Basler BE2000E Digital Voltage Regulator
The Basler BE2000E is a compact, digital automatic voltage regulator (AVR) designed for brushless synchronous generators. It provides precise regulation of generator output voltage under varying load and speed conditions, ensuring stable power quality. The BE2000E is suitable for small to medium‑sized generators in standby, prime, and mobile applications.
The regulator features a microcontroller‑based design with advanced PID control and includes protection functions such as over‑excitation, under‑excitation, and V/Hz limiting. It offers a simple interface with potentiometer adjustments and LED indicators for diagnostics. The BE2000E is built for reliability with a rugged enclosure and wide operating temperature range.
Technical Specifications
Model: BE2000E
Voltage sensing: Single‑phase (120/240 V AC) or 3‑phase (optional)
Regulation accuracy: ±0.5% of setpoint
Excitation output: Up to 10 A (continuous), 15 A (peak)
Voltage build‑up: Residual voltage ≥ 5 V AC
Protection: Over‑excitation, under‑excitation, V/Hz, loss of sensing
Adjustments: Voltage, stability (gain), damping, and droop (for parallel operation)
Power supply: From generator sensing (self‑excited) or auxiliary winding
Operating temperature: -40°C to +70°C
Dimensions: 150 x 120 x 60 mm
Certifications: CE, UL, RoHS
Functional Features
PID control: Fast and stable response to load changes.
V/Hz limiter: Protects the generator from over‑fluxing during underfrequency operation.
Droop adjustment: Enables reactive power sharing when generators operate in parallel.
Built‑in diagnostics: LED indicators for voltage present, excitation on, and fault.
Typical Applications
Diesel gensets: Voltage regulation for standby and prime power.
Marine generators: Compact and reliable for shipboard use.
Portable and mobile generators: Construction and emergency power.
Installation and Adjustment
Mount the BE2000E inside the generator control panel. Connect the voltage sensing wires to the generator output, and the excitation wires to the AVR exciter field. Set the voltage potentiometer to the desired output voltage. Adjust the stability and damping controls to achieve stable regulation. The droop control is used for parallel operation.
Compliance
Complies with EN 61000‑6‑2/‑4 and relevant safety standards, CE and UL approved, RoHS compliant.
Conclusion
Basler BE2000E is a cost‑effective, reliable digital AVR ideal for small to medium generators, offering precise voltage control and essential protection in a compact design.




