Présentation du produit
The Woodward 9907-175A Load Sharing Module is a high-performance analog controller designed to manage real-time load distribution among multiple generators operating in parallel. Engineered for precision and stability, this module ensures that electrical loads are shared proportionally, preventing individual generator overloads and improving overall system efficiency.
Part sur Woodward’s renowned analog control product line, the 9907-175A plays a critical role in both islanded and grid-connected generator systems. It balances the load by adjusting the torque bias signal sent to electronic or mechanical governors, maintaining synchronization and stability across unités.
The 9907-175A is well-suited for use in mission-critical applications, such as power stations, marine power plants, industrial generator banks, and backup power systems. Its rugged construction and wide environmental tolerance make it ideal for harsh operating conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Load Sharing Module |
| Modèle Number | 9907-175A |
| Fabricant | Woodward, Inc. |
| Function | Load sharing for parallel generator systems |
| Input Voltage | 18–32 V DC (nominal 24 V DC) |
| Power Consumption | < 250 mA |
| Load Partager Line Impedance | 500 Ω (typical) |
| Torque Bias Output | ±5 V DC (analog) |
| Compatibility | Works with analog governors and Woodward speed controls |
| Mounting Style | Panel mount / DIN rail |
| Operating Temperature | –40 °C to +85 °C |
| Storage Temperature | –55 °C to +105 °C |
| Protection Features | EMI shielding, reverse polarity protection |
| Construction | Coated metal enclosure |
| Dimensions (W × H × D) | 355.6 x 279.4 x 101.6 mm |
| Poids | 1.85 kg |
| Certifications | CE, UL, RoHS |
Product Applications
The 9907-175A is widely used in generator control systems where reliable load balancing is essential:
-
Industrial Power Plants
Balances multiple generator unités to optimize system output and performance. -
Marine Generator Systems
Ensures proper power distribution between main and auxiliary marine generators. -
Backup Power Systems
Used in hospitals, data centers, and airports to manage standby generator sets. -
Oil & Gas Fields
Distributes load among generators in isolated or remote environments. -
Mining and Heavy Industry
Supports continuous operation sur critical processes through load sharing. -
Microgrids & Renewable Integration
Enables synchronized generator operation with renewable or utility systems.
Product Advantages
-
Accurate Load Distribution
Prevents generator overloading and ensures efficient parallel operation. -
Wide Compatibility
Integrates with both mechanical and electronic governors using analog bias signals. -
Durable Design
Operates reliably in extreme environmental conditions and industrial settings. -
Low Power Operation
Consumes minimal current, reducing strain on auxiliary systems. -
Fast Response Time
Reacts quickly to load fluctuations, minimizing system instability. -
Proven Reliability
A long-standing industry standard trusted in mission-critical operations worldwide.
Questions fréquentes (FAQ)
-
Q: What is the main difference between the 9907-175 and the 9907-175A?
A: The 9907-175A includes refinements for improved compatibility and performance across a wider range sur analog governor systems. -
Q: What is the typical use case for this module?
A: It is primarily used in generator sets to evenly distribute load among unités operating in parallel. -
Q: Is it compatible with digital governors?
A: It is designed for analog systems but may interface with digital controls using analog bias outputs. -
Q: Does it require ssurtware configuration?
A: No ssurtware is required; it uses analog voltage signals and wiring adjustments for configuration. -
Q: What are the mounting options for the 9907-175A?
A: It supports both panel mounting and DIN rail installations. -
Q: How is it powered?
A: The module operates on 18–32 V DC, typically from a 24 V system. -
Q: What happens if one generator loses connection with the module?
A: Load imbalance may occur, and the affected generator will likely default to local control until restored. -
Q: Is reverse polarity protected?
A: Yes, it includes reverse polarity protection for safe installation. -
Q: Can this module work in outdoor environments?
A: Yes, when installed in a properly enclosed panel; it tolerates –40 °C to +85 °C. -
Q: Is this model CE and UL certified?
A: Yes, it complies with CE, UL, and RoHS standards.
Related or Compatible Modèles (Same Series or Function)
| Modèle Number | Description | Function | Compatibility |
|---|---|---|---|
| 9907-167 | Standard Load Sharing Module | Analog load control | Similar functionality |
| 9905-757 | Synchronizer Module | Generator synchronization | Often paired with 9907 modules |
| 2301A | Analog Load Sharing and Speed Control | Dual-function controller | Generator sets and turbines |
| 8440-2088 | DSLC-II Digital Controller | Digital load sharing & sync | Modern replacement with display |
| 9905-840 | Speed/Load Sharing Controller | Load + speed control | Compatible with Woodward actuators |
| 8237-124 | Interface Distribution Module | Signal routing and interfacing | Analog control systems |
Popular Woodward Modèles in Power & Engine Control
| Modèle Number | Description | Catégorie | Typical Use Case |
|---|---|---|---|
| 2301D Digital | Digital Speed & Load Sharing Controller | Governor Controller | Generator and turbine control |
| EASYGEN-3200XT | Generator Set Controller | Genset Automation | Backup and main power systems |
| 505XT | Steam/Gas Turbine Control | Turbine Controller | Process industries |
| SPM-D2 | Digital Synchronizer | Generator Synchronization | Utility and microgrid sync |
| Atlas-II | Large Engine Control Platform | Engine Controller | High-power reciprocating engines |
| ProAct Integrated | Electric Actuator with Integrated Controller | Actuation and Control | Fuel and airflow control |
Informations sur l'entreprise
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