1. Overview
With the development of the global economy, the wind energy market has also developed rapidly. In 2007, the global installed wind power capacity was 90,000 MW. In 2008, global wind power growth was 28.8%, and by the end of 2008, the cumulative global installed wind power capacity had exceeded 120,800 MW, equivalent to a reduction of 158 million tons of carbon dioxide emissions. With technological advancements and the development of environmental protection efforts, wind power generation will be fully competitive with coal-fired power generation commercially.
Inner Mongolia, leveraging its abundant wind energy resources, has seized the favorable opportunity to develop green energy, optimized the allocation of wind power resources, and continuously accelerated the pace of wind power development. As a manufacturer of industrial communication equipment, Zhuoyue Communication provides wind farms with the most reliable and stable automated communication platform.
2. Network Design Description
Applications of TSC Wide Temperature Series Switches in the Wind Power Industry
I. Introduction to the Wind Power Industry
Since the mass production of wind power equipment in the 1980s, wind power began to develop in developed European countries and gradually expanded to other countries around the world. Statistics show that global installed capacity reached 7422.3 MW in 2006, a 25.6% increase from 5909.1 MW in 2005. According to authoritative forecasts, global wind power installed capacity will grow by 25% over the next five years. Based on this projection, global wind power installed capacity will reach 168783.1 MW by 2020, approximately 23 times the capacity in 2006. Therefore, globally, the focus of new energy investment is gradually shifting to wind power, and the curtain is being raised on a large-scale development of wind power.
According to simulation data from the China Meteorological Administration's Wind and Solar Energy Resource Assessment Center, the technically exploitable area of wind energy resources on land (excluding the Qinghai-Tibet Plateau) nationwide is approximately 536,000 square kilometers, and the near-shore area within 20 kilometers of the coast is approximately 37,000 square kilometers. Currently, the total wind energy reserves at a height of 10 meters nationwide are 3.226 billion kilowatts, of which the actual exploitable onshore wind energy reserves are 253 million kilowatts, and the coastal reserves are estimated at 750 million kilowatts, totaling approximately 1 billion kilowatts. The actual exploitable wind energy resources at a height of 50 meters nationwide are approximately 2.86 billion kilowatts.
In recent years, my country's wind power industry has experienced rapid growth, primarily driven by the successive promulgation of relevant laws and regulations encouraging the development of renewable energy. Policy support for the wind power industry encompasses electricity price subsidies and tax incentives, including the "Trial Measures for the Management of Renewable Energy Power Generation Prices and Cost Sharing," the "Interim Measures for the Allocation of Renewable Energy Electricity Price Surcharge Revenue," and the "Implementation Opinions on Promoting the Development of the Wind Power Industry." Furthermore, regarding tax incentives, the Ministry of Finance and the State Administration of Taxation have jointly issued documents clarifying a 50% reduction in value-added tax for wind power generation. These policies, from a holistic perspective, outline the development of the wind power industry, demonstrating the government's proactive approach. Simultaneously, the development of network automation has provided a solid foundation for the rapid growth of my country's wind power industry.
II. Successful Application of TSC Products in Bayin Wind Power Project in Inner Mongolia
1. Network Topology
2. Application Analysis: Given the general characteristics and unique features of the wind power industry, we primarily consider the following aspects in our networking solutions:
1. The system design fully considers the characteristics of multiple business subsystems, and follows the principle of giving equal importance to advanced technology, practicality, maturity and reliability, forming a complete set of networking solutions.
2. Able to meet the harsh physical environment requirements of wind farms, including temperature, dust protection, and electromagnetic compatibility.
3. Due to the large scale of the network, the networking scheme adopts a clear multi-layer structure, which simplifies the maintenance and management of the network from the most fundamental network structure design, enables the rapid isolation and identification of fault points, and ensures the stable operation of the system.
4. The networking solution itself must have certain troubleshooting and rapid self-healing functions, be able to self-diagnose and quickly troubleshoot equipment failures and link failures, and provide real-time alarms.
5. When performing manual maintenance, expansion, or fault repair on the network, the impact should be minimized, ensuring that maintenance and expansion have no impact on system operation; fault repair should only have a certain impact on the connected terminals of the relevant network devices.
6. Network equipment selection: Use industrial-grade equipment with high real-time performance and stability.
7. The networking solution must be compatible, able to seamlessly connect to network equipment from different manufacturers, and offer high cost-effectiveness.
Considering the real-time requirements of industrial sites, a ring network design concept is adopted to avoid the impact of a single link failure on the network.
Solution advantages
Industrial ring networks are a network topology primarily used in industrial network environments. Their main function is to provide extremely high security and reliability. When a network failure occurs, the ring network's unique redundancy algorithm can guarantee millisecond-level self-healing.
This solution uses the American-made TSC Carat52 wide-temperature series industrial Ethernet ring network switch, which adopts a redundant ring network design concept. It can provide fault redundancy. When any node in the network fails, the network can converge within 300ms without affecting the normal transmission of data, thereby greatly enhancing the stability and reliability of the network.
This solution utilizes the superior TSC Carat 5208FC2 to construct a redundant ring network. The TSC Carat52 series industrial Ethernet switches are communication devices specifically designed for industrial customers, supporting redundant ring network topologies. They fully consider the reliability requirements of industrial control systems, employing TSC's proprietary "Supreme-Ring" ring network protocol. Their link fault recovery time reaches less than 300ms. Featuring a fully enclosed metal corrugated thermal structure, they are suitable for harsh environments such as high temperatures, dust, and strong electromagnetic fields. Special models are even capable of underwater operation. The ring network setup of this model is highly intelligent, requiring no on-site PC configuration. The use of intelligent confirmation switches simplifies on-site operation for network engineers while ensuring the safety and reliability of the communication system. Factories, power plants, military units, and other customers can choose this series of products according to their specific needs.
The Carat52 industrial Ethernet switch features six 10/100M twisted-pair (RJ45) ports for connecting terminal devices or network segments, and two backbone ports (fiber optic) for forming a "Supreme-Ring" backbone connection. This provides redundant connectivity for industrial field control equipment; any failure in the backbone communication channel will be detected within 300ms, activating redundant links to transmit data and ensuring your automation system continues to operate normally. The Carat52 industrial Ethernet switch uses store-and-forward switching, learning up to 8000 addresses, and each port can connect to multiple independent physical network segments. It is fully compatible with the IEEE 802.3 standard, reducing compatibility issues when connecting other Ethernet-enabled devices to Carat.
Power Grid Dispatch SCADA Disaster Backup System Solution
I. Overview of the Plan
The power system is one of the most important components of my country's energy industry. Looking back at the social and economic development of the 20th century, a prominent feature is that the use of electricity has permeated all aspects of social economy and daily life. Due to the characteristics of electricity—easy energy conversion, high concentration and unlimited division, cleanliness and controllability, large-scale production and long-distance transmission—the degree of electricity development and application has become one of the important indicators for measuring a country's level of modernization, as well as its material and spiritual civilization. However, today, natural disasters (fires, floods, lightning, hurricanes), various human factors, and failures of critical equipment can all lead to the paralysis of enterprise information systems and the destruction of critical business data. Therefore, a safe and stable network system is one of the effective means to improve the safe, reliable, and economical operation of the power grid.
II. Scheme Design
In the design of the network structure of the power grid dispatch SCADA disaster backup system, the TSC Carat20 series industrial Ethernet switch of Excellence is used as the main switch of the central control station, and the TSC Carat10 series plug-and-play industrial Ethernet switch provides data communication connection for the substation of the system.
III. Scheme Topology Diagram
IV. Product Features
This solution utilizes the TSC Carat2024FC-E and TSC Carat1008FC series products from Excellence Communication. The TSC Carat1008FC industrial Ethernet switch is a plug-and-play network communication device designed specifically for industrial customers, fully considering their requirements for easy maintenance, scalability, and high reliability. It supports DIN rail mounting, saving startup time through plug-and-play connection, features a wide operating temperature range of -10℃ to +70℃, a high-strength shock and vibration resistant housing design, and provides redundant power input and overload protection, ensuring long-term reliable and trouble-free operation of your industrial automation communication system. The TSC Carat2020FC-E industrial Ethernet switch is an industrial-grade product tailored for the power industry, conforming to the "rear panel cabling, front panel display" structure required for power industry applications, and has passed relevant tests by the "National Power Industry Power Equipment and Instrument Quality Inspection and Testing Center".
V. Features of the Plan
The TSC Carat2024FC-E and TSC Carat1008FC industrial Ethernet switches support longer transmission distances via their fiber optic interfaces, increasing the repeater-free transmission range. The maximum length between adjacent stations can reach 2km for multimode fiber and 75km for single-mode fiber, with a maximum coverage area of 100km. Furthermore, the fiber optic cables are resistant to electromagnetic and radio frequency interference, ensuring unaffected transmission and preventing damage to equipment. Since fiber optics transmit optical signals, the power supplies at both ends are relatively isolated, effectively mitigating the serious threats that power and ground wires at both ends of the fiber optic cable could pose to equipment.
