Solar Communication Cabinet
Suzhou Ruitai is a manufacturer and supplier of Solar Communication Cabinet in China. Our NCU products uses high-precision solar tracking algorithms and a fully self-developed intelligent electrical control system to maximize direct sunlight capture. The system not only significantly improves power generation under normal weather conditions but also supports intelligent O&M in complex terrain and changing climates. It is an optimal solution for improving the full-lifecycle internal rate of return (IRR) of solar power plants.
Suzhou Ruitai can offer factory-direct prices for our Solar Communication Cabinet, this product is the core hub for communication networks and solar tracking systems in large-scale solar power plants.
To meet the demands of harsh outdoor environments and high-volume data transmission, the NCU strengthens physical communication links and integrates edge computing with AI algorithms.
It provides reliable communication, improves power generation efficiency, and enables device-edge-cloud coordinated management.
Full Specifications Table
▷ Characteristic parameters
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Product Model |
RT-COM-V1 |
High Wind Speed Trigger Threshold |
Adjustable |
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Power Supply |
L+N 220VAC |
Heavy Snow Trigger Threshold |
Adjustable |
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Parameter Setting |
PC |
Latitude and Longitude |
Automatically Obtained by GPS |
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Daily Power Consumption |
≤0.1kWh |
Time Zone |
Self-Setting |
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GPS Signal |
Yes |
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▷ Functional parameters
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Weather Sensor Alarm |
Yes |
Wireless Communication (with TCU) |
Yes |
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Communication Interruption Alarm (with TCU) |
Yes |
Communication Port |
RS485 / Ethernet |
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GPS Module Fault Alarm |
Yes |
Wind Speed |
Yes |
▷ General parameters
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Housing Material |
Sheet Metal |
Size |
330*96*360mm |
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Installation Method |
Clamping |
Operating Temperature |
-40~70℃ |
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Waterproof Rating |
IP65 |
Altitude |
< 4000m |
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Weight |
5.4kg |
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Core Product Advantages
Higher Power Generation and Better Overall Returns
AI-Powered Solar Tracking: To reduce shading losses in complex terrain, the system uses intelligent algorithms such as Super Track, combining AI and big data with traditional astronomical tracking. This helps increase overall power generation by 8%–15%.
Bifacial Irradiance Optimization: The system calculates the optimal power generation angle for bifacial modules in real time. It delivers higher power generation in the morning, evening, and cloudy conditions, making the power output curve smoother and more grid friendly.
Lower Heat Loss During Power Curtailment: During power curtailment periods, the system intelligently adjusts the tracker angle to receive minimum irradiance, reducing module heating and lowering power losses caused by thermal effects.
Full-Scenario Terrain Adaptability
Complex Terrain Compatibility: There is no limit on east-west slope adaptability. In the north-south direction, slope adaptability can reach up to 20% through variable-slope design, greatly improving land use efficiency.
Multi-Point Drive Structure: The solar communication cabinet uses push-pull rod multi-point drive or parallel drive technology. The drive and column form a stable triangular structure, effectively increasing critical wind speed and reducing dynamic response.
Simplified O&M and Lower O&M Costs
One-Click Intelligent Snow Removal: No manual climbing is required. Operators can send a command from the backend with one click, and the tracker automatically adjusts to a large tilt angle to shed snow, improving O&M efficiency.
Device-Edge-Cloud Coordinated Management: Together with a mobile app, local SCADA, and remote SCADA, the system enables remote monitoring and digital O&M, accurately identifying fault locations.
Fast Installation Design: To reduce construction time and labor costs, the system uses snap-fit spherical bearings and flip-cover bearing seats. This improves installation efficiency by 25%.
How to Maintain Solar Communication Cabinets (NCU)?
1. Monthly maintenance plan
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Maintenance Items |
Specific |
|
Communication link inspection |
Check RS485 and fiber optic connectors for looseness or oxidation, and verify that fiber optic bending radii comply with specifications. |
|
Equipment visual inspection |
Inspect the NCU cabinet seals for aging, ensure the IP65 protection rating is maintained, and check for signs of water ingress. |
|
Grounding resistance test |
Measure using a ground resistance tester. |
|
Log export and analysis |
Export NCU operation logs and analyze for potential issues such as frequent communication timeouts or abnormal restarts. |
2. Quarterly maintenance plan
|
Maintenance Items |
Specifics |
|
Backup battery testing |
Measure battery open-circuit voltage and internal resistance; replace if capacity degradation exceeds 30%. |
|
Lightning protection module inspection |
Check the SPD indicator window color; replace immediately if the device has failed. |
|
Micro-weather station calibration |
Calibrate and verify anemometers and wind vanes to ensure data accuracy. |
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Firmware version check |
Verify if the NCU firmware is the latest version; it is recommended to perform OTA updates during periods of low irradiance. |
3. Annual maintenance plan
|
Maintenance Items |
Specific |
|
Comprehensive communication testing |
Verify communication connectivity and control response for each TCU under management |
|
Sealing integrity test |
Perform water spray testing on the cabinet to confirm the absence of leaks |
|
Cable insulation test |
Test the insulation resistance of communication and power cables using a megohmmeter |
|
Spare parts replacement |
Perform preventive replacement of components that have reached the end of their service life (e.g., fans, gaskets, batteries) |
FAQ
Q: How many TCUs can a single NCU support?
A: In standard configurations, one NCU can manage between 120 and 300 TCUs.
For actual deployment, it is recommended to configure the system at 80% of its rated capacity (maintaining a 20% margin) to handle peak communication loads and future expansion needs. For example, for an NCU rated for 300 units, the actual connected load should not exceed 240 units.
Q: Can the NCU still ensure the safety of the power plant if the SCADA system goes offline or communication is interrupted?
A: Yes. The NCU features edge computing capabilities and autonomous, offline safety protection:
If communication with the central SCADA system is lost, the NCU automatically assumes regional control. It can directly read data from locally connected meteorological sensors.
If wind speeds exceed safety limits, the NCU autonomously issues high-priority "high-wind safety" commands to all TCUs and cleaning robots in its zone, without needing to wait for instructions from the central control room.
Q: Is your Solar Communication Cabinet compatible with third-party SCADA systems or inverters?
A: Yes. The Ruitai NCU utilizes standard industrial-grade open communication protocols:
Uplink protocols: It supports mainstream protocols such as Modbus TCP, IEC 60870-5-104, OPC UA, and MQTT, allowing for seamless integration with the client's existing third-party PV SCADA systems or cloud platforms.
Downlink expansion: It can directly connect to third-party weather stations, snow gauges, and pyranometers via standard RS485 interfaces.
Hot Tags: Solar Communication Cabinet Manufacturer, Custom Solar Cabinet, Outdoor Telecom Enclosure Supplier
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Contact Info
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Address
Building 10, Jiangsu Hainde High tech Industrial Park, No. 70 Yaofeng West Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province, China
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Tel
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