Published: 2026-01-09
The Cangjin (Zhulatu) 220 kV substation in Otog Front Banner, Ordos, is a key project to optimize regional grid structure and improve supply reliability for new-energy integration.
1. Project Introduction
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Otog Front Banner is rich in wind and solar resources. Growing renewable capacity challenges grid access and transmission.
The Zhulatu 220 kV substation, after 2023 preliminary design, entered full construction as a regional hub for collecting renewables, raising voltage, and efficient transfer.
With advanced intelligent design, protection, automation, and communications, the project demands extremely high network stability, real-time performance, and EMI immunity.
2. Project Requirements
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MRD Meridian industrial switches provide triple assurance:
Extreme-environment readiness: −40°C to 85°C wide temperature and full-metal shielding with industrial EMC certification.
Zero-interruption communications: MRD-Ring® redundancy switches paths within 50 ms for protection-signal real-time needs.
Intelligent management: customized QoS priorities for protection and safety automation traffic.
3. Related MRD Meridian Products
TNM4000-PHH4GC8C8T8F
• Backplane bandwidth up to 56 Gbps
• Rust-proof aluminum housing and internal hex screws
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TNM4000-PHH4GC8C8T8F
• Network management support
• Wire-speed forwarding and auto MDI/MDIX; long-distance capable
• One-button factory reset and reboot
• Configuration file upload/download
• EMC Level 4; IP40; compact plug-and-play; fanless wide-temp quiet operation
• MTBF ≥ 300,000 h; meets CSG power monitoring security specifications
Stable operation on the grassland again proves domestic high-end industrial communications in critical infrastructure, with MRD building a reliable “neural network” for green energy hubs.
•MTBF≥300,000h
Hotline: 86-21-58330762
Zip: 201203
Email: sales@mrdcom.net
Address: No.123 Curie Road, China (Shanghai) Pilot Free Trade Zone
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