Digital guide
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Woodward 8440-1946
Product Overview
Microprocessor based integrated protection and synchronization relay, used for generator set grid connection inspection, breaker control and electrical parameter protection. Adopt high precision AC sampling chip, real-time monitor three-phase voltage current frequency and power parameters, integrate synchro check overvoltage undervoltage overfrequency reverse power multiple protection functions, compact structure suitable for control cabinet embedded installation.
Detailed content
Technical Specifications
Working Power Supply：8VDC～40VDC wide voltage universal 12/24VDC
Rated Measurement Voltage：Up to 600VAC phase to phase
Rated Input Current：5AAC standard access
Working Temperature：-20℃ to +70℃
Humidity Range：0%～95% non-condensing environment adaptation
Functional Characteristics
Automatic synchronization inspection and dead bus closing logic configuration
True RMS full parameter high precision measurement and calculation
Multi-layer password authority management to prevent unauthorized parameter modification
Support Modbus RTU communication for remote monitoring and parameter setting
Internal hardware and software double filtering to suppress harmonic interference
Application Scenarios
Generator set parallel synchronization cabinet，industrial power distribution system，micro-grid grid-connected control，marine power system distribution cabinet，data center dual power switching control。
