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GB/T 35729-2017: Code of practice for maintenance and test of digital electro-hydraulic control system of steam turbine in fossil fuel power plant
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 35729-2017 | English | 199 |
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Code of practice for maintenance and test of digital electro-hydraulic control system of steam turbine in fossil fuel power plant
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GB/T 35729-2017
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Basic data | Standard ID | GB/T 35729-2017 (GB/T35729-2017) | | Description (Translated English) | Code of practice for maintenance and test of digital electro-hydraulic control system of steam turbine in fossil fuel power plant | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F23 | | Classification of International Standard | 27.100 | | Word Count Estimation | 10,123 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Standards Bulletin 2017 No. 32 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 35729-2017: Code of practice for maintenance and test of digital electro-hydraulic control system of steam turbine in fossil fuel power plant
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Code of practice for maintenance and test of digital electro-hydraulic control system of steam turbine in fossil fuel power plant
ICS 27.100
F23
National Standards of People's Republic of China
Thermal power plant steam turbine digital electro - hydraulic control system
Operation, maintenance and test technical regulations
2017-12-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 overhaul 2
4.1 Preparation before maintenance 2
4.2 blackout maintenance 2
4.3 after power overhaul 3
5 Test 4
5.1 before starting the static test and technical requirements 4
5.2 start-up phase of dynamic test and technical requirements 5
6 operation and maintenance 7
6.1 Routine Maintenance 7
6.2 regular maintenance and testing 7
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the China Electricity Council.
This standard by the National Power Station Process Monitoring and Information Standardization Technical Committee (SAC/TC376) centralized.
This standard was drafted unit. Zhejiang Datang Usha power generation limited liability company, State Grid Zhejiang Electric Power Company Electric Power Research Institute, Nanjing
Section far from Automation Co., Ltd. Zhejiang Zhejiang Wenzhou Power Generation Co., Ltd., Zhejiang Energy Group Co., Ltd., Zhejiang, Zhejiang Wah Energy
Co., Ltd., Inner Mongolia Datang International Tuoketuo Power Generation Co., Ltd., Shenhua Zhejiang Guohua Zheneng Power Generation Co., Ltd.
The main drafters of this standard.Wang De warehouse, Wang Huiqin, Zhang Bao, Liu Yucheng, Luo Xingyu, Feng Bo, Ding Junhong, Fan Haidong, Yu Gang, Gu Zhenghao,
Chen Lei, Bao Jianhan, Cheng Baoqing, Wang Hui.
Thermal power plant steam turbine digital electro - hydraulic control system
Operation, maintenance and test technical regulations
1 Scope
This standard specifies the thermal power plant steam turbine digital electro-hydraulic control system (DEH) overhaul, test and operation of the content, methods and
Technical requirements should be met.
This standard applies to thermal power plant in-service units using distributed control system (DCS) consisting of DEH. Other types of steam turbine electricity
Hydraulic control system can also refer to the implementation.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies 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 unit primary frequency performance test and acceptance guidelines
DL/T 656 Thermal Power Plant Turbine Control System Acceptance Test Procedures
Test guideline for steam turbine governing system
Thermal power plant thermal industrial automation system maintenance operation and maintenance of technical regulations
DL/T 1270 Thermal Power Generation Project Load Rejection Test Guideline 711
3 Terms and definitions
GB/T 26863-2011 defined and the following terms and definitions apply to this document. For ease of use, the following list is repeated
GB/T 26863-2011 some of the terms and definitions.
3.1
Unequal speed droop
Steam turbine control system static characteristic curve slope. Usually the corresponding empty load and full load speed difference and rated speed ratio
Percentage to indicate.
[GB/T 26863-2011, Definition 6.29.4.15]
3.2
Primary frequency control primarycontrolofthespeedofgeneratingsets; primaryfrequencycontrol; PFC
Each prime mover governor to adjust the speed of each generator, so that the drive torque varies with the system frequency.
[GB/T 26863-2011, Definition 6.29.1.5]
3.3
Intake mode conversion FA/PAtransfer
According to the operating mode (constant pressure, sliding pressure) and load changes in the request, change the steam turbine control valve opening mode, so that the turbine throttle
Section (full steaming) or nozzle adjustment (partial steaming).
[GB/T 26863-2011, Definition 6.29.4.12]
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