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Product Introduction
The Woodward 9907-014 is a high-precision electronic speed controller used in a wide variety of industrial and power generation applications. Engineered for use with Woodward’s Electronic Governor Systems (EGS), this controller is designed to provide stable, responsive, and reliable speed regulation for diesel and gas engines.
As a key component of Woodward’s governor product family, the 9907-014 excels in maintaining engine speed in both isochronous and droop modes, ensuring precise control under varying load conditions. It can operate as a standalone speed controller or be integrated into more complex control architectures, offering flexibility and performance in equal measure.
This controller is widely used in generator sets, marine propulsion systems, compressor drives, and industrial engines, delivering consistent performance in the most demanding environments. With rugged construction and industrial-grade reliability, the 9907-014 is a preferred choice for OEMs and system integrators worldwide.
Product Specifications
| Parameter | Details |
|---|---|
| Model | 9907-014 |
| Product Type | Electronic Speed Controller |
| Control Mode | Isochronous / Droop |
| Engine Type Compatibility | Diesel and Gas Engines |
| Speed Range | 500 – 10,000 RPM |
| Speed Signal Input | Magnetic Pickup (MPU), 1–30 Vrms at 30–10,000 Hz |
| Actuator Output | Proportional (PWM/DC) |
| Adjustment Options | Gain, Stability, Droop, Idle, Max Speed via potentiometers |
| Power Supply | 18–32 VDC |
| Power Consumption | <10 W |
| Operating Temperature | –40 °C to +85 °C (–40 °F to +185 °F) |
| Storage Temperature | –55 °C to +95 °C |
| Humidity | 5%–95% RH, non-condensing |
| Mounting | Panel or Chassis Mount |
| Status Indication | LED indicators for diagnostics |
| Protection Features | Overspeed protection, power fault detection |
| Dimensions | 292 × 171 × 57 mm |
| Weight | 1.22 kg |
| Compliance | CE, UL Recognized, CSA, RoHS Compliant |
| Typical Response Time | <150 ms |
Applications
The Woodward 9907-014 Speed Controller is widely used across industrial and energy sectors where reliable engine speed regulation is critical:
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Generator Sets (Gensets): Maintains constant speed for frequency stability during load variations.
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Marine Propulsion Systems: Ensures steady propulsion speed for improved fuel efficiency and control.
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Compressor and Pump Drives: Controls motor-driven equipment in oil & gas and utility sectors.
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Industrial Engines: Suitable for sawmills, material handling, and other heavy-duty machinery.
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Turbine Starters: Assists in controlled turbine startup via precise acceleration control.
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Remote Installations: Offers robust performance in remote or unmanned sites under harsh conditions.
Advantages
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Precise Speed Regulation: Maintains accurate speed under varying load conditions using isochronous or droop mode.
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Robust Construction: Industrial-grade housing and wide temperature range enable use in demanding environments.
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Quick Response Time: Fast-acting control loop ensures minimal speed fluctuation during load changes.
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Flexible Integration: Compatible with various Woodward actuators and magnetic pickups.
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Easy Field Adjustment: Onboard potentiometers allow for real-time fine-tuning during commissioning.
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Fail-Safe Protections: Includes overspeed protection and fault detection features to prevent engine damage.
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Low Power Requirement: Operates efficiently on standard 24 VDC supply, minimizing system load.
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Maintenance-Free: Solid-state electronics reduce wear and the need for periodic servicing.
Frequently Asked Questions (FAQ)
1. What does the 9907-014 control?
It regulates engine speed in diesel and gas engines for power generation and industrial applications.
2. What kind of speed sensing does it support?
It supports magnetic pickup (MPU) speed sensors in the 1–30 Vrms range.
3. Can it be used with both isochronous and droop modes?
Yes, it supports both control modes, selectable via onboard settings.
4. Is it compatible with Woodward actuators?
Yes, it’s designed to work seamlessly with Woodward proportional actuators.
5. Does it include any protection features?
Yes, it includes overspeed protection, power loss detection, and LED diagnostics.
6. What is the power supply requirement?
It operates on a DC voltage between 18 and 32 VDC.
7. How is tuning performed?
Tuning is done using potentiometers for parameters like gain, stability, and droop.
8. Can it be used in marine environments?
Yes, with proper housing or enclosure, it performs reliably in marine engine control systems.
9. Is software required for setup?
No software is needed—adjustments are made manually via hardware.
10. What is its typical application in a genset?
It maintains engine speed to stabilize generator output frequency under varying loads.
Related Models from the Same Series
| Model | Description |
|---|---|
| 9907-015 | Speed Controller with Extended Frequency Range |
| 9907-167 | ProAct Digital Plus Speed/Position Controller |
| 9907-205 | Advanced Analog Speed Control with Enhanced Features |
| 9907-013 | EPG Speed Controller for Small Gensets |
| 2301A | Analog Load Sharing and Speed Control Module |
| 2301E | Digital Speed and Load Sharing Controller |
Popular Models from Woodward
| Model | Description |
|---|---|
| 505XT | Steam Turbine Controller for Extraction/Admission Applications |
| 2301D | Digital Load Sharing and Speed Controller |
| 8440-2083 | EasyGen 3000 Series Generator Controller |
| 9905-940 | SPM-D10 Synchronizer Without Load Control |
| 5418-752 | MicroNet Plus CPU Module |
| 9907-005 | Master Synchronizer with Load Control |
