Basler SSR 63‑12 Static Voltage Regulator

The Basler SSR 63‑12 is a static voltage regulator designed for medium‑capacity synchronous generators. This regulator provides an output of 63 VDC for the exciter field and accepts a sensing input of 100‑139 VAC, making it suitable for a variety of generator configurations. It offers adjustable voltage setpoint, stability control, and droop compensation, ensuring reliable voltage regulation in industrial and marine applications.

Key Features

The regulator features adjustable voltage setpoint, stability compensation, and reactive droop for parallel operation. It includes over‑excitation and under‑excitation protection. Status LEDs indicate power, regulation, and fault conditions. The unit is built with a robust heatsink for efficient thermal management.

Technical Specifications

Sensing input: 100‑139 VAC, 50/60 Hz. Auxiliary power: 120‑240 VAC. Output voltage: 63 VDC (adjustable). Continuous current: 12 A, peak 18 A. Regulation accuracy: ±0.5%. Response time: less than 30 milliseconds. Operating temperature: -20°C to +65°C. Enclosure: panel mount with IP20 protection.

Operating Principles

The SSR 63‑12 compares the sensed generator voltage with a reference. The error signal controls the firing angle of the SCR power bridge, modulating the exciter field current. The PID loop ensures stable performance. Droop adjustment enables reactive power sharing in parallel systems.

Applications

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

Installation and Configuration

Mount the regulator on a panel with adequate ventilation. Connect the sensing, power, and field leads per the wiring diagram. Adjust the voltage setpoint, stability, and droop using the potentiometers. A load test is recommended to verify performance.

Maintenance and Reliability

The solid‑state design minimizes maintenance. Periodically check connections and clean the unit. The regulator is protected against short circuits and overvoltage.

Conclusion

The Basler SSR 63‑12 static voltage regulator provides precise and dependable excitation control, making it a valuable component for medium generator applications.