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DL/T 1051-2019: Guide for technology supervision in electrical power system
Status: Valid DL/T 1051: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DL/T 1051-2019 | English | 149 |
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Guide for technology supervision in electrical power system
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DL/T 1051-2019
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| DL/T 1051-2007 | English | 319 |
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Guide for technology supervision in electrical power system
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DL/T 1051-2007
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PDF similar to DL/T 1051-2019
Basic data | Standard ID | DL/T 1051-2019 (DL/T1051-2019) | | Description (Translated English) | Guide for technology supervision in electrical power system | | Sector / Industry | Electricity & Power Industry Standard (Recommended) | | Classification of Chinese Standard | F20 | | Classification of International Standard | 27.100 | | Word Count Estimation | 6,653 | | Date of Issue | 2019 | | Date of Implementation | 2019-10-01 | | Issuing agency(ies) | National Energy Administration | DL/T 1051-2019: Guide for technology supervision in electrical power system---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.
Guide for technology supervision in electrical power system
ICS 27.100
F 20
People's Republic of China Electric Power Industry Standard
Replace DL/T 1051-2007
Electric Power Technology Supervision Guidelines
Refractory materials for boilers in thermal power plants
Refractory materials for boilers in thermal power plants
2019-06-04 released
2019-10-01 implementation
Issued by National Energy Administration
Table of contents
Foreword...II
1 Scope...1
2 Terms and definitions...1
3 General...1
4 The main content of electric power technology supervision...1
5 Power Technology Supervision and Management...3
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Guidelines for Standardization Work Part 1.Standard Structure and Compilation".
This standard replaces DL/T 1051-2007 "Guidelines for Electric Power Technology Supervision." Compared with DL/T 1051-2007, the main technical changes such as
under.
- The main content of electric power technology supervision has been revised;
-Modified the power technical supervision responsibilities;
--Modified the power technology supervision and management;
This standard was proposed and managed by the China Electricity Council.
Drafting organization of this standard. State Grid Hubei Electric Power Co., Ltd. Electric Power Research Institute
The main drafters of this standard.
The opinions or suggestions during the implementation of this standard are fed back to the Standardization Management Center of China Electricity Council (Baiguang, Xuanwu District, Beijing)
Lu Er Tiao No. 1, 100761).
Electric Power Technology Supervision Guidelines
1 Scope
This standard specifies the main content and management requirements of power technical supervision.
This standard applies to the technical supervision of the whole process of power construction and production.
2 Terms and definitions
The following terms and definitions apply to this standard.
2.1
Power technology supervision
In the whole process of power engineering construction and production and operation, check the implementation of relevant technical standards;
Facility and system safety, quality, environmental protection, and economic operation related important parameters and performance indicators are tested and evaluated.
3 General
3.1 Power technical supervision shall be managed at different levels, and technical supervision organizations shall be established to clarify the responsibilities of supervision at all levels.
3.2 Electric power technology supervision should be centered on safety and quality, based on technical standards, and testing and inspection as the main means.
Combine the application of new technologies, new equipment, and new processes to carry out work dynamically.
3.3 Electric power technology supervision shall cover the planning and design, construction, production and operation, and decommissioning of power generation, transmission, distribution and use of electricity
The whole process of scrapping.
3.4 Power technical supervision mainly focuses on power quality, insulation, electrical testing, relay protection and safety of power equipment and systems.
Fully automatic equipment, dispatch automation, excitation, chemistry, thermal engineering, metal, energy saving, environmental protection and other professional supervision and boilers, gas turbines
And other equipment supervision, and conduct investigation and analysis of related professional accidents related to power generation companies, grid companies, and power users, and urge professional
The formulation and implementation of accident prevention and control measures. Electric power companies can carry out corresponding supervision work according to their actual conditions and determine internal
Content and scope.
3.5 Power generation companies, power grid companies and power users should carry out electrical technology supervision in accordance with national and industry standards, and power users should provide
Power grid companies and power generation companies carry out relevant technical supervision work.
4 Main content of electric power technical supervision
4.1 Professional supervision
4.1.1 Power quality supervision
Power system frequency deviation, voltage deviation, harmonics and inter-harmonics, voltage fluctuations and flicker, three-phase voltage unbalance, electricity
Pressure dips and short-term interruptions, etc.
4.1.2 Insulation supervision
High-voltage electrical equipment insulation status, pollution status, grounding device status, overvoltage protection, etc.
4.1.3 Electrical test supervision
All kinds of indicating instruments, measuring instruments, portable instruments, electrical measurement and measurement standard devices, standards, electrical measurement and measurement interaction
Sensors and secondary circuits, recording instruments, electrical energy information collection information systems, etc.
4.1.4 Supervision of relay protection
Relay protection devices and safety automatic installations for generators, motors, transformers, switches, buses, transmission lines, etc.
Sets and related secondary circuits, channel equipment and circuits for remote signal transmission of relay protection.
4.1.5 Dispatching automation supervision
Plant station automation monitoring system, remote control unit (RTU), dispatch production management system, real-time power transmission and network management
Management system, power secondary system safety protection system and related equipment, etc.
4.1.6 Excitation supervision
Generator excitation system design and selection, installation, testing, handover and acceptance, operation overhaul and equipment management, etc.
4.1.7 Metal supervision
Metal material, welding quality, main steam pipe and reheat steam pipe, heating surface pipe, boiler drum, header and water supply pipe
Road, turbine generator rotor, high temperature bolts, large castings, etc.
4.1.8 Chemical supervision
Water vapor chemistry, unit startup, shutdown and overhaul, fuel quality, oil quality, gas quality, etc.
4.1.9 Thermal supervision
Thermal instrument and equipment, thermal control system, design, installation and commissioning phase, trial production phase, operation and maintenance phase,
Value transfer, etc.
4.1.10 Energy conservation supervision
The importance of power equipment or facilities related to energy consumption in planning, design and manufacturing, construction, operation, maintenance and technological transformation
Performance, parameters, indicators and energy saving management, etc.
4.1.11 Environmental Supervision
Noise, power frequency electromagnetic field, sulfur hexafluoride gas, waste water, waste oil, power generation, transmission, distribution and electrical equipment and systems
Solid waste; air pollutants such as smoke, sulfur dioxide, nitrogen oxides, and environmental protection facilities, etc.
4.2 Equipment and facility supervision
4.2.1 Performance supervision of electrical equipment
Generators, transformers, transformers, switchgear, lightning arresters, HVDC converter equipment, thyristors and other electrical
Equipment and related online monitoring devices, secondary circuits, etc. that are matched with the above-mentioned electrical equipment.
4.2.2 Steam (water) turbine supervision
Shaft vibration, blades, regulation and security system, thermal system, water turbine control system and hydraulic equipment, water turbine automation
Wait.
4.2.3 Boiler supervision
The boiler body and its accessories, the heating surface of the boiler tail (including the exhaust heat recovery and utilization system), the boiler fan and the wind and smoke system
System, coal mill, pulverizing and combustion system, ash removal system, etc.
4.2.4 Gas turbine supervision
Shaft vibration, gas turbine body (including compressor, combustion chamber, turbine), fuel supply and processing system, gas turbine
Machine auxiliary system (including intake and exhaust system, fuel control module, lubricating oil system, hydraulic oil system, cleaning system, cooling
And sealed air system, ventilation and heating system, water/steam system, hazardous gas detection and fire protection system, cranking
And start the system, etc.) and so on.
4.2.5 Wind Turbine Supervision
The key of wind turbine system, transmission system, hydraulic system, braking system, yaw system, control system, etc.
Systems and components; blades, hubs, pitch systems and lightning protection grounding systems in the wind turbine system of wind turbines.
4.2.6 Building (structure) supervision
Hydropower station hydraulic structures and near-dam reservoir banks, hydraulic metal structures, etc.; thermal power plant ash dams, water diversion (drainage) facilities; power transmission lines
Power distribution equipment for roads, substations, power distribution equipment, power plants or important power users; various electrical equipment foundations, control downstairs
Ministry structure, superstructure, other auxiliary and auxiliary building structure and foundation; line structure and foundation in station, cable trench, tunnel
Roads, roads in the station, water supply and drainage facilities, foundation treatment, line towers and foundations.
5 Power technology supervision and management
5.1 Before starting electric power supervision work, a technical supervision organization system should be established under the responsibility of the head of the enterprise to improve technical supervision
Work system and process, implement the responsibility system for technical supervision posts.
5.2 The electrical technical supervision shall be equipped with necessary inspection and measurement equipment and meters, and shall be inspected, submitted for inspection and value transmission according to regulations.
Pass.
5.3 Electric power technical supervision shall formulate an annual supervision work plan, including annual work requirements and work content, and the responsible unit in time
Inter-node and other aspects. Regular technical supervision work meetings should be organized to coordinate and solve specific problems in supervision work.
5.4 Electric power technology supervisors shall, in accordance with the newly promulgated national and industry standards and equipment technical requirements, provide
To evaluate the effectiveness and accuracy of relevant technical standards.
5.5 Electric power technology supervisors should have corresponding professional abilities and skills, and each unit should regularly organize and carry out special training
Made.
5.6 Power technical supervision should summarize the quarterly (annual) supervision work in the form of a report. The report should include the main supervision work
Work completion status, existing problems and improvement measures, and ideas for the next step.
5.7 Electric power technical supervision shall promptly release the technical supervision work advance (notice) warning sheet in response to the problems found, and track the implementation of rectification and improvement.
The real situation.
5.8 The problems found in the process of power technical supervision should be included or supplemented in the annual supervision work plan, and related problems should be supervised
The implementation of rectification.
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