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Position: Chinese Standard in English/Q/GDW 731-2012
Q/GDW 731-2012   Selection Guide for On-load Capacity Regulating Power Transformer (English Version)
Standard No.: Q/GDW 731-2012 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 6000 words Price(USD):120.0 remind me the price change

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Implemented on:2012-3-2 Delivery: via email in 1 business day
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Standard No.: Q/GDW 731-2012
English Name: Selection Guide for On-load Capacity Regulating Power Transformer
Chinese Name: 有载调容配电变压器选型导则
Professional Classification: Q/    
Issued by: State Grid Corporation
Issued on: 2012-03-02
Implemented on: 2012-3-2
Status: valid
Language: English
File Format: PDF
Word Count: 6000 words
Price(USD): 120.0
Delivery: via email in 1 business day
1 Scope This standard specifies various technical requirements which shall be complied with upon manufacturing and selection of three-phase oil-immersed on-load capacity regulating power transformers (hereinafter referred to as "capacity regulating power transformer") with rated frequency of 50Hz, voltage grade of 10KV and rated capacity of 160 (50)~630(200)kVA. This standard is applicable to 10KV power distribution system within the business area of the State Grid Corporation of China. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. GB 1094.1 Power Transformers - Part 1: General GB 1094.2 Power Transformers - Part 2: Temperature Rise GB 1094.3 Power Transformers - Part 3: Insulation Levels, Dielectric Tests and External Clearances in Air GB 1094.5 Power Transformers - Part 5: Ability to Withstand Short Circuit GB 1094.5 Power Transformers - Part 7: Loading Guide for Oil-immersed Power Transformers GB 2536 Transformer Oils GB 4208 Degrees of Protection Provided by Enclosure (IP Code) (IEC 60925-2001, IDT) GB/T 6451 Specification and Technical Requirements for Three-phase Oil-immersed Power Transformers GB/T 10230.1 Tap-changers - Part 1: Performance Requirements and Test Methods GB/T 10230.2 Tap-changers - Part 2: Application Guide GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product GB/T 15153.1 Telecontrol Equipment and Systems - Part 2: Operating Conditions - Section 1: Power Supply and Electromagnetic Compatibility (idt IEC 870-2-1:1995, MOD) GB/T 17468 The Guide for Choice Power Transformers JB/T 501 Test Guide for Power Transformers DL/T 572 Operation Specification for Power Transformer DL/T 597 Specification of Low-voltage Reactive Compensation Controls for Order DL/T 698.1 Data Acquisition and Management System for Electrical Energy - Part 1: General Consideration JB/T 3837 Identification Method of Transformers Product Type JB/T 10088 Sound Level for 6kV~500kV Power Transformers JB/T 10778 Three-phase Oil-immersed Adjusting Power Transformers Q/GDW 200 Selection Guide for 10KV Regulating Capacity Power Transformer IEC 60870-5-101 Transmission Protocols - Companion Standard for Basic Telecontrol Tasks 3 Terms and Definitions For the purposes of this standard, the terms and definitions specified in GB/T 2900.1, GB 1094.1 and JB/T 10778 and those listed below apply. 3.1 Capacity regulating power transformer The power transformer equipped with two different rated capacities and with the connection mode of high-voltage winding and low-voltage winding changed according to load change and can reliably operates under different rated capacity conditions. 3.2 On-load capacity regulating power transformer The power transformer realizing capacity conversion under transformer excitation or load. 3.3 On-load capacity regulating tap-changers A tap-changer capable of simultaneously changing the winding connection mode on high- and low-voltage sides of capacity regulating power transformer under capacity regulating power transformer excitation or load. 3.4 On-load capacity regulating controller A control device capable of transferring relevant information and realizing the reliable conversion between high- and low-gear rated capacity operation modes through automatic detection and judgment according to actual loading condition of transformer under transformer excitation or load.
Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Product Model and Implication 5 Technical Requirements 6 Test 7 Type Selection Method 8 Marking, Packaging, Transportation and Storage 9 Installation, Operation and Maintenance 10 Delivery Documents and Information Required to be Provided during Bidding
Referred in Q/GDW 731-2012:
* GB 1094.1-2013 Power transformers--Part 1: General
* GB 1094.2-2013 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
* GB 1094.3-2003 Power transformers?Part 3:Insulation levels,dielectric tests and external clearances in air
* GB 1094.5-2008 Power transformers - Part 5: Ability to withstand short circuit
* GB 1094.5-2008 Power transformers - Part 5: Ability to withstand short circuit
* GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear
* GB 4208-2008 Degrees of Protection Provided By Enclosure (IP Code)
* GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers
* GB/T 10230.1-
* GB/T 10230.2-2007 Tap-changers—Part 2:Application guide
* GB/T 13384-2008 General specifications for packing of mechanical and electrical product
* GB/T 15153.1-1998 Telecontrol equipment and systems Part 2: Operating conditios Section 1: Power supply and electromagnetic compatibility
* GB/T 17468-2008 The Guide for Choice Power Transformers
* JB/T 501-2006 Test guide for power transformers
* DL/T 572-2010 Operation specification for power transformer
* DL/T 597-1996 Specification of low-voltage reactive compensation controls for order
* DL/T 698.1-2009 Data qcquisition and mangement system for electrical energy part 1:General consideration
* JB/T 3837-2010 Identification method of transformers product type
* JB/T 10088-2004 Sound level for 6kV~500kV power transformers
* JB/T 10778-2007 Three-phase oil-immersed adjusting power transformers
* Q/GDW 200-
Code of China
Standard
Q/GDW 731-2012  Selection Guide for On-load Capacity Regulating Power Transformer (English Version)
Standard No.Q/GDW 731-2012
Statusvalid
LanguageEnglish
File FormatPDF
Word Count6000 words
Price(USD)120.0
Implemented on2012-3-2
Deliveryvia email in 1 business day
Detail of Q/GDW 731-2012
Standard No.
Q/GDW 731-2012
English Name
Selection Guide for On-load Capacity Regulating Power Transformer
Chinese Name
有载调容配电变压器选型导则
Chinese Classification
Professional Classification
Q/
ICS Classification
Issued by
State Grid Corporation
Issued on
2012-03-02
Implemented on
2012-3-2
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
6000 words
Price(USD)
120.0
Keywords
Q/GDW 731-2012, Q/GDWT 731-2012, QGDWT 731-2012, Q/GDW731-2012, Q/GDW 731, Q/GDW731, Q/GDWT731-2012, Q/GDWT 731, Q/GDWT731, QGDWT731-2012, QGDWT 731, QGDWT731
Introduction of Q/GDW 731-2012
1 Scope This standard specifies various technical requirements which shall be complied with upon manufacturing and selection of three-phase oil-immersed on-load capacity regulating power transformers (hereinafter referred to as "capacity regulating power transformer") with rated frequency of 50Hz, voltage grade of 10KV and rated capacity of 160 (50)~630(200)kVA. This standard is applicable to 10KV power distribution system within the business area of the State Grid Corporation of China. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. GB 1094.1 Power Transformers - Part 1: General GB 1094.2 Power Transformers - Part 2: Temperature Rise GB 1094.3 Power Transformers - Part 3: Insulation Levels, Dielectric Tests and External Clearances in Air GB 1094.5 Power Transformers - Part 5: Ability to Withstand Short Circuit GB 1094.5 Power Transformers - Part 7: Loading Guide for Oil-immersed Power Transformers GB 2536 Transformer Oils GB 4208 Degrees of Protection Provided by Enclosure (IP Code) (IEC 60925-2001, IDT) GB/T 6451 Specification and Technical Requirements for Three-phase Oil-immersed Power Transformers GB/T 10230.1 Tap-changers - Part 1: Performance Requirements and Test Methods GB/T 10230.2 Tap-changers - Part 2: Application Guide GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product GB/T 15153.1 Telecontrol Equipment and Systems - Part 2: Operating Conditions - Section 1: Power Supply and Electromagnetic Compatibility (idt IEC 870-2-1:1995, MOD) GB/T 17468 The Guide for Choice Power Transformers JB/T 501 Test Guide for Power Transformers DL/T 572 Operation Specification for Power Transformer DL/T 597 Specification of Low-voltage Reactive Compensation Controls for Order DL/T 698.1 Data Acquisition and Management System for Electrical Energy - Part 1: General Consideration JB/T 3837 Identification Method of Transformers Product Type JB/T 10088 Sound Level for 6kV~500kV Power Transformers JB/T 10778 Three-phase Oil-immersed Adjusting Power Transformers Q/GDW 200 Selection Guide for 10KV Regulating Capacity Power Transformer IEC 60870-5-101 Transmission Protocols - Companion Standard for Basic Telecontrol Tasks 3 Terms and Definitions For the purposes of this standard, the terms and definitions specified in GB/T 2900.1, GB 1094.1 and JB/T 10778 and those listed below apply. 3.1 Capacity regulating power transformer The power transformer equipped with two different rated capacities and with the connection mode of high-voltage winding and low-voltage winding changed according to load change and can reliably operates under different rated capacity conditions. 3.2 On-load capacity regulating power transformer The power transformer realizing capacity conversion under transformer excitation or load. 3.3 On-load capacity regulating tap-changers A tap-changer capable of simultaneously changing the winding connection mode on high- and low-voltage sides of capacity regulating power transformer under capacity regulating power transformer excitation or load. 3.4 On-load capacity regulating controller A control device capable of transferring relevant information and realizing the reliable conversion between high- and low-gear rated capacity operation modes through automatic detection and judgment according to actual loading condition of transformer under transformer excitation or load.
Contents of Q/GDW 731-2012
Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Product Model and Implication 5 Technical Requirements 6 Test 7 Type Selection Method 8 Marking, Packaging, Transportation and Storage 9 Installation, Operation and Maintenance 10 Delivery Documents and Information Required to be Provided during Bidding
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