1 General
1.0.1 To ensure the quality of photovoltaic power generation projects and to guide and standardize the acceptance of photovoltaic power generation projects, this specification is formulated.
1.0.2 This specification is applicable to the acceptance of new construction, reconstruction and expansion projects of ground and rooftop photovoltaic power generation connected to the grid through voltage classes of 380V and above. It does not apply to the integration of building and photovoltaic and household photovoltaic power generation projects.
1.0.3 Photovoltaic power generation project shall pass the four-phase comprehensive inspection and acceptance of unit project, project start-up, project commissioning and transfer production, and project completion.
1.0.4 Acceptance at each stage shall be based on the requirements to establish a corresponding acceptance organization, and determine the acceptance of the host unit.
1.0.5 Acceptance of photovoltaic power generation projects, in addition to the implementation of this specification, should still comply with the relevant national standards.
2 Terms
2.0.1 Photovoltaic Power Project photovoltaic power project
Refers to the use of photovoltaic modules to convert solar energy into electrical energy, and has an electrical connection to the public power grid of the engineering entity, consisting of photovoltaic components, inverters, lines and other electrical equipment, monitoring systems and building (structure) components.
2.0.2 photovoltaic power station photovoltaic power station
Refers to the use of photovoltaic modules to convert solar energy into electrical energy and transmit power to the public power grid in accordance with the instructions of the grid dispatching department. It consists of photovoltaic equipment, inverters, lines, switches, transformers, reactive power compensation equipment and other primary equipment and relay protection. Station monitoring, scheduling automation, communications and other secondary equipment.
2.0.3 Photovoltaic power unit photovoltaic power unit
In PV power plants, a certain number of PV module strings are collected by multiple DC DC bus boxes and boosted by an inverter inverter and an isolation booster transformer to a power source that meets the grid frequency and voltage requirements. This set of a certain number of photovoltaic module strings is called a photovoltaic power generation unit.
2.0.4 quality of appearance
Observe and measure necessary to reflect the external quality of the project.
2.0.5 plant engineering
A plant cultivation project consisting of trees, flowers, lawns, and ground covers.
2.0.6 Security and protection engineering
For the purpose of ensuring the safety of PV power plants and preventing major accidents, comprehensive use of safety precautions and other scientific technologies will create a system with functions (or a combination thereof) such as intrusion prevention, theft prevention, robbery prevention, vandal protection, and explosion proof inspection. The project implemented.
3 Basic regulations
3.0.1 Project acceptance basis should include the following:
1 The current state laws, regulations, rules and technical standards.
2 Regulations of the competent authorities.
3 Approved project project documents and adjustment budget documents.
4 approved design documents, construction drawings and corresponding engineering change documents.
3.0.2 Project Acceptance Projects should include the following main elements:
1 Check if the project is constructed in accordance with the approved design.
2 Check the status of collection, collation and visa filing of quality-related materials in the course of design, construction, equipment manufacturing and installation of completed projects.
3 Check the construction safety management.
4 Check whether the project has the conditions for running or for the next phase of work.
5 Check the investment control of the project and the use of funds.
6 Put forward opinions on the acceptance of the remaining issues.
7 Evaluate and conclude the project construction.
3.0.3 Project acceptance conclusions shall be reviewed and approved by the committee (work group).
3.0.4 When the project has acceptance conditions, it shall be promptly organized and accepted. Works that have not been checked or failed to pass the inspection shall not be delivered or used for follow-up construction. Acceptance work should be linked and should not be repeated.
3.0.5 unit project acceptance should be responsible by the unit project acceptance group; project start acceptance should be responsible for the project start acceptance committee (hereinafter referred to as "initiation committee"); project trial operation and transfer production acceptance should be the project commissioning and transfer of production acceptance The group is responsible for the acceptance of the project completion acceptance by the project completion acceptance committee.
3.0.6 Acceptance data collection and sorting shall be completed and submitted by the relevant units of the project construction in a timely manner as required, and the integrity and normative inspection of the submitted acceptance data shall be conducted.
3.0.7 The acceptance data is divided into the required file information and the required file information.
The relevant units should guarantee the authenticity of the submitted data and bear the corresponding responsibilities. The acceptance data list shall meet the requirements of Appendix A and Appendix B of this specification.
3.0.8 Responsibilities of relevant units in project acceptance shall meet the following requirements:
1 The responsibility of the construction unit should include:
1) Organize or coordinate the management during the acceptance and acceptance of each stage.
2) Participate in inspections and coordination of various stages and professional groups.
3) Coordinating and resolving issues related to contract execution in acceptance.
4) Provide a summary report of project construction.
5) Provide engineering completion reports, project budget implementation reports, project settlement reports, and reports on soil and water conservation and environmental protection program implementation for project completion acceptance.
6) Cooperate with the relevant units to carry out project final accounts and audit work.
2 The duties of the survey and design agency should include:
1) Verification of construction records related to civil works and foundation works.
2) Responsible for handling technical issues in design and responsible for necessary design changes.
3) Responsible for engineering design and quality, and provide design summary report for project acceptance.
3 The responsibility of the construction company should include:
1) Submit complete construction records, test records and construction summary.
2) Collect and submit complete equipment packing data, drawings, etc.
3) Participate in the acceptance of various stages and complete the elimination of defects.
4) Collaborative construction units carry out work on site safety, fire protection, public security, and maintenance prior to unit engineering, start-up, commissioning, and handover to production acceptance.
5) Submit construction materials according to the requirements of project construction management units, transfer spare parts, special tools, instruments and meters.
4 Debugging unit responsibilities should include:
1) Responsible for writing debugging outlines and formulating project startup plans.
2) Check the system condition before system commissioning to ensure that the safety measures meet the requirements of the commissioning program.
3) Conduct technical analysis of the problems found during commissioning and put forward processing opinions.
4) Submit complete equipment installation and commissioning records, commissioning reports, and commissioning summary information after commissioning, and confirm whether or not there are startup conditions.
5 The responsibilities of the supervision unit shall include:
1) Responsible for the acceptance of the sub-items and sub-projects.
2) Evaluate the project quality based on the design documents and relevant acceptance specifications.
3) Supervise and manage the quality, safety and progress of the project.
4) Participate in the discussion of project start-up commissioning plans, measures, plans and procedures, and participate in the quality acceptance and visa of project start-up commissioning projects.
5) Check and confirm the conditions for entering the project, and supervise the construction units to complete the project startup work as required.
6 The responsibility of the production and operation unit should include:
1) Participate in the acceptance phase of project start-up, project commissioning, transfer production, and project completion.
2) Participate in the preparation of the acceptance program and accept the visa.
3) Participate in the audit and start the debugging program.
4) Responsible for printing production operation procedures, systems, system diagrams, record forms, etc.
5) Responsible for preparing various spare parts, spare parts and safety equipment.
6) Responsible for commissioning the equipment already has the naming and number of the dispatch, and the equipment identification is complete and correct, and submit the new equipment commissioning application to the dispatching department.
7 The responsibility of the equipment manufacturer shall include:
1) Responsible for technical services and guidance.
2) Eliminating equipment manufacturing defects in a timely manner and dealing with issues that the manufacturing unit should be responsible for solving.
4 unit project acceptance
4.1 General provisions
4.1.1 Photovoltaic power generation unit engineering shall be divided into five categories: civil engineering, installation engineering, afforestation engineering, safety and prevention engineering, and fire protection engineering.
4.1.2 The unit project consists of a number of sub-projects. The acceptance of the unit project shall be organized by the construction unit and carried out on the basis of the acceptance of the sub-project.
4.1.3 The subdivision project consists of a number of sub-projects. The acceptance of the subdivision project shall be organized by the supervising engineer and be carried out on the basis of the acceptance of the sub-projects.
4.1.4 The acceptance of the sub-project shall be organized by the supervision engineer and carried out on the basis of the inspection and evaluation of the construction unit itself.
4.1.5 The acceptance of a unit project shall meet the following requirements:
1 Quality control data should be complete.
The inspection data related to safety and function of the sub-projects contained in the 2 unit project shall be complete.
3 The results of spot checks of major functional items shall comply with the relevant technical requirements.
4 Acceptance of quality perception should meet the requirements.
4.1.6 The composition and main responsibilities of the unit project acceptance group shall meet the following requirements:
1 unit project acceptance group should be set up by the construction unit, consisting of construction, design, supervision, construction, commissioning and other relevant units responsible person and professional and technical personnel.
The main responsibilities of the 2 unit project acceptance group should include:
1) It shall be responsible for directing and coordinating the inspection and acceptance work of the divisional projects, sub-projects, construction and installation phases, and various specialties.
2) According to the progress of the divisions and sub-projects, related units and relevant professionals shall be established in time to set up corresponding inspection and inspection teams to take charge of the acceptance of sub-divisions and sub-projects.
3) The project construction unit should be informed of the project construction and project quality assessment report.
4) Proposing rectification opinions for the defects found during inspections and supervising the relevant units to make rectification within a time limit.
5) In response to the overall evaluation of the unit project, a “Unit Project Acceptance Opinion†shall be signed in accordance with Appendix C of this Code.
4.1.7 After completion of the unit project, the construction unit shall promptly submit an application for acceptance to the construction unit. The unit project acceptance team shall promptly establish a professional acceptance team for acceptance.
4.1.8 Acceptance of unit work should include the following:
1 It is necessary to check whether the unit works comply with the approved design drawings, design change contact lists and construction technical requirements.
2 The construction records and relevant material certifications, test reports, etc. shall be checked.
3 Check the main process, supervision and inspection records and reports of hidden projects.
4 The image appearance and overall quality should be checked according to the unit project acceptance requirements.
5 Handle handling issues left over from inspections.
6 to deal with the unit project quality assessment.
7 The "Unit Project Acceptance Opinion" should be signed.
4.1.9 The acceptance of the subdivision project shall meet the following requirements:
1 Quality control data should be complete.
2 The results of the safety and function tests and sampling tests of the sub-projects contained in the sub-division project shall comply with the relevant regulations.
3 Acceptance of the perception quality should meet the requirements.
4.2 Civil Engineering
4.2.1 Acceptance of civil works should include the acceptance of sub-projects such as foundations for photovoltaic modules, site and underground facilities, and buildings (structures).
4.2.2 Construction records, hidden construction acceptance documents, quality control, self-inspection records and other relevant information shall be complete and complete.
4.2.3 Acceptance of photovoltaic module support foundations shall meet the following requirements:
1 The acceptance of the concrete (bar) foundation shall comply with the relevant provisions of the current national standard "Code for Acceptance of Construction Quality of Concrete Structures" GB 50204.
The acceptance of the 2 pile foundations shall comply with the relevant provisions of the current national standard “Code for the Acceptance of Construction Quality of Foundations for Buildings†GB 50202.
3 Exposed metal embedded parts (pre-embedded bolts) should be treated with anti-corrosion treatment.
4 The construction of the roof support foundation shall not damage the main structure of the building and shall not damage the waterproof structure of the roof, and the connection with the building load-bearing structure shall be firm and reliable.
5 The axis, elevation, section size and verticality of the foundation of the support and the dimensional deviation of the embedded bolt (embedded part) shall comply with the provisions of the current national standard “Construction Specifications for Photovoltaic Power Plants†GB 50794.
4.2.4 Acceptance of sites and underground facilities shall meet the following requirements:
1 Acceptance of site leveling should meet the design requirements.
2 The acceptance of the road should meet the design requirements.
3 The acceptance of cable trenches should meet the design requirements. There should be no debris in the cable trench, complete cover, plugging and drainage facilities should be intact.
The acceptance of the water supply and drainage facilities in the 4 districts shall meet the design requirements.
4.2.5 Acceptance of sub-projects such as inverter rooms, power distribution rooms, comprehensive buildings, main control buildings, booster stations, and fences (walls) of buildings (structures) shall comply with the current national standard "construction quality Acceptance of unified standards" GB 50300, "Code for acceptance of construction quality of steel structures" GB 50205 and the relevant provisions of the design.
4.3 Installation Project
4.3.1 Acceptance of the installation project shall include the acceptance of the installation of the bracket, installation of photovoltaic modules, installation of the combiner box, installation of the inverter, installation of electrical equipment, installation of lightning protection and grounding, and installation of lines and cables.
4.3.2 The product specification, test records, conformity certificates, installation drawings, spare parts, special tools and its inventory provided by the equipment manufacturer shall be complete.
4.3.3 Equipment sampling records and reports, installation and commissioning records and reports, key process inspections, visa records, quality control, self-inspection records and other information should be complete.
4.3.4 The acceptance of the bracket installation shall meet the following requirements:
1 The acceptance of the fixed bracket installation shall meet the following requirements:
1) The acceptance of the fixed bracket installation shall comply with the relevant provisions of the current national standard "Code for Acceptance of Construction Quality of Steel Structure Works" GB 50205.
2) The fasteners shall be used for the brackets. The fastening points shall be firm, and there shall be no elasticity of the spring washers.
3) The verticality, horizontality and angle deviation of the bracket installation shall comply with the relevant provisions of the current national standard "Construction Specifications for Photovoltaic Power Stations" GB 50794.
4) The deviation of the fixed bracket installation shall comply with the relevant provisions of the current national standard "Guidelines for the construction of photovoltaic power stations" GB 50794.
5) For manual adjustable brackets, the height adjustment action should meet the design requirements.
6) The antiseptic treatment of the fixed stent should meet the design requirements.
7) The metal structure bracket should be reliably connected with the PV array grounding system.
2 The acceptance of the tracking bracket installation shall meet the following requirements:
1) The acceptance of the tracked bracket installation shall comply with the relevant provisions of the current national standard "Code for Acceptance of Construction Quality of Steel Structure Engineering" GB 50205.
2) The fasteners shall be used for the brackets. The fastening points shall be firm and the spring washers shall not be unequal.
3) When the tracking bracket is operated in manual mode, the manual movement shall meet the design requirements.
4) The manual operation of the tracking bracket with limit manual mode should meet the design requirements.
5) The automatic mode action should meet the design requirements.
6) Over-speed protection should meet the design requirements.
7) Pass and power off tests should meet the design requirements.
8) The tracking accuracy should meet the design requirements.
9) The tracking control system should meet the technical requirements.
4.3.5 Acceptance of installation of photovoltaic modules should meet the following requirements:
1 Acceptance of PV installations should meet the following requirements:
1) Installation of PV modules should be carried out according to design drawings. The number and path of connections should be in accordance with the design requirements.
2) The appearance of photovoltaic modules and junction boxes and connectors should not be damaged.
3) The indirect plug-in connection of PV modules should be firm, and the connection lines should be handled neatly and beautifully.
4) The deviation of installation tilt angle of PV modules shall comply with the relevant provisions of the current national standard "Construction Specifications for Photovoltaic Power Plants" GB 50794.
5) The edge difference of PV modules shall comply with the relevant provisions of the current national standard "Construction Specifications for Photovoltaic Power Plants" GB 50794.
6) The insulation resistance of the square array should meet the design requirements.
2 The acceptance of the wiring shall meet the following requirements:
1) The string and parallel connection of PV modules should meet the design requirements.
2) The string identification of PV modules should meet the design requirements.
3) The open-circuit voltage and short-circuit current of PV modules in series shall comply with the relevant provisions of the current national standard "Construction Specifications for Photovoltaic Power Plants" GB 50794.
4.3.6 The acceptance of the installation of the combiner box should meet the following requirements:
1 The installation position of the box should meet the requirements of the design drawings.
2 The identification of the junction box should be complete.
3 The connection between the box and the bracket should be firm.
4 The junction box with metal box should be reliably grounded.
5 The installation height and level should meet the design requirements.
4.3.7 The acceptance of the inverter installation shall meet the following requirements:
1 The appearance and major parts and components of the equipment should not be damaged or damp, and the components should not be loose or lost.
2 The commissioning records and data should be reviewed.
3 The label content of the equipment shall meet the requirements and shall indicate the connection point and polarity of the load.
4 The inverter should be reliably grounded.
5 Insulation protection shall be provided at the AC side interface of the inverter.
6 All insulation and switchgear functions should be normal.
7 The cooling fan should work normally.
8 Inverter ventilation treatment should meet the design requirements.
9 The connection between the inverter and the foundation should be firm and reliable.
10 The acceptance of the suspended installation of the inverter shall also meet the following requirements:
1) The connection between the inverter and the bracket should be firm and reliable.
2) The installation height should meet the design requirements.
3) The level should meet the design requirements.
4.3.8 The acceptance of electrical equipment installation shall meet the following requirements:
1 The acceptance of the installation of transformers and transformers shall comply with the relevant provisions of the current national standard “Code for construction and acceptance of power transformers, oil immersed reactors and transformers for electrical installations†GB 50148.
2 The acceptance of installation of high-voltage electrical equipment shall comply with the relevant provisions of the current national standard "Code for construction and acceptance of high-voltage electrical installations for electrical installations" GB 50147.
3 The acceptance of the installation of low-voltage electrical equipment shall comply with the relevant provisions of the current national standard "Code for Construction and Acceptance of Low-voltage Electrical Installations for Electrical Installations" GB 50254.
The acceptance of the installation of the 4 plates, cabinets and secondary circuit wiring shall comply with the relevant provisions of the current national standard “Construction and Acceptance Criteria for the Connection of Panels, Cabinets and Secondary Circuits for Installation of Electrical Installations†GB 50171.
5 The acceptance of installation of photovoltaic power station monitoring system shall meet the following requirements:
1) The relevant information of the route laying route shall be complete and complete.
2) The specification, model and location of the cable to be laid should meet the design requirements. The cable arrangement should be neat and beautiful, and the outer skin should be free from damage. The cables after tying should be close to each other, and the appearance should be straight and tidy. The distance between the cable ties should be even and moderate.
3) The signal transmission mode of the signal transmission line should match the transmission distance, and the signal transmission quality should meet the design requirements.
4) The signal transmission line and the power cable should be separated and placed reliably.
5) The sensor and transmitter installation locations should truly reflect the measured values ​​and should not be affected by other factors.
6) The monitoring software function should meet the design requirements.
7) The monitoring software should support the standard interface. The communication protocol of the interface should meet the requirements for the establishment of the upper-level monitoring system and the requirements for scheduling.
8) Any failure of the monitoring system should not affect the normal operation of the monitored equipment.
9) Power-on equipment should provide insulation performance test report in accordance with relevant standards.
6 The technical indicators of relay protection and safety automatic devices shall comply with the relevant provisions of the current national standard "Technical Regulations for Relay Protection and Safety Automatic Devices" GB/T 14285.
7 The technical indicators of the dispatching automation system shall comply with the relevant provisions of the current industry standard "Power System Dispatch Automation Design Technical Regulations" DL/T 5003 and the safety protection regulations for secondary power systems.
8 The acceptance of the installation of reactive power compensation devices shall comply with the relevant provisions of the current national standard "Code for Construction and Acceptance of High-voltage Electrical Installations for Electrical Installations" GB 50147.
9 The technical indicators of the dispatching communication system shall comply with the relevant provisions of the current industry standard "Power System Communication Management Regulations" DL/T 544 and "Power System Communication Automatic Switching Network Technical Specifications" DL/T 598.
10 Check the energy metering device installed at the metering point. The metering device configuration shall comply with the relevant provisions of the current industry standard "Technical Management Regulations for Electric Energy Metering Devices" DL/T 448.
4.3.9 Acceptance of lightning protection and grounding installations shall meet the following requirements:
1 Acceptance of PV array overvoltage protection and grounding installation shall meet the following requirements:
1) Acceptance of PV array overvoltage protection and grounding should be based on design requirements.
2) The grounding grid and the material specification and model should meet the design requirements.
3) The connection should be firmly welded and the grounding grid should be designed to meet the design requirements.
4) Grounding grid grounding resistance should meet the design requirements.
2 The acceptance of lightning protection and grounding installation of electrical devices shall comply with the relevant provisions of the current national standard "Code for the Construction and Acceptance of Grounding Devices of Electrical Installation Engineering" GB 50169.
3 The acceptance of the lightning protection and grounding installations of a building shall comply with the relevant provisions of the current national standard "Code for the design of lightning protection of buildings" GB 50057.
4.3.10 Acceptance of line and cable installations shall meet the following requirements:
1 The acceptance of the installation of overhead lines shall comply with the current national standard "Code for Construction and Acceptance of Overhead Power Lines of 35kV and Below for Electrical Installation Engineering" GB 50173 or (Regulations for the Construction and Acceptance of 110-500kV Overhead Power Lines) GB 50233.
2 Acceptance and acceptance of PV array DC cables shall meet the following requirements:
1) DC cable specifications should meet the design requirements.
2) The signs should be fully installed, correct and clear.
3) The fixing, bending radius and relevant distance of the cable shall meet the design requirements.
4) Cable connection joints shall comply with the relevant provisions of the current national standard "Code for construction and acceptance of cable installations for electrical installations" GB 50168.
5) All grounding contacts and grounding electrodes of the DC cable should be in good contact. The grounding resistance should meet the design requirements.
6) Fire protection measures should meet the design requirements.
3 The acceptance of the installation of AC cables shall comply with the relevant provisions of the current national standard "Code for the construction and acceptance of cable installations for electrical installations" GB 50168.
4.4 Greening Project
4.4.1 The design drawings, design changes, construction records, hidden construction acceptance documents, quality control, self-inspection records and other information should be complete.
4.4.2 The greening of the site area and vegetation restoration should meet the design requirements.
4.5 Security Engineering
4.5.1 The design documents and related drawings, construction records, hidden construction acceptance documents, quality control, self-inspection records, and test run reports complying with the current national standard "Safety Prevention Engineering Specifications" GB 50348 shall be complete.
4.5.2 Acceptance of safety precautions The project shall meet the following requirements:
1 The main function and technical performance index of the system should meet the design requirements.
2 The system configuration, including the number, model and installation location of the equipment, should meet the design requirements.
3 Acceptance of installation of engineering equipment, laying of pipelines and concealment works shall comply with the relevant provisions of the current national standard "Safety Protection Engineering Technical Specifications" GB 50348.
4 The alarm system, video security monitoring system, and acceptance of the population control system shall comply with the relevant provisions of the current national standard "Safety Engineering Technology Specifications" GB 50348.
4.6 Fire Engineering
4.6.1 The design documents and related drawings, construction records, hidden construction acceptance documents, quality control, self-inspection records and other information shall be complete and complete.
4.6.2 The design drawings of the fire protection project should have been reviewed by the local fire department.
4.6.3 The acceptance of a fire protection project shall meet the following requirements:
1 Photovoltaic power station fire protection should meet the design requirements.
2 The combustion performance and fire-resistance limit of the building (building) components shall comply with the relevant provisions of the current national standard "Code for the Fire Protection of Building Design" GB 50016.
3 The rooftop photovoltaic power generation project shall meet the fire protection requirements of the building.
4 fire protection measures should meet the design requirements.
5 Fire lanes and safety evacuation measures should meet the design requirements.
6 Photovoltaic power station firefighting water supply, fire extinguishing measures and automatic fire alarms shall meet the design requirements.
7 Fire-fighting equipment should be arranged in accordance with the prescribed variety and quantity.
8 The safety exit sign lights and fire emergency lighting fixtures shall comply with the relevant provisions of the current national standards "Fire safety signs" GB 13495 and "Fire emergency lighting and evacuation indication systems" GB 17945.
5 project start acceptance
5.1 General provisions
5.1.1 After having the project acceptance and acceptance conditions, the construction unit shall promptly submit an application for acceptance to the construction unit.
5.1.2 Multiple similar photovoltaic power generation units can submit applications for acceptance at the same time.
5.1.3 The composition and main responsibilities of the project commissioning and acceptance committee shall include the following contents:
1 The project start-up and acceptance committee shall be established by the construction unit and consist of construction, supervision, commissioning, production, design, relevant departments of the government, power administrative departments and other relevant units. Construction units, equipment manufacturing units and other participating units shall attend the start-up acceptance of the project.
2 The main responsibilities of the project start acceptance committee shall include the following:
1) Organize the construction unit, commissioning unit, supervision unit and quality supervision department to compile the project start-up outline.
2) The start-up preparation of the construction unit should be reviewed and the project start-up outline verified. Fully responsible for the initiation of on-site command and coordination.
3) The organization shall approve the establishment of acceptance groups for all specialties and approve the start-up acceptance plan.
4) The acceptance report of the acceptance team should be reviewed and the problems arising during the start-up process should be dealt with. Organize relevant units to eliminate defects and review them.
5) The overall evaluation of the start-up of the project shall be carried out, and a “Project Start-up Acceptance Appraisal†shall be signed in accordance with Appendix D of this Code.
5.2 Project start acceptance
5.2.1 The preparatory work completed before acceptance of the project should include the following:
1 It shall obtain the approval documents of the relevant government department and the network license documents.
2 It shall be accepted through the grid connection project, including the following:
1) It involves acceptance of the grid safety production management system.
2) Acceptance of electrical main wiring system and field (station) electrical system.
3) Acceptance of relay protection, safety automatic devices, power communication, DC system, photovoltaic power station monitoring system, etc.
4) Secondary system safety protection acceptance.
5) Acceptance of other equipment and systems of power plants that have a direct impact on the safety and stability of the power grid.
After completing the construction of the 3 unit project, it shall have passed the acceptance and submitted the engineering acceptance document.
4 should complete the project self-inspection.
5 commissioning units should be prepared to complete the startup commissioning program and should be demonstrated.
6 The connection between the communication system and the grid dispatching agency should be normal.
7 The power line should have been connected to the grid and passed the impact test.
8 The protection switch should be normal.
9 The protection setting should be correct and correct.
10 The functions of the photovoltaic power station monitoring system should be operating normally.
11 Grid-connected inverters should meet the grid-connected technical requirements.
5.2.2 The main tasks of project start-up and acceptance shall include the following contents:
1 The project construction summary report should be reviewed.
2 The start-up acceptance plan shall be used to check the start-up of photovoltaic power generation projects.
3 Disposal opinions should be made on the defects found in the acceptance.
4 The "project startup acceptance certificate" should be issued.
6 Engineering trial operation and transfer production acceptance
6.1 General provisions
6.1.1 After the project start acceptance is completed and the project has been commissioned and handed over to production acceptance conditions, the construction unit shall promptly submit an application for project acceptance and transfer production acceptance to the construction unit.
6.1.2 The composition and main responsibilities of the project commissioning and transfer production acceptance group shall include the following contents:
1 The project commissioning and transfer production acceptance group shall be established by the construction unit and consist of relevant units such as construction, supervision, commissioning, production operation and design.
2 The main responsibilities of the project commissioning and transfer production acceptance group shall include the following contents:
1) Organize the construction unit, commissioning unit, supervision unit, and production operation unit to compile the project test program outline.
2) The construction unit's trial preparations should be reviewed and the project's trial operation outline verified. It is fully responsible for on-site command and concrete coordination of trial operations.
3) The project should be presided over by the commissioning and transfer of production acceptance.
4) The project should be reviewed for delivery of production conditions, and the relevant units must be ordered to deal with deadlines.
5) The transfer visa application procedures shall be signed and the “Industrial Commissioning and Transfer of Production Acceptance Appraisal Certificate†shall be signed in accordance with Appendix E of this Code.
6.2 Engineering Commissioning and Transfer Production Acceptance
6.2.1 The project commissioning and transfer production acceptance shall meet the following conditions:
1 The photovoltaic power generation unit project and start-up and acceptance shall all have been qualified, and the project commissioning outline shall be approved by trial operation and handed over to the production acceptance group.
2 The power quality at the connection with the public power grid should meet the requirements of the relevant national standards.
3 Equipment and system commissioning should be conducted under conditions of fine weather and solar radiation of not less than 400 W/m2.
4 All safety protection facilities in the production area shall have passed inspection and acceptance.
5 Operational Maintenance and Operational Procedures Management and maintenance documentation should be complete.
6 After the photovoltaic power generation project is commissioned, the fault-free continuous grid-connected operation time from the start of the project shall not be less than the cumulative total of 60 kW·h/m2 of total radiation received by the PV modules.
7 The major equipment (photovoltaic modules, grid-connected inverters and transformers, etc.) of the photovoltaic power generation project shall all be completed and qualified, and the records shall be complete and complete.
8 Production preparation work should have been completed.
9 Operating personnel should obtain qualifications for employment.
6.2.2 The main tasks of the project commissioning and transfer production acceptance shall include the following contents:
1 The summary report of engineering design, construction, equipment commissioning, production preparation, supervision and quality supervision shall be reviewed.
2 It is necessary to check whether the measures for investing in safety protection facilities for project investment trials are perfect.
3 Check whether the monitoring and data acquisition system meets the design requirements.
4 Check whether the fault-free continuous grid-connected operation record is complete within the time when the cumulative total amount of radiation received by the PV module surface reaches 60 kW·h/m 2 .
5 Check whether the electrical performance and system efficiency of the PV array meet the design requirements.
6 Check whether the performance specifications of the grid-tied inverter and photovoltaic square array meet the design requirements.
7 It is necessary to check whether the problems found during the start-up acceptance of the project have been corrected.
8 The problems found during the trial operation of the project shall be instructed to complete the rectification by the relevant unit within a time limit.
9 It shall be determined that the project is handed over to the production period.
10 Deal with production units to put forward operational management requirements and recommendations.
11 The "Engineering Commissioning and Transfer Production Approval Certificate" shall be issued.
7 Project completion acceptance
7.0.1 The completion acceptance of the project shall be carried out after the commissioning and transfer production acceptance is completed.
7.0.2 The composition and main responsibilities of the project completion acceptance committee shall include the following contents:
1 The engineering acceptance and acceptance committee shall be composed of the relevant departments in charge of environmental protection, water conservancy, fire control and quality supervision. The construction unit and the design, supervision, construction, and major equipment manufacturing (supply) companies shall send representatives to participate in the final acceptance.
2 The main responsibilities of the project completion acceptance committee shall include the following contents:
1) The project should be presided over for acceptance.
2) The project completion report should be reviewed.
3) The project investment settlement report should be reviewed.
4) The project investment final account should be reviewed.
5) The implementation of the budget for project investment should be reviewed.
6) Handle handling issues left over from the project.
7) Conduct a comprehensive evaluation of the project and issue a “Project Completion Acceptance Appraisal†that meets the requirements of Appendix F of this Code.
7.0.3 Acceptance conditions for the completion of the project shall meet the following requirements:
1 The project should have been completed in accordance with the construction drawings, and a summary report has been submitted by the relevant units of the construction, design, supervision, construction, etc., and the problems and defects found in previous inspections should have been rectified.
2 Special projects such as fire protection, environmental protection, and water and soil conservation shall have passed the review and acceptance of relevant government departments.
3 The completion acceptance committee shall have approved the acceptance procedure.
4 The project investment should all be in place.
5 Completion of final accounts should have been completed and audited by completion.
7.0.4 The project completion acceptance data shall include the following contents:
1 Project completion report and audit report.
2 Completion of engineering drawings.
3 Project budget implementation report.
4 Soil and Water Conservation and Environmental Protection Plan Implementation Report.
5 Project completion report.
7.0.5 The main work of project completion acceptance shall include the following contents:
1 It is necessary to check whether the completion information is complete.
2 The project completion report should be reviewed.
3 The final accounts and audit reports should be checked.
4 The implementation of project budget and final accounts should be reviewed.
5 When major problems are found, the acceptance committee shall stop acceptance or stop acceptance of some projects, and urge relevant units to handle them within a specified period of time.
6 The overall evaluation of the project should be conducted.
7 The "project completion acceptance certificate" should be issued.
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