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Basic data | Standard ID | DL/T 5056-2024 (DL/T5056-2024) | | Description (Translated English) | (General layout design specification for substation engineering) | | Sector / Industry | Electricity & Power Industry Standard (Recommended) | | Classification of Chinese Standard | P62 | | Classification of International Standard | 29.240 | | Date of Issue | 2024-05-24 | | Date of Implementation | 2024-11-24 | | Older Standard (superseded by this standard) | DL/T 5056-2007 | | Issuing agency(ies) | National Energy Administration | DL/T 5056-2007: Technical Code of General Plan Design for Substation---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.
Technical code of general plan design for substation
ICS 29.240.10
P 62
Record number. J761-2007
People's Republic of China Power Industry Standard
P DL / T 5056 -.2007
Replace DL / T 5056 -.1996
Technical specification for general layout design of substation
Technical code of general plan
Design for substation
Released on.2007-12-03
2008-06-01 implementation
National Development and Reform Commission of the People's Republic of China
People's Republic of China Power Industry Standard
Technical specification for general layout design of substation
DL / T 5056 -.2007
Replace DL / T 5056 -.1996
China Power Press publishes and distributes
Beijing Botu Color Printing Co., Ltd. Printing
The first edition of June.2008, the first edition of Beijing, June.2008
850 mm × 1168 mm 32 open book 2.25 printed sheet 58 thousand words
Printed number 0001-3000
Uniform book number 155083·1948 Price 10.00 yuan
Advise the reader
The cover of the book is affixed with a security label, and the center pattern disappears after heating.
If the book has print quality problems, our agency is responsible for the return.
Copyright proprietary reprint
Sales Classification Recommendation. Code Specification /
Power Engineering/General
/ T
6 -
/ T
DL / T 5056 -.2007
Content
Foreword...
1 Scope... 1
2 Normative references... 2
3 General ...
4 Master Plan...
5 Total Plane Layout...
6 Vertical arrangement ...
7 Underground Pipeline (Channel) Layout... twenty one
8 路...
9 Outdoor power distribution equipment site treatment and greening... 30
10 Technical and Economic Indicators...
Article Description...
DL / T 5056 -.2007
Foreword
This standard is based on the National Development and Reform Commission of the National Development and Reform Commission [2004] No. 872
The Office’s arrangements for the issuance of the Notice of the.2004 Industry Standard Project Plan,
Revised DL/T 5056-1996.
This revision of DL/T 5056-1996 implements the foundation of China's power construction.
This policy, earnestly implement the principles of "safe and reliable, economical, and in line with national conditions" and
Control engineering cost, actively promote advanced technology, mature and reliable design technology, pay attention to
The requirement to adapt to the land and to adapt to the socialist market economic system.
This standard has been modified as follows in comparison with DL/T 5056-1996.
1. Added two chapters of "scope" and "normative reference documents" and chapters
The title has been modified.
2. Increased the total layout requirements of the 750kV substation, and the applicable range is extended to voltage, etc.
The total layout design of the new or expanded substation is from 110kV to 750kV.
3. The greening planning provisions of the substation have been cancelled, and the local projects should be adapted to local conditions.
Properly greening the substation or adopting other forms of coverage protection on the site to avoid
The site dusts and achieves the purpose of saving water.
4. Increased common special soil sites such as expansive soil areas and collapsible loess areas
General layout and vertical layout requirements.
5. Cancel or modify some of the development directions and operations that are not suitable for today's substation technology
Construction and construction of buildings and their layout, such as communication buildings, microwave towers, and materials
Library, maintenance room, garage, administrative office, coal-fired boiler room, front yard courtyard
Arrangement and so on.
6. Classification of fire hazards of buildings (structures) and their fire resistance rating, substation
The fire separation distance of each building (structure) and equipment and the current national standard GB 50016
Building Design Fire Protection Code and GB 50229 "Fire Power Plant and Substation Design Fire Protection Regulations"
Fan is coordinated.
DL / T 5056 -.2007
7. According to the actual flood control standards in various parts of the country, especially in cities, this revision will
The design elevation of the site of the 110kV substation station area should be higher than the frequency of 2% (recurrence period, under
The same flood level or historical maximum water level, 220kV substation station area
The elevation of the gauge should be higher than the flood water level with a frequency of 1% or the highest water level in the history.
It is a 220kV hub substation and a substation with a voltage level of 220kV or higher.
The design elevation should be higher than the flood level or history with a frequency of 1% (recurring period, the same below)
High internal water level; other voltage level substation site area design elevation should be higher than frequency
The rate is 2% of the flood level or the historical highest inland water level.
8. Increased retaining wall in expansive soil area and excavated land in expansive soil area
The design of the net distance from the external wall of the building (structure) to the foot support structure.
9. The allowable value of slope rate of soil excavation slope and the allowable value of slope rate of rock excavation slope are
The current national standard GB 50330 "Technical Specifications for Building Slope Engineering" is coordinated.
10. Increased substations in mountainous and hilly areas, with stonework on the spot
At the time, the proportion of earth and stone should be counted.
11. Increased requirements for site leveling in collapsible loess areas.
12. The cable gland cover can be added to use the finished cover.
13. The “Overhead Pipeline” section has been removed.
14. Increased special soil sites such as expansive soil areas and collapsible loess areas
Use urban roads inside the station.
15. In accordance with the current national standard GB 50016 "Code for Fire Protection of Building Design"
Therefore, this revision will change the net width of the main circular fire lane of the substation from 3.5m to
4m.
16. Increased the width and turning radius of the high-voltage reactors in the station.
17. Revised the coverage protection method for outdoor power distribution equipment.
18. Eliminated the land area and station within the fence of the living area in the main technical and economic indicators.
The greening area of the district, the greening land coefficient of the station area and the calculation method of its indicators.
This standard replaces DL/T 5056-1996 after implementation.
This standard was proposed by the China Electric Power Enterprise Association Standardization Center.
This standard is under the jurisdiction of the Power Industry Power Planning and Design Standardization Technical Committee.
DL / T 5056 -.2007
Explanation.
This standard was drafted. Northwest Electric Power Design Institute.
The main drafters of this standard. Zhang Yuming, Wang Yongzi, Lang Xuhai, Dong Ming, Zhao Jie,
Lu Jie, Liang Wei, Wang Weijun.
This standard was first published on August 26,.1996. This is the first revision.
The opinions and suggestions of this standard during the implementation process are fed back to the China Power Enterprise Association.
Standardization Center (No. 1, No. 1, Baiguang Road, Beijing, 100761).
DL / T 5056 -.2007
1 Scope
This standard specifies the basic technical requirements for the general layout design of the substation.
This standard applies to new or expanded substations with voltage levels from 110kV to 750kV.
The overall layout design. Substation and rebuilt substation with voltage level above 750kV
And the general layout design of the converter station can be referred to.
DL / T 5056 -.2007
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard.
For all dated references, all subsequent amendments (not including errata)
容) or revisions do not apply to this standard, however, encourage agreement based on this standard
The parties to the discussion examined whether the latest versions of these documents could be used. Where not dated
The referenced document, the latest version of which applies to this standard.
GB 50007 Building Foundation Design Specification
GB 50016 Building Design Fire Code
GB 50187 General Plan for Design of Industrial Enterprises
GB 50201 Flood Control Standard
GB 50229 Fire power plant and substation design fire protection specification
GB 50330 Technical Specifications for Building Slope Engineering
GB J 22 factory mine road design specification
DL/T 5032 Technical specification for general plan transportation design of thermal power plants
DL / T 5056 -.2007
3 General
3.0.1 The general layout design of the substation must fully implement the national basic construction guidelines.
The current national technical and economic policies, unify and clarify the construction standards, and guarantee new (expanded) construction
The substation is safe, reliable, technologically advanced, economical and in line with national conditions.
3.0.2 The general layout design of substation must establish a global concept, in-depth investigation and research,
Rely on technological progress, meticulous design, continuous summing up experience, and actively and cautiously promote domestic and foreign
Advanced technology, adopting mature new materials, new processes and new arrangements according to local conditions
Sustainable development requirements.
3.0.3 The general layout design of the substation shall comply with the Land Administration Law of the People's Republic of China.
Relevant regulations, in line with the national land use policy, adapt to local conditions, save land,
Rational use of land, improve land utilization, make full use of wasteland, inferior land, sloping land, no
Occupy or account for less farmland; the terrain should be used reasonably to reduce the amount of land (stone) and
Demolition of existing facilities and buildings (structures), avoiding or reducing the land acquisition (generation)
Multi-program technical and economic comparison, optimize design, reduce project cost and shorten construction
Cycle and create conditions for civilized construction.
3.0.4 This standard is based on the original GB 50187 "General Plan for Design of Industrial Enterprises"
Then prepare. Substation general layout design in addition to the implementation of this standard, for
Seismic zone, collapsible loess area, expansive soil area, soft soil area, permafrost area,
Substations constructed under special natural conditions such as saline soils should still comply with the current relevant
National and industry standards.
3.0.5 The general layout design of the expansion and reconstruction substation shall be combined with the original general layout,
Vertical layout and equipment layout features make the overall coordination.
DL / T 5056 -.2007
4 Master plan
4.0.1 The overall planning of the substation should be related to local town planning, industrial zone planning, and nature conservation.
The planning of the protected area or the planning of the tourism planning area should be coordinated, and the site should not be built on existing landslides.
In the geological disaster areas such as mudslides, large caves, and mining goafs, the site should not be crushed.
Minerals and cultural relics should avoid mutual interference with military, aviation and communication facilities, outside the station
Transportation should meet the transportation requirements of large equipment, and should make full use of the nearest life, culture and education,
Public facilities such as sanitation, transportation, fire protection, water supply and drainage.
For substations with special topography such as mountains, the overall plan should consider the terrain,
Stability of the mountains, slope excavation, floods and floods. In the presence of flash floods and guilt
In the construction of the area, it is advisable to make full use of the existing flood control and flood prevention facilities in the area.
4.0.2 The overall planning of urban underground (indoor) substations should meet local urban planning
The requirements should avoid mutual interference with neighboring houses, enterprises and facilities.
4.0.3 The overall planning of the substation should be based on the process layout requirements and construction, operation and inspection.
The need for repair and ecological environment protection, combined with the natural conditions of the site, will be planned according to the final scale.
Combined in the near and long term, mainly in the near future. When constructing by stages, it should be based on load development requirements.
Rational planning, land acquisition or land acquisition.
The overall plan should be based on the above principles, for the station area, water source, water supply and drainage facilities,
Station roads, flood control facilities, entrance and exit corridors, terminal towers, station external power supplies and
The surrounding environment will be coordinated and rationally arranged.
4.0.4 When there is a pollution source near the substation, the overall plan should be based on the type and source of the pollution source.
The prevailing winds in the year avoid the adverse effects on the station area.
4.0.5 Substation should have a reliable water source, and the quality of drinking water should be in line with national drinking.
Water sanitation standards. The production wastewater or rainwater and domestic sewage of the substation shall comply with the state or
Local emission standards.
4.0.6 Inbound roads, large-scale equipment transportation, water supply and drainage facilities, and station use for new substations
The supporting facilities such as the power supply and flood control facilities shall be included in the overall plan of the substation.
DL / T 5056 -.2007
5 general layout
5.1 General provisions
5.1.1 The general layout of the substation shall be planned and designed according to the final scale, according to the system.
Load development requirements, it is not appropriate to block the possibility of expansion, and make the overall layout of the station area as far as possible
Regular.
5.1.2 The general layout of the substation should meet the overall planning requirements and make the process cloth in the station
Reasonable, clear functional division, convenient transportation and land use.
5.1.3 The general plan of the station area should be arranged in a near-term construction of the building (structure)
Construction by stages and land conservation. Urban underground (indoor) substation civil works can be the most
Construction at the end of the scale.
5.1.4 The main production and auxiliary (subsidiary) buildings of the substation should be concentrated or jointly arranged.
When combined with the converter station, it can be used according to the nature of the auxiliary (subsidiary) building.
The functional requirements are classified in a centralized or joint arrangement in the station front area.
5.1.5 Under the premise of taking into account the smooth planning of the outlet and the reasonable layout of the process, the substation should
Combine with natural terrain to minimize the amount of soil (stone). When the terrain difference of the station area is higher than
When large, it can be arranged in a stepped manner.
The main production and construction (structure) and equipment support of the mountain substation, when close
When the slope is arranged, the safety distance between the building (structure) and the slope top and the slope foot shall be in accordance with this standard.
Article 6.3.4 is determined.
5.1.6 There should be a difference between the urban underground (indoor) substation and the adjacent buildings outside the station.
Anti-channel. The net width and net height of the fire lane must meet the requirements of GB 50016
The relevant provisions of the Fire Code.
5.1.7 Main control communication building (room), indoor power distribution equipment building (room), large substation structure
Such important building (structure) and GIS combination electrical appliances, main transformers, high voltage reactors,
Large equipment such as capacitors should be placed in a location with uniform soil and reliable foundation.
DL / T 5056 -.2007
5.1.8 Substation located in the expansive soil area, with strict requirements for deformation (construction)
The building should be arranged deep in the expansive soil, with a low level of expansion and contraction or a flat terrain.
The substation in the collapsible loess area, the main building (structure) should be arranged
In areas where the foundation has a low level of collapsibility.
5.1.9 The substation to be expanded or rebuilt should make full use of the original buildings (structures) and facilities.
Minimize demolition and avoid the impact of construction on existing facilities.
5.2 Main building (structure)
5.2.1 The main control communication building (room) should be arranged for the inspection and observation of the operators.
Outdoor equipment, reducing cable length, avoiding the effects of noise and facilitating connection to the entrance gate
Lot.
The main control communication building (room) should have a good orientation and make the main control room convenient at the same time.
Each power distribution unit area was observed.
5.2.2 The power distribution devices of voltages at all levels shall be combined with the terrain and the corresponding outgoing direction.
Line optimization combines to avoid or reduce line crossover.
The relative position of the power distribution devices should be such that the main transformer and reactive power compensation device
The connecting wires of each power distribution unit are short and short, and the length of the roads and cables in the station is short.
5.2.3 The main transformer of the urban substation should be arranged separately in the outdoor, or placed in the building
The bottom of the object.
5.2.4 The relay chambers of voltages at all levels shall be reasonably arranged according to the process requirements and the cables shall be
The laying path is short and easy to patrol.
5.3 Auxiliary (affiliated) buildings
5.3.1 Substation auxiliary (affiliated) buildings shall be arranged according to process requirements and use
Functional unified planning. It is advisable to combine joint or multi-storey buildings with engineering conditions.
5.3.2 When using electric boiler heating, the electric boiler room should be placed at the bottom of the main control communication building.
Or separate places where the heating buildings are concentrated.
5.3.3 The shower valve chamber or the foam fire-fighting equipment room should be arranged in the main transformer, reactor, etc.
Near the oil equipment.
DL / T 5056 -.2007
5.3.4 When setting up the diesel generator room, its arrangement should avoid noise to the main control communication building.
Sound and vibration effects, as close as possible to the station with AC and DC power distribution room layout.
5.3.5 Substation water supply and drainage facilities should be arranged separately, and the minimum clearance should meet the current country.
The relevant provisions of the family standard.
5.3.6 Substation water supply construction (structure), such as deep well pump house, living fire pump house,
The reservoirs, etc., should be arranged in the front station area according to the process flow.
5.3.7 Buried domestic sewage treatment equipment should be placed near the main control communication building
Concealed side, or placed at the edge of the station front area.
5.3.8 When the station area adopts strong drainage, the rain pump room should be arranged at the lower part of the station area.
Edge zone.
5.4 Fences, fences and main entrance
5.4.1 Substation wall type should be based on site location, urban planning and environmental requirements, etc.
The factors are comprehensively determined.
Substations should adopt a physical wall of not less than 2.3m high, which can be appropriately lowered in the filling area.
Low-wall height, urban substation or substation with requirements for the environment of the station area can use flowers
A fence or other decorative wall.
5.4.2 The fence of the station area should be based on the principle of saving land and facilitating safety and security.
The surrounding area of the station area with complex terrain or mountain substation should be combined with the topography.
5.4.3 The solid wall of the station area shall be provided with expansion joints, and the spacing of the expansion joints shall not be greater than 30m. in
Settlement joints shall be provided at the height of the wall and the change of geological conditions.
5.4.4 According to the layout and requirements of electrical equipment, fences shall be placed around the equipment as needed.
5.4.5 The main entrance of the substation should be oriented to the main roads in the local area, which is convenient for guiding the entrance roads.
road. The main entrance orientation and treatment requirements of urban substations should be related to urban planning and streetscape.
coordination.
5.4.6 The main entrance of the substation, the wall on both sides of the gate, the marking wall, the police room (such as
If any, it can be properly artistically processed and coordinated with the buildings in the station area.
5.4.7 Light gates should be used for the gates of the station area. The door width should meet the requirements of large equipment in the station.
Transportation requirements, the height of the gate should not be less than 1.5m.
DL / T 5056 -.2007
5.5 Construction (structure) spacing
5.5.1 Fire hazard classification and fire resistance rating of substation buildings (structures)
Meet the provisions of Table 5.5.1.
Table 5.5.1 Fire hazard classification and fire resistance rating of buildings (structures)
No. Construction (structure) building name fire hazard classification fire resistance rating
1 main control communication building (room)
2 relay room
3 cable interlayer C secondary
power distribution
Installation building
(room)
Each equipment has a fuel filling capacity of 60kg or more.
Each equipment is filled with oil of 60kg and below
Oil-free electrical equipment
outdoor
power distribution
Device
Each equipment has a fuel filling capacity of 60kg or more.
Each equipment is filled with oil of 60kg and below
Oil-free electrical equipment
6 Oil-immersed transformer room C
7 gas or dry transformer room Ding 2
8 capacitor chamber (with flammable medium)
9 dry capacitor room Ding two
10 oil immersion reactor room C two
11 dry iron core reactor room Ding two
DL / T 5056 -.2007
Table 5.5.1 (continued)
No. Construction (structure) building name fire hazard classification fire resistance rating
12 accident oil pool C level
13 Living, fire pump room (water supply equipment room)
14 Rain valve room, foam fire equipment room
15 sewage, rainwater pump room
16 electric boiler room Ding two
17 Safety and maintenance equipment between the two
18 diesel generator room C two
19 police room (separate setting)
20 cable tunnel C secondary
Note 1. In addition to the building (structure) specified in this table, the fire hazard and fire resistance rating of other buildings (structures) shall be
Relevant provisions of GB 50016 "Code for Fire Protection of Building Design".
Note 2. Fire control hazard when the main control communication building and relay room are not taken to prevent the fire after the cable is fired.
Should be Class C.
Note 3. Local substation and urban indoor substation are arranged in a building with different power distribution parts for use.
When it is in a building or a joint building, the fire hazard classification of its building and its fire rating are not included in the fire barrier.
In addition to the measures, it must be selected according to the fire hazard category.
Note 4. When the cable interlayer is made of Class A flame-retardant cable, the fire hazard may be Class E.
5.5.2 The fire separation distance of each building (structure) and equipment in the substation shall not be less than
The provisions of 5.5.2.
DL / T 5056 -.2007
DL / T 5056 -.2007
1H
2H
3H
5m
4H
5m
3m
3m
5m
0.
9h
5H
6H
6m
DL / T 5056 -.2007
6 vertical arrangement
6.1 General requirements
6.1.1 The substation site area design elevation should be based on the substation voltage level
determine.
220kV hub substation and substation with voltage level above 220kV, station a...
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