Description
Product Introduction
The Solar Tracker TCU AC is an AC-powered photovoltaic tracking controller designed for large-scale ground-mounted solar power plants where a stable external AC power source is available on site. It provides row-level control for solar tracking systems and operates directly from a wide-range 90–264VAC input.
Unlike tracker controllers that require separate power supply modules, this AC-powered TCU can be connected directly to the available AC source. This simplifies system deployment and reduces the need for additional power conversion equipment at the tracker row.
The controller provides 24VDC output with available output power options of 150W, 350W, and 450W. It supports multiple communication methods, including Sub-1GHz, LoRa Mesh, RS485, and Bluetooth, with Modbus RTU communication protocol for integration with compatible tracking and control systems.
Designed for outdoor photovoltaic applications, the Solar Tracker TCU AC features an IP67 protection rating and an operating temperature range of -35°C to 60°C, supporting installation in demanding outdoor environments.
Key Product Features
Direct AC Power Supply
The controller is powered directly by an external AC source, with a wide input range of 90–264VAC. This configuration is suitable for PV plants with stable AC power available on site and eliminates the need for additional power supply modules.
Multiple Output Power Options
The TCU provides a 24VDC output and is available in 150W, 350W, and 450W versions. Different output power configurations can be selected according to the requirements of the solar tracking system.
Row-Level Solar Tracking Control
The TCU functions as a row-level tracking controller for photovoltaic tracking systems. It controls tracker movement based on tracking parameters and selected operating modes.
Multiple Communication Interfaces
The controller supports Sub-1GHz, LoRa Mesh, RS485, and Bluetooth communication methods. Modbus RTU is supported for communication with compatible control systems and equipment.
Astronomical Tracking and Position Feedback
The tracking control method combines an astronomical algorithm with a position sensor. This allows the controller to manage tracker positioning according to solar position calculations and feedback from the tracking system.
Self-Forming Mesh Networking
The networking function supports a self-forming mesh network. Individual TCU configuration is not required for network formation, helping simplify deployment and system setup.
Outdoor Protection
With an IP67 protection rating and an ambient operating temperature range of -35°C to 60°C, the TCU is designed for outdoor photovoltaic tracking applications.
Multiple Operating Modes
The controller supports Auto, Fault, Night, Fixed Angle, Heavy Rain, Strong Wind, Heavy Snow, Maintenance, Stop, and Farm modes. These operating modes allow the tracker control system to respond to different operating and environmental conditions.
Tracking Control Functions
The Solar Tracker TCU AC is designed to provide automated tracking control at the PV row level.
Key tracking parameters include:
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Tracking accuracy: < ±1°
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Tracking range: -60° to +60°
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Control method: Astronomical Algorithm + Position Sensor
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Networking: Self-Forming Mesh Network
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Operation modes: Auto, Fault, Night, Fixed Angle, Heavy Rain, Strong Wind, Heavy Snow, Maintenance, Stop, Farm
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Debugging methods: PC, Mobile, NCU
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Daily power consumption: 0.05 kWh/day
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Motor speed: Adjustable
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Night return: Supported
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Backtracking: Supported
The combination of astronomical positioning and position-sensor feedback provides the control basis for automatic tracker operation across the specified tracking range.
Communication and Networking
The controller supports several communication options to meet different solar tracking system configurations:
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Sub-1GHz
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LoRa Mesh
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RS485
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Bluetooth
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Modbus RTU communication protocol
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Self-forming mesh network
The self-forming mesh network is designed to simplify tracker networking because individual TCU configuration is not required during network formation.
Protection Functions
The TCU includes electrical protection functions and optional environmental protection features.
Standard Protection
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Overcurrent protection: Supported
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Overvoltage protection: Supported
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Undervoltage protection: Supported
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Night return: Supported
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Backtracking: Supported
Optional Environmental Protection
Wind Protection: Optional; requires an anemometer.
Snow Protection: Optional; requires a snow depth sensor.
Rain Mode: Optional; requires a rain gauge.
These functions can be configured according to the environmental monitoring requirements of the photovoltaic tracking installation.
Technical Specifications
Basic Parameters
| Parameter | Specification |
|---|---|
| Product Type | Surge Track TCU AC150/350/450 |
| Power Supply | 90–264VAC |
| Output Voltage | 24VDC |
| Output Power | 150W / 350W / 450W |
| Communication Method | Sub-1GHz / LoRa Mesh / RS485 / Bluetooth |
| Communication Protocol | Modbus RTU |
| IP Rating | IP67 |
| Ambient Temperature | -35°C to 60°C |
| Altitude | <4000m |
| Motor Type | Brushless / Brushed |
Tracking Parameters
| Parameter | Specification |
|---|---|
| Tracking Accuracy | < ±1° |
| Tracking Range | -60° to +60° |
| Control Method | Astronomical Algorithm + Position Sensor |
| Networking | Self-Forming Mesh Network |
| Operation Modes | Auto / Fault / Night / Fixed Angle / Heavy Rain / Strong Wind / Heavy Snow / Maintenance / Stop / Farm |
| Debugging Method | PC / Mobile / NCU |
| Daily Consumption | 0.05 kWh/day |
| Motor Speed | Adjustable |
Protection Parameters
| Protection Function | Specification |
|---|---|
| Overcurrent Protection | Supported |
| Over/Undervoltage Protection | Supported |
| Wind Protection | Optional, requires anemometer |
| Snow Protection | Optional, requires snow depth sensor |
| Rain Mode | Optional, requires rain gauge |
| Night Return | Supported |
| Backtracking | Supported |
Typical Application
The Solar Tracker TCU AC is intended for photovoltaic tracking systems used in large-scale ground-mounted solar power plants, particularly installations where a stable AC power source is already available.
Typical application conditions include:
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Large-scale ground-mounted PV power plants
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Grid-connected photovoltaic projects
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Solar tracking systems with external AC power
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PV plants requiring row-level tracker control
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Projects using brushless or brushed tracker motors
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Solar installations requiring mesh-based tracker communication
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Outdoor PV applications with wide ambient temperature variations
The AC-powered configuration is particularly suitable when the project design provides readily available mains power near the tracker control system.
Installation and Deployment Advantages
The AC-powered architecture simplifies the electrical arrangement of a solar tracker control system. With a 90–264VAC input range, the controller can connect directly to an available external AC supply without adding separate power supply modules.
The multiple communication options provide flexibility for different tracker networking architectures, while RS485 and Modbus RTU support integration with compatible control equipment.
The IP67 enclosure protection and -35°C to 60°C operating temperature range also support outdoor deployment in photovoltaic environments.
Model Selection
The Surge Track TCU AC series is available in three output power configurations:
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TCU AC150 – 150W output power
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TCU AC350 – 350W output power
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TCU AC450 – 450W output power
All models use a 90–264VAC power supply and provide 24VDC output. The appropriate output power version can be selected according to the connected tracker system and motor control requirements.
B2B Supply and Project Support
For solar tracker system integrators, EPC contractors, photovoltaic project developers, and equipment distributors, the Solar Tracker TCU AC provides a dedicated AC-powered control option for large-scale PV tracking applications.
Before procurement, buyers can confirm the required output power, motor type, communication method, environmental protection functions, and tracker system configuration to ensure compatibility with the intended PV installation.
Shanghai SolarSurges Technology Co., Ltd provides the SurgeTrack TCU AC series for photovoltaic tracking control applications, with configurations covering different output power requirements and communication methods.
Product Selection Checklist
When selecting an AC-powered solar tracker controller, consider the following parameters:
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Available AC input voltage at the installation site
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Required TCU output power
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Tracker motor type
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Required communication method
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PV tracker networking architecture
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Required wind, snow, or rain protection functions
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Operating temperature and installation altitude
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Required tracking range and accuracy
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Integration and debugging requirements
The Solar Tracker TCU AC combines direct 90–264VAC power input, 24VDC output, row-level tracking control, multiple communication interfaces, self-forming mesh networking, and optional environmental protection functions for large-scale photovoltaic tracking systems.
For project specifications, model selection, and system compatibility, buyers can contact Shanghai SolarSurges Technology Co., Ltd with their tracker configuration and application requirements.
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