Smart Energy Management

Assist in the operation of 'zero carbon' factories

In people's impression, the walls of factories are often cold iron fences, but in the factory area of Hebei Cangzhou Xinxing Cast Pipe Co., Ltd. in Gangcheng District, Huanghua City, Bohai New Area, they are composed of black photovoltaic solar panels and constantly rotating micro windmills.

Not long ago, the "zero carbon" factory built by Xinxing Cast Pipe based on these solar panels and windmills, which integrates wind, light, and storage, was officially launched, and the company's all vanadium flow battery automation production line was also put into operation simultaneously.

When it comes to this "zero carbon" factory, the company's technical director Chen Long is deeply moved.

Originally, the construction of new energy storage projects using emerging cast pipes and the attempt to produce all vanadium flow batteries using surplus vanadium slag from ironmaking were full of setbacks along the way, from planning and laying out new tracks to achieving full production.

As soon as the new project was launched, the electricity problem turned to Chen Long. The research and development experiments of all vanadium flow batteries require a large amount of power consumption, especially in the pilot stage of the product. The high energy consumption slows down the progress of project research and development

As the company's technical director, Chen Long began to consider utilizing the natural resources of Huanghua Port to develop green electricity and build a "zero carbon" factory to solve the problem of electricity consumption.

After a period of investigation, Chen Long and his team set their sights on solar and wind energy. Huanghua Port has abundant wind energy and ample sunshine, making it very suitable for the development of the green power industry

Just do what you say. Soon, the fence around the factory was replaced by photovoltaic solar panels, and on top of the solar panels, a micro windmill developed by the company was installed for wind power generation.

The continuous supply of green electricity has propelled the rapid development of vanadium flow batteries. At this moment, observant Chen Long discovered that due to a lack of energy management, the electricity generated during nighttime and holiday periods was lost.

Soon, Chen Long and his team relied on the company's existing large-scale energy storage power stations, big data, and microgrid technologies to develop and launch a smart energy management system that integrates wind, solar, and storage. Empowered by this system, "zero carbon" factories have emerged.

We use a smart energy management system to store the electricity generated by photovoltaics and wind energy in large-scale energy storage stations. The system then utilizes big data and microgrid technology to continuously adjust and allocate electricity supply based on experimental and production needs to meet the daily production needs of the factory, achieving maximum electricity utilization. "Chen Long explained the operation of the" zero carbon "factory.

Power dispatcher

Accurately allocate green power supply

Not long ago, the reporter visited the Bohai Equipment Qingxian Industrial Park and was immediately attracted by the photovoltaic solar panels covering the roof of the park.

Bohai Equipment Qingxian Industrial Park is exploring the construction of "zero carbon" factories and utilizing the roofs of the park's factory buildings to build photovoltaic distributed power stations. Since grid connected power generation in 2022, the cumulative power generation has exceeded 40 million kilowatt hours, equivalent to saving over 10000 tons of standard coal and reducing carbon dioxide emissions by nearly 40000 tons, laying a solid foundation for enterprises to achieve their "dual carbon" goals.

The Bohai Equipment Qingxian Industrial Park has revitalized the roof resources of 182000 square meters of factory buildings and built a "rooftop power station" with an installed capacity of 17.856 megawatts. The project adopts the "self use and surplus electricity grid connection" mode, converting idle roofs into green energy "production workshops", providing over 15 million kilowatt hours of clean electricity for the park every year, equivalent to saving 4500 tons of standard coal, truly achieving a "win-win" situation of economic and ecological benefits.

The project also utilizes intelligent operation and maintenance methods to significantly improve power generation efficiency. The reporter walked into the photovoltaic power station and saw 20 silver gray intelligent cleaning robots working in an orderly manner on the roof. Through the intelligent high-frequency cleaning of robots, not only has the power generation efficiency been improved, but the risk of component hot spots has also been significantly reduced, extending the service life of equipment. Data shows that after the introduction of intelligent cleaning robots, the power generation of the photovoltaic power station in the park has increased by 5%, with a peak daily power generation of 100000 kilowatt hours.

In conjunction with the operation and maintenance of intelligent cleaning robots, the company has also independently developed an intelligent management platform, which is a "smart brain" that collects 24-hour full operation data of high and low voltage equipment and photovoltaic power generation components. Through big data analysis, equipment failures can be predicted in advance, transforming the traditional "repair after failure" approach into "early warning maintenance", and reducing fault response time by more than 60%. The platform can also act like a "power dispatcher" to track the real-time electricity load and photovoltaic power generation curve of park enterprises, accurately allocate green power resources, and achieve the maximum consumption of photovoltaic green power. The innovative application of intelligent operation and maintenance technology has created a new green development model of 'digital power generation+intelligent power consumption' in the park. Through the collaborative operation of intelligent devices and digital platforms, the photovoltaic power station in the park always maintains the optimal operating state, providing stable power support for green production in the park, "said He Qiqi, Deputy Director of the Production Support Center of Bohai Equipment First Machinery Factory.

Closed loop power supply

Enterprises achieve freedom of electricity usage

At the same time as the exploration of "zero carbon" factories in the Bohai Equipment Qingxian Industrial Park and Xinxing Cast Pipe, a new intelligent photovoltaic power station has been officially connected to the grid for power generation in the Printing Industry Park of Suning County Economic Development Zone. This means that Suning County Badu New Energy Technology Co., Ltd. has once again achieved fruitful results in the layout of the "zero carbon" factory industry, and the "zero carbon" factory service business has become a new growth pole for the company.

Our company focuses on the development of the smart energy industry. After 6 years of research and development, our technical team has successfully developed an industry-leading ultra-thin crystalline silicon solar material with high conversion efficiency. It has been integrated with the efficient ultra-thin crystalline silicon technology, intelligent microgrid control technology, and blockchain based microgrid power trading technology developed by the enterprise to create an intelligent distributed photovoltaic power station that is currently being promoted. The power station includes 88 core technology patents and more than 70 software copyrights independently developed by the company, and has now built multiple 'zero carbon' factory projects in China, "said Wang Chaoqun, the deputy general manager of the company, proudly.

Wang Chaoqun stated that smart energy is one of the strategic directions for the development of the energy industry, and "zero carbon" factories are an important foothold for the application of the smart energy industry, which has become a key area for the commercial development of smart energy in enterprises. Taking advantage of the situation, Eight Degrees New Energy is building a "zero carbon" industrial cluster covering the whole country, with Cangzhou as the center, after several years of exploration.

The Printing Industry Park in Suning County Economic Development Zone is one of the 'zero carbon' factory projects we have built. It consists of industrial production units and intelligent distributed photovoltaic power station units. The industrial production units are connected to the production factories in the park, while the intelligent distributed photovoltaic power station units are composed of subsystems such as monocrystalline silicon solar panels, power collection, transformation, and power supply, forming a closed-loop power supply system to ensure the electricity needs of enterprises in the park, "said Wang Chaoqun.

Intelligent distributed photovoltaic power station is one of the development models of smart energy power station. Its biggest difference from traditional photovoltaic power station is the regional closed-loop power supply system.

In the Suning Printing Industry Park, all power stations are located on the roofs of the park's enterprise buildings. After receiving and transforming electricity, they can be directly supplied to the park's enterprises without going through the State Grid through intelligent microgrid control technology regulation and management, effectively reducing electricity costs and providing strong power for the sustainable and healthy operation of enterprises. "Wang Chaoqun explained the closed-loop power supply system. (Reporter Wu Meng)