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Woodward 8444-1090
Product Overview: High-precision integrated measurement and protection device for power quality monitoring, adopts 32-bit high-speed sampling chip, completes three-phase electrical parameter full acquisition and calculation, integrates grid decoupling protection, fault ride-through logic and data transmission function. Standard industrial rail installation, compact structure, stable long-term operation, compatible with new energy power generation and traditional thermal power control system.
Detailed content
Technical Specifications:
Working power: 8VDC～32VDC universal 12/24VDC
Measurement accuracy level: 0.5S high precision grade
Frequency measurement range: 45Hz～65Hz
Analog output signal: 0-10V / 4-20mA programmable
Communication interface: Standard Modbus RTU RS485
Working temperature: -20℃～+70℃
Storage temperature: -40℃～+85℃
Protection grade: IP20 internal circuit protection
Shell material: Flame retardant engineering plastic
Functional Characteristics:
Simultaneous calculation and output of active power, reactive power, apparent power and power factor
Built-in four groups of time-dependent undervoltage protection logic, fully meet FRT fault ride-through technical requirements
Support three-phase unbalance degree, harmonic component real-time monitoring
Parameter free programming via upper computer software, all protection threshold and time limit adjustable
With fault event recording and historical data storage function
Modbus communication supports real-time data uploading and remote parameter setting
Low temperature drift and high long-term stability, no regular calibration required
Application Scenarios: Wind power generation system, photovoltaic grid-connected cabinet, industrial mains decoupling protection, generator parallel operation cabinet, power quality monitoring room, petroleum and chemical industrial power control system.
