Technical Specifications Generator and busbar voltage sensing: 100–480 V AC, 50/60 Hz; phase window: ±10° adjustable; breaker close output relay; 24 V DC power supply; 4–20 mA bias output; operating temperature: -20°C to +65°C; IP40 enclosure; CE, UL certified.
Functional Features Automatic voltage matching; frequency slip control; phase angle synchronization; breaker time compensation; dead bus detection; sync inhibit input; status indication relays.
Application Scenarios Diesel and gas generator paralleling, standby generator grid connection, microgrid synchronization, multi-generator power plants.
Performance Parameters ±0.5° phase matching accuracy; ±0.1 Hz frequency control; fast synchronization cycle; low false close rate; reliable breaker timing compensation.
Material Composition Sheet steel chassis, precision voltage transformers, microprocessor control board, electromechanical output relays, insulated terminal blocks.
Structural Characteristics Panel mount enclosure; front adjustment potentiometers and status indicators; rear terminal strip for power and signal wiring; mounting ears for panel fixation.
Working Principle Continuously measures generator and busbar voltage, frequency and phase difference. It adjusts generator excitation and governor to match parameters, then issues breaker close command when all conditions fall within preset limits.
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