Wintop Optoelectronics assists the construction of Ningxia energy storage power station project
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In the challenging context of global climate change, the goal of carbon neutrality for green, low-carbon and sustainable development has become a global consensus. Building a new energy system based on renewable energy is an important path to achieving carbon neutrality. Renewable energy sources such as solar power and wind power have been widely used. However, these energy sources are intermittent, fluctuating and uncertain, which makes it difficult to ensure a balance between electricity supply and demand. Energy storage technology can increase the rate of renewable energy consumption, reduce the impact on the grid, and improve the flexibility, economic efficiency, and security of the energy system. The development of energy storage technology is a necessary condition to promote the transition of energy structure!
With the continuous innovation and advancement of energy storage technology, the increase in electricity market demand, and the upgrading of energy structure, the global energy storage industry is embracing opportunities for rapid development. rapidly, and Chinese energy storage enterprises are also entering the peak stage of development.
Introducing the energy storage power plant project
This project has a total investment of about 800 million yuan, a total construction capacity of 200MW/400MWh, and an average annual charging and discharging capacity of more than 100 million kWh. This is the largest shared energy storage project on the grid side in Ningxia. The energy storage power plant is located in an outdoor prefabricated cabin. Through efficient battery energy storage technology, it uses three types of lithium iron phosphate batteries with different capacities to store large-scale electrical energy and release the power supply system when needed.
The main functions of the energy storage power plant include energy storage, regulation and backup, as well as regulating the peaks and troughs of the power system and providing emergency backup power through the management system. flexible energy. As the “power bank” of the power grid, after the energy storage power plant is completed, it will enhance the flexible adjustment ability of the power grid, effectively realizing peak cutting and bottom filling of the power grid , reduce peak power supply pressure, promote new energy consumption, reduce fluctuations in energy supply, reduce dependence on traditional fossil energy, which is of great significance in accelerating the adoption Large-scale energy storage in Ningxia in peak regulation and integration of renewable energy into the grid, providing supporting data for the construction of large-scale energy storage in Ningxia, and strengthening the model. Provides versatile supplemental energy.
The whole project mainly includes energy storage system, inverter system, control and monitoring system, power transmission system, security system and communication system. According to the actual situation of the project and the construction needs of the main systems, Wintop Optoelectronics provides PCS inverter system, BMS battery management system and EMS platform dispatch management system to provide network solutions. Effective intelligent monitoring, helping projects achieve intuitive, systematized and efficient management.
Project challenges
The desert, Gobi and desert areas are the “main battleground” for new energy construction. This project is located in Ningxia, Northwest China, where the natural environment is quite complex and harsh. Because the energy storage power plant operates in an outdoor environment for a long time, the temperature changes are large, there is a lot of humidity, salt mist and dust, and is long-term affected by special environments. especially high altitude, low temperature and strong wind. At the same time, the independent communication system and stable operation of the device will be affected to a certain extent.
Project requirements
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The overall solution needs to meet the requirements of the field environment, ensuring that the industrial switch can operate stably and reliably in harsh environments.
It is necessary to realize centralized remote management and control, collect and exchange various information in real time.It can ensure the timeliness and accuracy of monitoring information, provide strong technical support for the transmission of current, voltage, temperature and other data to the platform, and effectively manage fruit.
Solution
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The energy storage power plant has 69 energy storage cabinets. Wintop Optoelectronics installs 4 RS6110-2GF8GT industrial switches on each energy storage cabinet and connects with CM6028-4GF24GT rack industrial switches to form 8 ring networks.
At the data link layer, to improve speed, the GOOSE message of the RS6110-2GF8GT switch uses the VLAN tag protocol, and the content indicating priority is added to the data, and the industrial Ethernet switch RS6110- 2GF8GT supports real-time processing VLAN tag ensuring its real-time characteristics.
RS6110-2GF8GT gigabit switch is used in energy storage cabinet, has the characteristics of high bandwidth, high stability and high real-time performance, and stable transmission of BMC battery data, measurement data and control, and data communication PCS connected to the aggregate switch CM6028-4GF24GT. Send data to background.
The RS6110-2GF8GT and CM6028-4GF24GT industrial switches support a wide temperature range from -40 to 85°C, millisecond kill time advantages, and industrial performances such as IP40 enclosure protection, interoperability EMC level 4 industrial-grade electromagnetic adaptation, and dual redundant power supply design, fully meet the requirements of industrial environments in special areas such as high altitude, low temperature and strong sandstorms where the project is located be done.
Energy storage is a key link in the green energy transition and development, and is an important technical support for achieving the “carbon double” goals of carbon peaking and carbon neutrality. The development and maturity of the energy storage industry is important for accelerating the construction of a new energy system based on renewable energy. Wintop Optoelectronics has thoroughly implemented the concept of green and low-carbon circular development with practical actions. We will continue to strengthen and promote the high-quality development of China’s energy storage industry with excellent research and development strength, reliable products and excellent service support ours.