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DLT5149-2001

Chinese Standard: 'DLT5149-2001'
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DL/T 5149-2001
POWER INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 27.100
P 62
Filing No.: J152-2002
P DL/T 5149-2001
Technical code for designing computerized
monitoring and control system of 220~500kV
substations
200~500kV变电所计算机监控系统设计技术规程
ISSUED ON: DECEMBER 26, 2001
IMPLEMENTED ON: MAY 1, 2002
Issued by: National Economic and Trade Commission of the People’s
Republic of China
Table of Contents
Foreword ... 5 
1 Scope of application ... 7 
2 Normative references ... 8 
3 General ... 9 
4 Main terms ... 10 
5 System composition ... 12 
5.1 System structure ... 12 
5.2 Network structure ... 12 
5.3 Hardware equipment ... 13 
5.4 Software system ... 14 
5.5 Technical indicator ... 15 
6 System functions ... 18 
6.1 Data acquisition and processing ... 18 
6.2 Database establishment and maintenance ... 18 
6.3 Control operation ... 19 
6.4 Anti-mislocking ... 20 
6.5 Synchronizing ... 20 
6.6 Alarm processing ... 21 
6.7 Event sequence recording and accident recall ... 21 
6.8 Screen generation and display ... 22 
6.9 Online calculation and tabulation ... 22 
6.10 Electric energy processing ... 23 
6.11 Telecontrol function ... 23 
6.12 Clock synchronization ... 23 
6.13 Man-machine interaction ... 24 
6.14 System self-diagnosis and self-recovery ... 25 
6.15 Interface with other devices ... 25 
6.16 Operation management ... 26 
7 Signal input/output ... 27 
7.1 Analog input signal ... 27 
7.2 On-off input signal... 27 
7.3 Electrical energy data input signal ... 27 
7.4 On-off output signal... 28 
8 Equipment layout ... 29 
8.1 Layout of station level equipment ... 29 
8.2 Layout of bay level equipment ... 29 
8.3 Screen cabinet structure and screen layout ... 29 
9 Venue and environment ... 30 
10 Power supply ... 31 
11 Lightning protection and grounding ... 32 
12 Cable selection and laying ... 34 
Appendix A (Indicative) Description of the words in this Code ... 35 
Appendix B (Indicative) Analog signal ... 36 
Appendix C (Indicative) Main on-off input signals ... 43 
Appendix D (Indicative) Electrical energy signal acquisition parameters ... 45 
Appendix E (Indicative) On-off output signals ... 47 
1 Scope of application
This Code is applicable to the design of computerized monitoring and control
system for the newly built 220kV hub substations and 500kV (330kV)
substations. Expansion and reconstruction projects of the same voltage
grade may be carried out with reference.
2 Normative references
The following standards include provisions that constitute provisions of this
Code by reference in this Code. At the time of publication of this Standard, the
editions indicated are valid. All standards are subject to revision. Parties to
this Standard shall explore the possibility of using the latest editions of the
following standards.
GB/T 50217-1994 Code for design of cables electric work
GB/T 17626-1998 Electromagnetic compatibility – Testing and
measurement techniques
DL/T 630-1997 Technical requirement for RTU with a.c. electrical
quantities input, discrete sampling
DL/T 634-1997 Telecontrol equipment and systems – Part 5: Transmission
protocols – Section 101 Companion standard for basic telecontrol tasks
DL/T 667-1999 Telecontrol equipment and systems – Part 5: Transmission
protocol – Section 103 Companion standard for the information interface of
protection equipment
DL/T 719-2000 Telecontrol equipment and systems – Part 5: Transmission
protocol – Section 102 Companion standard for the transmission of
integrated totals in electric power systems
DL 5002-1991 Specifications for the design of dispatching automation in
district electric power systems
DL 5003-1991 Specifications for the design of dispatching automation in
electric power systems
DL/T 5136-2001 Technical code for designing of electrical secondary
wiring in fossil fuel power plants and substations
DL/T 5137-2001 Technical code for designing electrical measuring and
energy metering device
SDJ 2-1988 Technical code for designing 220~500kV substations
3 General
3.0.1 This Code is specific design regulations for 500kV (330kV)
substations and 220kV hub substations using the computerized monitoring
and control system, and is supplementary regulations for implementing the
relevant provisions of Technical code for designing 220~500kV substations
and Technica......
Related standard:   DL/T 5143-2018  DL/T 5155-2016
   
 
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