描述
Woodward 9907-164数字微处理器控制器模块是伍德沃德（Woodward）公司针对工业涡轮机控制设计的核心设备，属于其经典505/505E系列调速器控制单元的一部分。以下是其综合技术特性与应用概述：
1.产品概述
核心定位：基于微处理器的数字控制器，专为蒸汽涡轮机、燃气涡轮机、水轮机及工业膨胀机设计，用于精确控制转速、负荷及启动/停机流程。
功能覆盖：支持转速控制、功率调节、同步控制（等时模式）、阀门驱动及安全保护，适用于发电、石油化工、冶金等工业场景。
2.核心功能
（1）控制与调节能力
转速与负荷控制：通过分程执行器驱动蒸汽进口阀，实现汽轮机转速与负荷的精确调节，支持蒸汽、燃气及水轮机的启动、停止与并网控制。
同步控制：等时模式下可实现多台机组功率分配与频率同步，保障电网稳定性。
（2）数据采集与监测
实时参数监控：采集转速、温度、压力、功率等关键数据，通过两行24字符显示屏或远程HMI（如OpView、505View）显示运行状态。
数据记录与分析：支持历史趋势分析与故障诊断，优化设备维护策略。
（3）安全与保护机制
临界速度规避：自动避免涡轮机进入共振区域，防止结构损伤。
阀门限制器：限制执行器开度，保护设备免受过载冲击。
紧急停机保护：启动时预设停机先出指示器，防止超速或失控导致人身伤害。
3.技术规格
输入/输出接口：
离散输入：16个触点输入（4专用+12可编程）。
模拟输入：6个4-20mA可编程电流输入。
输出信号：0-10V DC模拟量输出，驱动执行器或阀门。
通信协议：支持RS-232、Ethernet（Modbus）、CANbus等，实现与DCS/PLC系统联动。
物理参数：
尺寸：约15.2×5.1×20.3 cm。
重量：约0.7 kg。
工作温度：-10℃至60℃（或-4°F至+140°F）。
防护等级：IP56（IEC 60529），抗振动与高湿环境。
4.应用场景
发电领域：火力发电、燃气轮机并网控制，保障电网频率稳定。
石油化工：压缩机、泵等设备转速调节，维持生产流程连续性。
冶金行业：轧机、风机负荷控制，优化能源效率。
船舶与海洋：推进系统稳定运行，提升海上平台备用电源可靠性。
Woodward 9907-164 digital microprocessor controller module is a core device designed by Woodward for industrial turbine control and is part of its classic 505/505E series governor control unit.The following is an overview of its comprehensive technical features and applications:
1.Product Overview
Core positioning:A microprocessor-based digital controller designed for steam turbines,gas turbines,water turbines and industrial expanders for precise control of speed,load and start/stop processes.
Function coverage:Supports speed control,power regulation,synchronous control(isochronous mode),valve drive and safety protection,suitable for industrial scenarios such as power generation,petrochemicals,and metallurgy.
2.Core functions
(1)Control and regulation capabilities
Speedand load control:The steam inlet valve is driven by a split-range actuator to achieve precise regulation of turbine speed and load,and supports the start,stop and grid connection control of steam,gas and water turbines.
Synchronous control:In isochronous mode,power distribution and frequency synchronization of multiple units can be achieved to ensure grid stability.
(2)Data collection and monitoring
Real-time parameter monitoring:collect key data such as speed,temperature,pressure,power,etc.,and display the operating status through a two-line 24-character display or remote HMI(such as OpView,505View).
Data recording and analysis:support historical trend analysis and fault diagnosis,and optimize equipment maintenance strategy.
(3)Safety and protection mechanism
Critical speed avoidance:automatically avoid the turbine from entering the resonance area to prevent structural damage.
Valve limiter:limit the actuator opening to protect the equipment from overload shock.
Emergency shutdown protection:preset shutdown first-out indicator at startup to prevent personal injury caused by overspeed or loss of control.
3.Technical specifications
Input/output interface:
Discrete input:16 contact inputs(4 dedicated+12 programmable).
Analog input:6 4-20mA programmable current inputs.
Output signal:0-10V DC analog output,drive actuator or valve.
Communication protocol:Supports RS-232,Ethernet(Modbus),CANbus,etc.,to achieve linkage with DCS/PLC system.
Physical parameters:
Dimensions:about 15.2×5.1×20.3 cm.
Weight:about 0.7 kg.
Operating temperature:-10℃to 60℃(or-4°F to+140°F).
Protection level:IP56(IEC 60529),anti-vibration and high humidity environment.
4.Application scenarios
Power generation:thermal power generation,gas turbine grid connection control,to ensure the stability of grid frequency.
Petrochemical:speed regulation of compressors,pumps and other equipment to maintain the continuity of production processes.
Metallurgical industry:rolling mill,fan load control,optimize energy efficiency.
Ship and ocean:stable operation of propulsion system,improve the reliability of backup power supply for offshore platforms.
