Basler SSE‑N 250‑9 KW Shunt Exciter Regulator Assembly

The Basler SSE‑N 250‑9 KW is a shunt exciter regulator assembly designed for synchronous generators requiring reliable and precise excitation control. This assembly provides regulated DC power to the generator field, ensuring stable voltage output under varying load conditions. It is part of Basler Electric's SSE series, known for robust construction and dependable performance in industrial, utility, and marine applications.

Key Features

The regulator assembly features adjustable voltage setpoint, stability compensation, and protection against over‑excitation and under‑excitation. It includes a rugged power stage with efficient thermal management. Status indicators provide visual confirmation of operation. The unit is designed for panel mounting in generator control cabinets.

Technical Specifications

Power rating: 250‑9 KW continuous. Input voltage: 120‑480 VAC, 50/60 Hz. Output voltage: adjustable up to 150 VDC. Regulation accuracy: ±0.5%. Response time: less than 50 milliseconds. Operating temperature: -20°C to +65°C. The assembly includes all necessary mounting hardware and connection terminals for straightforward installation.

Operating Principles

The regulator compares the sensed generator voltage with a reference. Any deviation generates an error signal that controls the excitation power stage, modulating the field current. The control loop is designed for stable performance across the generator's operating range.

Applications

This regulator assembly is used in standby and prime power generators, marine vessels, and industrial co‑generation plants. It is suitable for generators requiring moderate excitation power.

Installation and Configuration

Mount the assembly in a clean, well‑ventilated panel. Connect the sensing, power, and field leads per the wiring diagram. Adjust the voltage setpoint and stability using the front‑panel controls. A load test is recommended to verify performance.

Maintenance and Reliability

Solid‑state design minimizes maintenance. Periodically check connections and clean the unit. The assembly includes protection against short circuits and overvoltage.

Conclusion

The Basler SSE‑N 250‑9 KW shunt exciter regulator assembly provides dependable excitation control, ensuring stable generator voltage in demanding applications.