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Chinese Standard: 'GB50053-2013'
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GB 50053-2013English90 Add to Cart 0--15 minutes. Auto immediate delivery. Code for design of 20kV and below substation Valid GB 50053-2013
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Code for Design of 20kV and Below
Jointly issued by the Ministry of Housing and Urban-Rural Development
(MOHURD) and the General Administration of Quality
Supervision, Inspection and Quarantine (AQSIQ) of the
People's Republic of China
This code is revised from the original national standard "Code for Design of 10kV &
under Electric Substation" (GB 50053-94) jointly by China Electric Design & Research
Institute, Co., Ltd. and other organizations concerned according to the requirements of the
former Ministry of Construction-"Notice on Printing 'Development and Revision Plan of
National Engineering Construction Standards in 2001~2002'" (JIANBIAO [2002] No. 85).
The drafting group of this code formulated and finalized this code by conducting
extensive investigations, earnestly summarizing the practical experiences, making reference
to the related international standards and foreign advanced standards as well as extensively
soliciting opinions.
This code comprises 6 chapters with the main contents as follows. general provisions,
selection of substation location, electrical part, layout of switchgear and transformer, shunt
capacitor and requirements on relevant specialties.
There have been some significant changes in this code in the following technical aspects.
1 Code name was changed into "Code for Design of 20kV and Below Substation" from
"Code for Design of 10kV & under Electric Substation";
2 Application scope of this code was expanded to "design of 20kV and below
substation" from "10kV and under substation";
3 Technical requirements for aspects of design of 20kV substation were added;
4 Design requirements and fire protection requirements for substations in high-rise
civil buildings were added;
5 Contents of "prefabricated substation" were added;
6 Provision for new type operational power supply of substation was added;
7 Provision for engineering design of shunt capacitor was supplemented;
8 Provisions for design of substation over aspects such as fire protection and building
were supplemented, improved and modified;
9 Other provisions of the former code were supplemented, improved and modified.
Provisions printed in bold type are compulsory ones and must be enforced strictly.
Ministry of Housing and Urban-Rural Development is in charge of the administration of
this standard and the explanation of the compulsory provisions; China Machinery Industry
Federation is responsible for daily management, and China Electric Design & Research
Institute, Co., Ltd. is responsible for the explanation of specific technical contents. During the
process of implementing this code, if contents that need modification or supplementation are
found, please send opinions and suggestions to China Electric Design & Research Institute,
Co., Ltd. (address. China Electrical Engineering Building, No. 9, Shouti South Road, Haidian
District, 100048, Beijing).
Chief development organizations, participating development organizations, chief
drafting staffs and chief examiners of this code.
Chief development organization. China Electric Design & Research Institute, Co., Ltd.
Participating development organizations.
China National Electric Engineering Co., Ltd.
China Aviation Planning and Construction Development Co., Ltd.
1 General Provisions...1
2 Selection of Substation Location... 2
3 Electrical Part...4
3.1 General Requirement... 4
3.2 Main Circuit Connection...4
3.3 Transformer...6
3.4 Power Supply... 6
3.5 Operational Power Supply... 6
3.6 Preassembled Substation...7
4 Layout of Switchgear and Transformer... 8
4.1 Type and Layout...8
5 Shunt Capacitor... 12
5.1 General Requirements...12
5.2 Electrical Circuit Connection and Accessory...13
5.3 Layout... 13
6 Requirements on Relevant Specialties...15
6.1 Fire Protection...15
6.2 Building...16
6.3 Heating and Ventilation...17
6.4 The Others...18
Explanation of Wording in the Code... 19
List of Quoted Standards... 20
1Code for Design of 20kV and Below Substation
1 General Provisions
1.0.1 This code is formulated with a view to assuring personal and property safety as well as
power supply reliability, to achieving technical advancement and economic rationality, and to
making easy installation and maintenance.
1.0.2 This code is ......
Related standard:   GB/T 32576-2016  GB/T 32673-2016
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