Basler 5MW AVR Generator Voltage Regulator
The Basler 5MW Automatic Voltage Regulator (AVR) is a high-capacity replacement unit designed for generator sets up to 5 megawatts. This regulator provides precise voltage regulation for synchronous generators in industrial, marine, and utility applications, ensuring stable output voltage under varying load conditions. The 5MW AVR is engineered as a direct replacement for original Basler Electric regulators, offering improved performance, reliability, and ease of installation.
This regulator features advanced PID control algorithms for fast response and excellent voltage stability. It includes comprehensive protection functions such as over-excitation limiting, under-excitation limiting, and V/Hz protection to safeguard the generator from abnormal operating conditions. The unit is designed for easy retrofit with standard mounting and wiring configurations.
Technical Specifications
Power rating: Up to 5 MW generator capacity
Control mode: AVR (automatic voltage regulation)
Voltage sensing: 3-phase, 0-600 V AC
Field output: Up to 15 A continuous
Regulation accuracy: ±0.5% of setpoint
Protection: Over-excitation, under-excitation, V/Hz, loss of sensing
Response time: < 50 ms (typical)
Power supply: 56-277 V AC or 125 V DC
Operating temperature: -40°C to +70°C
Certifications: CE, UL, RoHS
Functional Features
Precise voltage regulation: Maintains generator output voltage within tight tolerances under all operating conditions.
Fast transient response: Quickly compensates for load changes, ensuring stable power quality.
Protection functions: Built-in limiters and protection prevent damage to the generator and connected equipment.
Easy retrofit: Designed to replace original Basler regulators with minimal wiring modifications.
Typical Applications
Industrial gensets: Diesel and gas generators up to 5 MW.
Utility generators: Replacement regulator for existing installations.
Marine power systems: Shipboard generators requiring reliable voltage control.
Installation and Configuration
Mount the regulator in the generator control panel. Connect the voltage sensing wires to the generator output, the field output to the exciter, and the power supply to the appropriate terminals. Adjust the voltage setpoint and gain for optimal regulation. The unit includes LED indicators for power and fault status.
Compliance
Complies with IEEE 421.5, IEC 60034-16, CE and UL approved, RoHS compliant.
Conclusion
The Basler 5MW AVR provides reliable, high-capacity voltage regulation for large generator sets, offering a cost-effective replacement solution with enhanced performance and protection.




