In the Third Industrial Revolution, “In the next 25 years, millions of buildings—households, office space, shopping malls, and industrial and technological parks will be able to serve as power plants and residences.†The distributed photovoltaic power generation market has great potential.
In 2015, distributed photovoltaics began to develop rapidly. The cumulative annual cumulative growth of global installed capacity was more than 20%, of which the proportion of distributed photovoltaic power stations in Germany accounted for more than 70% of the installed capacity of photovoltaics, while the installed capacity of distributed photovoltaic power stations in China accounted for only 16 %about.
All the business opportunities come from unmet needs. Plus, the country's policies and subsidies are constantly tilting toward distributed power plants. China's distributed photovoltaic power generation is a huge new market that will attract all parties to participate.
However, the quality of past and current distributed power plants is not optimistic and seriously hinders the rapid and healthy development of distribution. At present, there is a lack of standards for real products and services, and quality problems are often buried in the early stages of the rigorous feasibility study; the signs of power station design show signs (site survey is not sufficient; design copying is applied unreasonably, causing The construction difficulty and system cost are too high, and the combination of the power station and the construction structure is unreasonable; the exposure is more serious during the construction and construction process. (The construction personnel have no understanding of the key equipment technologies such as components and corresponding national supporting specifications, and the construction workers' skills are not qualified. , materials, cut corners, weak construction safety awareness, etc.); after the operation and maintenance phase of grid-connected operation, lack of safety, quality supervision; lack of professional operation and maintenance personnel; lack of standards, technologies and norms; lack of effective pre-control measures. The negligence of the above stages will directly lead to the poor cost performance of the power plant system, low investment returns, insecure safety, and high operation and maintenance costs.
In view of the above, one of the effective and feasible ways to improve such conditions is to implement fine-grained management of quality control throughout the entire process of distributed power plants.
The following briefly describes the refined quality management of distributed photovoltaic power plants:
First, what is fine quality management
In the entire process from feasibility study to acceptance and grid-connected operation of distributed power plants, the method of quality control has been detailed and detailed, and the quality responsibility has been clarified to each link. A concrete and operable solution was proposed for the discovery and correction of the problems, which made the power station's quality optimized, its cost minimized, and its maintenance the most simplified.
Second, how to implement fine quality management
According to industry standards, management norms, system rules, contract contracts, etc., the quality management party and the owner discuss and formulate specific standards and other implementation plans.
â– Feasibility study stage
Engage in advance; participate in the engineering design process, put forward detailed rationalization proposals, and optimize design resources.
â– Project bidding stage
Assist the owner in reviewing the tender documents, bidder qualifications, etc.
â– Construction preparation stage
1. Assist in reviewing the construction blueprint and reviewing the overall construction schedule;
2. Review all construction, safety and personnel management qualifications and procedures before construction;
3. Staff training, including: standard specification training, project management training, key equipment quality training, safety training, etc.;
4. Participate in the tripartite and guide the contractor to carry out the project test installation; assist the owner in the quality control and schedule control of the supply chain and implement the various demand plans and schedule assurance measures.
â– Construction start-up phase
1. It is recommended that the owner conduct sampling inspection plans for key equipment and materials;
2. Strictly implement the supervision and standardization process in the construction process, establish and improve the early-warning system for the project quality project progress, and make reasonable adjustments in a timely manner;
3. Make advance suggestions on key factors affecting later operation and maintenance in the construction process;
4. Integration of power plant engineering supervision and power plant inspection, testing of the main equipment of the power station during the construction process and testing of the power station grid-connected system, verifying the quality changes of the main engineering materials before installation and putting into operation, and the entire system power generation system, clearly related Responsibility is vested and solutions are proposed.
â– Acceptance, operation and maintenance phase
1. Carry out quality inspections and pre-acceptance before formal acceptance of the power grid to ensure formal acceptance rates;
2. To collect and archive various engineering information, use the relevant data and reports provided by the supervision and inspection, carry out power station assessments, and set up platforms for project development and power station transactions;
3. Regularly check the use of the equipment and the operation and maintenance of the power station, and provide maintenance and technical training.
Third, who will implement fine management
Independent third-party companies with relevant qualifications and rich experience, according to the relevant laws and regulations, through on-site testing, inspection, acceptance, and other means to achieve the entire process of quality control.
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