Digital AVR D550 – Automatic Voltage Regulator for Generator Alternators
🔩 Specifications
- Model: D550
- Part Name: Digital Automatic Voltage Regulator
- Component Type: Digital alternator voltage regulator
- Application: Industrial alternators and generator sets
- Function: Controls alternator excitation and regulates generator voltage
- Control Modes: Voltage, power factor, reactive power, voltage matching, and manual field-current control
- Communication: USB and CAN communication interfaces
- Configuration: PC-based digital parameter configuration
⭐ Key Features
- Precise Voltage Regulation: Maintains stable generator output voltage during changing operating conditions.
- Multiple Regulation Modes: Supports voltage, power factor, reactive power, and manual excitation control.
- Parallel Operation Support: Provides functions such as quadrature droop and cross-current compensation for compatible parallel generator systems.
- Flexible Configuration: Allows parameter adjustment through PC software and communication interfaces.
- Comprehensive Monitoring: Accepts generator voltage, current, frequency, and temperature measurements.
- Wide Generator Compatibility: Supports excitation systems using PMG, AREP, or SHUNT power supplies.
⚙️ Technical Insights
The D550 digital AVR controls alternator field current through dedicated regulation loops. Therefore, it can maintain generator voltage according to configured operating parameters while responding to changes in load and system conditions.
Moreover, the controller can regulate power factor and reactive power when the alternator operates in parallel with the electrical grid. It also supports voltage matching before grid connection and manual field-current control when required.
The D550 provides programmable digital and analog inputs and outputs, together with USB and CAN communication. As a result, technicians can integrate the AVR into different generator control architectures and configure operating parameters according to the application.
🛠 Application Scenarios
The D550 digital AVR is designed for compatible industrial alternators and generator sets that require accurate excitation and voltage control. It can support standalone generator operation as well as applications where multiple generators operate in parallel.
It is suitable for generator maintenance, AVR replacement, control-system upgrades, and troubleshooting of unstable excitation or voltage regulation. In addition, its programmable control functions make it suitable for power-generation systems with more advanced regulation requirements.
📦 Availability
The D550 Digital AVR is available as a replacement or service component for compatible alternator and generator applications. Before ordering, please confirm the AVR model, alternator model, excitation system, and control configuration to ensure correct compatibility.
For correct fitment, please provide your generator model, alternator model, existing AVR model, or AVR part number. In addition, our support team can help verify the appropriate digital AVR for your application.
