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DLT5218-2012

Chinese Standard: 'DLT5218-2012'
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DL/T 5218-2012English830 Add to Cart 0--15 minutes. Auto immediate delivery. Technical code for the design of 220kV~750kV substation Valid DL/T 5218-2012
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DL/T 5218-2012
POWER INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.240
P 62
Registration number: J1459-2012
P DL/T 5218-2012
Replacing DL/T 5218-2005
Technical code for the design of
220kV ~ 750kV substation
220kV ~ 750kV变电站设计技术规程
ISSUED ON: AUGUST 23, 2012
IMPLEMENTED ON: DECEMBER 01, 2012
Issued by: National Energy Administration
Table of Contents
Foreword ... 7 
1 General provisions ... 9 
2 Terms ... 10 
3 Selection of the substation location ... 12 
4 General plan & layout of the substation ... 14 
4.1 Plan of the substation ... 14 
4.2 General layout ... 14 
4.3 Vertical arrangement ... 18 
4.4 Trench layout ... 20 
4.5 Road ... 21 
4.6 Site treatment ... 22 
4.7 Fence and gate ... 22 
5 Primary electrical ... 24 
5.1 Electrical circuit connection ... 24 
5.2 Main transformer ... 26 
5.3 Electrical installation ... 27 
5.4 Reactive power compensation ... 29 
5.5 Overvoltage protection & insulation coordination, grounding ... 29 
5.6 AC station service ... 29 
5.7 Lighting ... 30 
5.8 Selection & laying of the cable ... 30 
5.9 Auxiliary facilities ... 31 
6 System and secondary electrical ... 32 
6.1 Relaying protection and automatic device ... 32 
6.2 Dispatch automation ... 32 
6.3 Communication ... 33 
6.4 Monitoring & control system and electrical secondary wiring ... 34 
6.5 DC power system and uninterruptible power supply (UPS) ... 35 
6.6 Arrangement of control room & relay room ... 35 
6.7 Safety video monitoring system ... 36 
7 Civil works ... 37 
7.1 General requirement ... 37 
7.2 Loads ... 37 
7.3 Buildings ... 40 
7.4 Structures ... 41 
8 Heating, ventilation and air conditioning ... 45 
8.1 Heating ... 45 
8.2 Ventilation ... 45 
8.3 Air conditioning ... 46 
9 Water supply and drainage ... 47 
10 Fire protection ... 48 
10.1 General requirement ... 48 
10.2 Firefighting facilities ... 48 
10.3 Fire detection and fire alarm ... 49 
11 Environmental protection ... 50 
11.1 General requirement ... 50 
11.2 Control of electromagnetic radiation ... 50 
11.3 Control of noise ... 50 
11.4 Treatment of waste water ... 51 
11.5 Water-soil conservation and ecological environment protection ... 51 
12 Labor safety and occupational health ... 53 
12.1 General requirement ... 53 
12.2 Labor safety ... 53 
12.3 Occupational health ... 54 
13 Energy saving ... 56 
13.1 General requirement ... 56 
13.2 Electrical energy saving ... 56 
13.3 Building and thermal energy saving ... 56 
13.4 Heating, ventilation and air condition energy saving ... 57 
13.5 Water saving ... 58 
Explanations of wording in this standard ... 59 
List of quoted standards ... 60 
Technical code for the design of
220kV ~ 750kV substation
1 General provisions
1.0.1 In order to meet the needs of national and industry standardization
construction, reach a unified standard technical principle for design of
substation, allow the design of substation to meet the relevant national policies,
laws, regulations, reach the requirements of safety and reliability, advanced and
applicability, energy saving and environmentally friendly, it hereby develops this
standard.
1.0.2 This standard is applicable to the design of the newly built, reconstructed,
extended work of substation (switchyard) which has an AC voltage of 220kV ~
750kV.
1.0.3 Substation design shall be combined with engineering features, actively
and deliberately adopt new technologies, new device, new materials, new
processes with application conditions.
1.0.4 In addition to the implementation of this standard, the design of substation
shall also comply with the relevant national standards.
2 Terms
2.0.1
Substation
Part of the power system, which is concentrated in a defined location,
including terminals, switches and control device, buildings and transformers
for power transmission or distribution. It usually includes the facilities (such
as protective devices) required for the safety and control of power system.
2.0.2
Uninterruptible power supply
The power supply which consists of a battery pack, an inverter, other circuits,
that provides AC power when the power grid is out of power.
2.0.3
Substation automation system
A computer application system that implements functions such as
information collection, processing, monitorin......
Related standard:   DL/T 5216-2017  DL/T 5221-2016
   
 
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