WOODWARD 9907-1200

Description

WOODWARD 9907-1200 Digital Turbine Governor Controller

1.Product Description

The WOODWARD 9907-1200 is a high-performance digital governor controller designed for steam,gas,and hydro turbines,offering precise speed regulation,load control,and protection functions.As part of Woodward’s 505/505E series,it integrates advanced microprocessor technology with a user-friendly interface to optimize energy efficiency and system reliability.Key features include adaptive PID tuning,critical speed avoidance,and real-time diagnostics.The controller supports single or dual split-stage actuators,making it suitable for power generation,oil&gas,and industrial automation applications.

2.Product Parameters

Parameter Specification

Input Voltage 18–36 VDC(low-voltage)or 88–150 VDC(high-voltage)

Output Signals 2×4–20 mA(actuator control)

Communication RS-232/RS-422(Modbus RTU),Ethernet(Modbus TCP)

Control Modes Speed,load,and synchronization

Operating Temperature-40°C to+60°C(-40°F to+140°F)

Weight 9.11 lbs(4.13 kg)

3.Advantages and Features

Precision Control:

±0.1%speed accuracy and<100ms response time for dynamic load changes.

Adaptive PID tuning reduces overshoot by 30%compared to legacy systems.

Fault Detection:

Self-diagnostics and first-out shutdown indicators minimize downtime.

Built-in surge protection and EMI shielding enhance reliability.

Flexibility:

Configurable for single/multi-unit operations via front-panel LCD or Woodward’s OP View™software.

Supports critical speed avoidance for up to 3 resonant frequencies.

4.Application Areas and Case Studies

Power Generation:Optimizing steam turbine performance in thermal power plants.

Oil&Gas:Controlling compressor trains in refineries.

Industrial Automation:Regulating rotating equipment in manufacturing.

Case Study:

A U.S.power plant using the 9907-1200 reduced fuel consumption by 15%and improved load stability,achieving 99.5%uptime over 12 months.

5.Competitive Comparison

The 9907-1200 outperforms competitors with:

Dual Voltage Options:Low-and high-voltage compatibility.

Integrated Safety:Combines governor control and protective shutdown in one unit.

Longevity:15+years of field-proven reliability in Woodward’s 505 series.

6.Selection Recommendations

Voltage Requirements:Choose low-voltage(18–36 VDC)or high-voltage(88–150 VDC)models based on system needs.

Environment:Ensure temperature range(-40°C to+60°C)matches installation conditions.

Budget:Consider refurbished units for cost savings without compromising performance.

7.Precautions

Installation:Use shielded cables to prevent EMI interference.

Calibration:Schedule annual checks to verify sensor accuracy.

Firmware Updates:Regularly update via Woodward’s software to access new features.