Technical Specifications Generator voltage sensing: 120–480 V AC, 50/60 Hz; excitation output: up to 7 A DC; 24 V DC control supply; 8 digital I/O; 4 analog inputs; Modbus RTU communication; operating temperature: -20°C to +70°C; IP40 enclosure.
Functional Features Automatic voltage regulation (AVR); power factor control; over/under voltage and frequency protection; over excitation limiting; soft start voltage build-up; generator metering.
Application Scenarios Standby generator excitation control, small power plant voltage regulation, diesel generator set control, off-grid power systems.
Performance Parameters ±0.5% steady-state voltage regulation; fast transient response; reliable protection tripping; stable parallel operation.
Material Composition Sheet steel enclosure, power electronics circuit board, microprocessor controller, voltage sensing transformers, insulated power terminals.
Structural Characteristics Panel mount enclosure; front status LEDs and configuration port; rear power and signal terminals; mounting brackets for panel fixation.
Working Principle Senses generator output voltage and current, executes digital voltage regulation algorithm, controls excitation output to maintain target voltage, and provides protection functions and system communication.
Installation Requirements Mount on generator control panel; connect generator voltage sensing and excitation wiring; wire control and protection circuits; configure setpoints via service software.
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