the system: --- Part 2: Current-limiting fuses: The purpose is to put forward normative requirements for high-voltage AC current-limiting fuses: --- Part 3: Jet fuses: The purpose is to put forward normative requirements for high-voltage AC jet fuses: --- Part 4: Fuses for external protection of shunt capacitors: The purpose is to provide the special work of the fuse for the external protection of shunt capacitors: specific additional requirements: --- Part 5: Guidelines for the selection of fuses for high-voltage fuses for motor circuits: The purpose is to protect the motor circuit The special case of fuses imposes special additional requirements: --- Part 6: Guidelines for the selection of fuses for high-voltage fuses for transformer circuits: The purpose is to protect the transformer circuit The special case of fuses imposes special additional requirements: --- Part 7: Guidelines for the selection of fuses for high-voltage fuses for voltage transformers: The purpose is to protect the voltage transformer The special case of fuses imposes special additional requirements: --- Part 8: Tutorials and application guidelines: The purpose is to guide the selection of fuses under different operating conditions: High voltage ac fuses part 6: for transformers Guidelines for selection of fuses for high-voltage fuses in circuits1 ScopeThis document gives the basic principles for the coordination of fuses and other components of high-voltage fuses used in transformer circuits, and according to its Pre-arc time-current characteristics and other ratings are guidelines for the selection of this type of fuse: This document applies to transformer circuits and complies with GB/T 15166:2-2008 and GB/T 15166:3-2023 for high-voltage AC fuses The fuse of the device: The fuses covered in this document are: current-limiting fuses, jet fuses and combinations thereof:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 14808-2016 High-voltage AC contactors, contactor-based controllers and motor starters GB/T 15166:2-2008 High voltage AC fuses Part 2: Current limiting fuses GB/T 15166:3-2023 High Voltage AC Fuses Part 3: Spray Fuses GB/T 16926-2009 High-voltage AC load switch-fuse combination3 Terms and DefinitionsThis document does not have terms and definitions that need to be defined:4 AbbreviationsThe following abbreviations apply to this document:5 Current limiting fuse5:1 Basic principles Figure 1 shows a system that includes high voltage fuses (or fuse banks), transformers and possible supply side and load side protection devices: of typical transformer applications: First, select the transformer according to its specific working conditions, so as to determine the value of the rated current of the transformer and the value of the allowable overload current (if applicable) ), and extrapolate the value of the inrush current: Then select the high voltage fuse(s) to provide the best protection for the circuit: Refer to Figure 1 for the selection of fuses And consider the following factors: a) The minimum pre-arc time-current characteristic of the primary side high-voltage fuse is located on the right side of point A that determines the inrush current characteristics of the transformer: for For practical purposes, the inrush current of the transformer can be about 12 times the rated current of the transformer and last for 0:1s: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 15166.6-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 15166.6-2023_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 15166.6-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15166.6-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
