Digital guide
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Woodward 505 9907-164
Product Overview: Classic panel-mounted microprocessor digital governor, specially designed for single actuator and double actuator steam turbine units, integrate speed closed-loop control, extraction pressure control, admission pressure control and generator load control. With independent keyboard display panel, complete internal logic algorithm, no need for external auxiliary controller, can independently complete all automatic control functions of steam turbine.
Detailed content
Technical Specifications:
Working power supply: 24VDC industrial power supply
Actuator output: 2 sets of independent actuator driving output
Relay output: 8 sets of programmable relay contact output
Analog current output: 6 sets of configurable 4-20mA signal output
Communication port: RS232 / RS422 / RS485 multi-port optional
Display screen: 24 character two-line backlight LCD
Operating keyboard: 30 keys dedicated function setting keyboard
Working temperature: -40℃～+85℃
Overall weight: 4.13kg
Functional Characteristics:
Suitable for single extraction, double extraction and admission type steam turbine comprehensive control
Automatic speed regulation, synchronous grid connection, base load and peak load operation mode switching
Built-in turbine heat engine parameter limit protection and interlock protection function
All control parameters, protection thresholds and logic curves can be set through local keyboard or upper computer
With running data real-time display, fault record and event history query function
Multiple communication interfaces support docking with industrial DCS and remote monitoring system
Industrial grade whole machine design, long-term continuous operation without downtime maintenance
Application Scenarios: Industrial waste heat steam turbine, small and medium-sized thermal power plant steam turbine, chemical plant turbo expander unit, sugar factory and paper mill self-provided power station steam turbine unit.
