WOODWARD 9907-014 Speed Controller – Precision Governor Module | WOODWARD EG Series
Engineering Background
WOODWARD is a global leader in energy control solutions, with over a century of engineering heritage in governor and control systems for turbines, engines, and industrial power generation. The WOODWARD 9907-014 is a dedicated speed controller (governor module) engineered for demanding industrial environments where precise rotational speed regulation is mission-critical.
Product Positioning
The 9907-014 serves as the core speed-governing brain in turbine and reciprocating engine control architectures. It is widely deployed in oil & gas, power generation, marine propulsion, and process industries where load-sharing, isochronous speed control, and rapid transient response are non-negotiable requirements. Procurement engineers specify this module as a direct OEM replacement or upgrade component within existing WOODWARD control panels.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 9907-014 |
| Manufacturer | WOODWARD |
| Product Series | EG / Governor Control Series |
| Function | Electronic Speed Controller / Governor Module |
| Control Mode | Isochronous & Droop Speed Control |
| Input Signal | Magnetic Pickup (MPU) Speed Signal |
| Output | Actuator Drive Signal (mA / PWM) |
| Power Supply | 12–24 VDC (nominal) |
| Operating Temperature | -40°C to +85°C |
| Enclosure / Form Factor | DIN-rail / Panel-mount Module |
| Weight | Approx. 1,500 g |
| Compliance | CE, UL (refer to OEM datasheet for full certifications) |
| Condition Available | New OEM / Reconditioned / Exchange |
Note: Full electrical ratings and wiring diagrams are available upon request. Always cross-reference with the official WOODWARD 9907-014 datasheet before installation.
Proven Application Environments
- Oil & Gas: Compressor driver turbines, wellhead gas engines, pipeline booster stations
- Power Generation: Gas turbine gensets, diesel generator isochronous load-sharing panels
- Marine Propulsion: Main engine governor control, shaft speed regulation
- Process Industry: Steam turbine drives for pumps, compressors, and blowers
- Utilities & Grid: Frequency-sensitive governor applications requiring tight droop settings
Engineering Advantages
- Isochronous Precision: Maintains constant speed regardless of load variation — critical for grid-parallel generation
- Rapid Transient Response: Fast PID loop execution minimizes speed deviation during sudden load changes
- Flexible Droop Setting: Adjustable droop percentage enables seamless load-sharing between parallel units
- Robust Signal Conditioning: Integrated MPU signal filtering rejects electrical noise common in industrial environments
- Wide Temperature Range: Qualified for harsh ambient conditions from arctic to tropical installations
- Direct OEM Replacement: Pin-compatible with existing WOODWARD EG-series control panels — zero re-engineering required
System Architecture & Signal Flow
The 9907-014 operates within a closed-loop speed control architecture:
- Speed Sensing: Magnetic Pickup Unit (MPU) reads gear-tooth frequency from the engine/turbine flywheel
- Reference Comparison: Module compares actual speed signal against the internal speed setpoint
- PID Processing: Proportional-Integral-Derivative algorithm calculates corrective output
- Actuator Drive: Output signal drives the fuel control actuator (EG series or equivalent) to correct speed error
- Load Sharing Bus: Optional droop/load-sharing signal interfaces with parallel governor modules
This architecture ensures bumpless transfer, stable steady-state operation, and compliance with NFPA 37 / ISO 8528 speed regulation requirements.
Sourcing & Quality Verification
- All units sourced through authorized industrial distributors or directly from WOODWARD-certified supply chains
- Each module undergoes incoming inspection: visual, label verification, and functional bench test where applicable
- Serialization and firmware version documented at time of shipment
- Counterfeit-prevention: units supplied with original WOODWARD packaging and traceable documentation upon request
- Exchange / reconditioned units carry a minimum 12-month warranty; new OEM units carry full manufacturer warranty
Procurement Process
- Submit RFQ: Email [email protected] with your required quantity, delivery timeline, and site specifications
- Quotation: Receive a formal quotation within 1 business day including unit price, lead time, and shipping options
- Order Confirmation: Purchase order accepted via email; proforma invoice issued for prepayment or net terms (qualified accounts)
- Inspection & Dispatch: Unit inspected, documented, and dispatched with packing list and test report
- After-Sales Support: Technical support available for installation commissioning and parameter configuration
Technical FAQ
Q: Is the WOODWARD 9907-014 compatible with my existing EG actuator?
A: The 9907-014 is designed to interface with WOODWARD EG-series actuators. Confirm actuator model and wiring diagram compatibility before installation.
Q: Can this module be used for both isochronous and droop control?
A: Yes. The droop percentage is field-adjustable, allowing the same module to operate in isochronous (0% droop) or load-sharing droop mode.
Q: What is the lead time for new OEM units?
A: Stock availability varies. Contact us for real-time inventory status. Exchange units are typically available for same-week dispatch.
Q: Do you provide installation and commissioning support?
A: Yes. Our technical team can provide remote commissioning guidance and parameter setting support for qualified engineers.
Q: Is a calibration certificate available?
A: Calibration and test documentation can be provided upon request for units requiring traceability records.
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