The SUE3000 is a specialized high-speed transfer system designed by ABB to ensure the continuous power supply of essential loads in power plants and industrial facilities. It minimizes the interruption time during a power source failure by switching from a main source to a standby source with extreme speed and precision.
Product Technical Description
The SUE3000 serves as a high-speed interface between the protection system and the circuit breakers. It monitors the voltage, frequency, and phase angle of both the current busbar and the potential standby source.
When a fault is detected (e.g., a voltage drop or frequency shift), the SUE3000 executes a transfer strategy based on the real-time synchronization state:
- Fast Transfer: Executes if the sources are in phase; involves simultaneous or near-simultaneous tripping of the old breaker and closing of the new one.
- In-Phase Transfer: Waits for the first vector coincidence to close the standby breaker.
- Residual Voltage Transfer: Occurs after the motor load voltage has decayed to a safe level to avoid equipment damage.
Technical Datasheet & Parameters
| Parameter | Specification |
| Model Series | SUE3000 |
| Processor Technology | High-performance Digital Signal Processor (DSP) |
| Typical Transfer Time | < 30 ms (Fast Transfer) |
| Binary Inputs/Outputs | Up to 44 Inputs / 24 Outputs (Configuration dependent) |
| Communication Protocols | IEC 61850, Modbus TCP, Modbus RTU, Profibus DP |
| Rated Voltage (Un) | 100 V, 110 V, 115 V, 120 V (Secondary side) |
| Rated Frequency (fn) | 50 Hz or 60 Hz |
| Power Supply | 48 V DC to 250 V DC / 100 V AC to 240 V AC |
| Operating Temperature | -5°C to +55°C |
| Protection Degree | IP40 (Front), IP20 (Terminals) |
Country of Origin
The ABB SUE3000 is primarily engineered and manufactured in Germany.
Common Questions (Q&A)
Q: Can the SUE3000 handle more than two power sources? A: Yes. While the standard configuration is for two sources (Main and Standby), the SUE3000 can be configured for complex busbar arrangements involving three or more incoming feeders or bus-tie breakers.
Q: What is the difference between SUE3000 and a standard Automatic Transfer Switch (ATS)? A: A standard ATS is usually mechanical and operates in hundreds of milliseconds. The SUE3000 is a high-speed electronic controller that uses synchronized switching logic to achieve transfers in under 30ms, preventing motors from tripping due to undervoltage.
Q: Does it require specific types of circuit breakers? A: It requires fast-acting vacuum or SF6 circuit breakers with consistent opening and closing times to ensure the transfer stays within the “Fast Transfer” window.
Q: How does it communicate with a Distributed Control System (DCS)? A: It integrates via standard industrial protocols, most commonly IEC 61850, allowing for real-time monitoring of status and remote configuration.
Would you like me to create a comparison table between the different transfer modes (Fast vs. In-Phase) to see which fits your specific plant requirements?
