GB/T 35731-2017Code of practice for maintenance and test of distributed control system in fossil fuel power plant (English PDF)
火力发电厂分散控制系统运行维护与试验技术规程
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35731-2017 is the English-translated version of 火力发电厂分散控制系统运行维护与试验技术规程.
GB/T 35731-2017 is the Chinese standard "Code of practice for maintenance and test of distributed control system in fossil fuel power plant".
Its scope clause reads: This standard specifies the thermal power plant distributed control system (DCS) operation and maintenance, repair and test the content, methods and technical management Technical requirements.
This standard applies to thermal power plant in-service unit decentralized control system operation and maintenance, repair and test work. Other types of generators Plant decentralized control system related work may refer to the implementation. Its clauses include terms and definitions.
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Document preview — GB/T 35731-2017
National Standard of the People's Republic of China
- ICS
- 27.100
- Classification
- F 23
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General
- 5 overhaul
- 5.1 Maintenance cycle and maintenance items
- 5.2 Preparation before maintenance
- 5.3 Unit shutdown before work
- 5.4 DCS shutdown procedures
- 5.5 DCS outage after maintenance
- 5.6 Equipment Power Transmission and Inspection
- 6 Test
- 6.1 General requirements
- 6.2 DCS test
- 6.3 Data Acquisition Function Test
- 6.4 analog control function test
- 6.5 chain protection and switch control system test
- 6.6 Acceptance
- 7 operation and maintenance
- 7.1 hardware operation and maintenance
- 7.2 monitoring function operation and maintenance
- 8.1 General Requirements
- 8.2 Safety Management
- 8.3 Maintenance Management
- 8.4 Technical Information Management
- Appendix A (informative) thermal control equipment grading maintenance project
1 Scope
This standard specifies the thermal power plant distributed control system (DCS) operation and maintenance, repair and test the content, methods and technical management
Technical requirements.
This standard applies to thermal power plant in-service unit decentralized control system operation and maintenance, repair and test work. Other types of generators
Plant decentralized control system related work may refer to the implementation.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated versions apply to this document.
For undated references, the latest edition (including all amendments) applies to this document.
Thermal power station monitoring system terminology
GB/T 30370 thermal power generation unit FM test and performance acceptance rules
Guidance on acceptance of decentralized control systems for thermal power plants GB/T 30372-2013
Technical Guidelines for Reliability Assessment of Thermal Power Automation Systems in Thermal Power Plants
DL/T 657 thermal power plant analog control system acceptance test procedures
Thermal power plant thermal power automation system maintenance operation and maintenance procedures
Equipment maintenance guideline for power generation enterprises DL/T 838-2003
Thermal power plant decentralized control system technical conditions
DL/T 1210 thermal power plant automatic generation control performance test acceptance rules
DL/T 1340 Thermal Power Plant Distributed Control System Emergency Response Guidelines
3 Terms and definitions
GB/T 26863 defined and the following terms and definitions apply to this document.
3.1 Importance classification
In the prescribed conditions and the provisions of the time interval, according to the failure of the thermal power plant safety, economic, environmental protection and continuous operation
The degree of state, the control system and equipment are classified.
3.1.1 Class A control system
Unit from the start, and the grid, normal operation to stop the entire process, involving safety, economy, environmental protection and other important performance indicators and should be continuous investment
Into the operation of the control system.
3.1.2 B class control system
Unit in continuous operation, intermittent (intermittent time does not exceed 12h) continuous operation of the control system.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
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