Technical Specifications Voltage sensing: 120–480 V AC generator and busbar; excitation output: 0–12 A DC; supply: 24 V DC; synchronization: phase window ±10° adjustable; communication: Modbus RTU; operating temperature: -20 °C to +70 °C; enclosure: IP40.
Functional Features Digital PID voltage regulation; automatic voltage matching; frequency and phase synchronization; breaker close output relay; comprehensive electrical protection; soft start voltage ramp; load reactive droop compensation.
Application Scenarios Generator set paralleling systems, standby generator grid synchronization, multi-generator power plants, microgrid generator control.
Performance Parameters Voltage regulation: ±0.5% steady state; phase matching accuracy: ±1°; frequency matching: ±0.05 Hz; synchronization response: < 200 ms.
Material Composition Steel enclosure, microprocessor control board, power output stage, dual voltage sensing transformers, output relay.
Structural Characteristics Panel mount housing; front status indicators and configuration port; rear terminal block for all wiring; mounting ears.
Working Principle The unit senses both generator and busbar voltage, regulates generator excitation to match voltage and frequency, and synchronizes phase angle. When all parameters match, it signals the breaker to close for smooth paralleling, then maintains voltage control and reactive load sharing.
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