Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Woodward 9905-377 is a high-performance load sharing and speed controller designed for generator sets, turbines, and other rotating machinery. It enables precise load distribution, speed regulation, and synchronization, ensuring optimal power output, reduced mechanical stress, and stable operation across parallel-connected generators.
Key Features
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Precise load sharing among multiple generators
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Accurate speed and frequency control for rotating machinery
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Supports parallel operation of generators with synchronization
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Compatible with Woodward 9905 control modules and networks
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Rugged design suitable for industrial and power generation environments
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User-friendly interface for configuration and monitoring
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Reduces mechanical stress and improves operational efficiency
Technical Specifications
| Item | Specification |
|---|---|
| Model Number | 9905-377 |
| Series | 9905 |
| Type | Load Sharing and Speed Controller |
| Input Voltage | 24–125 VDC / 110–240 VAC (system dependent) |
| Frequency Range | 45–65 Hz |
| Speed Control Accuracy | ±0.25% of rated speed |
| Load Sharing Accuracy | ±2% of full load |
| Response Time | <50 ms |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | Up to 95% non-condensing |
| Mounting | Panel or DIN rail mount |
| Dimensions | 200 × 150 × 80 mm |
| Weight | 1.85 kg |
| Compliance | CE, UL, RoHS |
Industry Applications
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Power Generation – multi-generator synchronization and load management
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Oil & Gas – turbine and compressor speed/load control
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Marine & Aerospace – parallel generator and engine load sharing
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Industrial Manufacturing – motor and machinery load control
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Renewable Energy – distributed generator synchronization
Advantages
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Provides accurate load sharing and speed control for parallel generators
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Minimizes mechanical stress and extends equipment life
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Enhances operational efficiency and power quality
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Rugged design for reliable operation in industrial environments
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Easy integration with Woodward 9905 control modules
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Supports both automated and manual control modes
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the 9905-377?
It provides precise load sharing and speed control for generators and rotating machinery.
Q2: Which systems is it compatible with?
Compatible with Woodward 9905 control modules and industrial generator networks.
Q3: What is the input voltage?
24–125 VDC or 110–240 VAC depending on system configuration.
Q4: What is the frequency range?
45–65 Hz.
Q5: How accurate is the speed control?
±0.25% of rated speed.
Q6: How accurate is the load sharing?
±2% of full load.
Q7: What is the response time?
Less than 50 ms.
Q8: What is the operating temperature range?
-20 °C to +70 °C.
Q9: What are its dimensions?
Approx. 200 mm × 150 mm × 80 mm.
Q10: Which industries commonly use this controller?
Power Generation, Oil & Gas, Marine & Aerospace, Industrial Manufacturing, and Renewable Energy.
Related Woodward Modules
| Model Number | Description |
|---|---|
| 9905-708 | Digital Synchronizer and Load Controller |
| 9905-002N | SPM-A Synchronizer |
| 9905-001 | SPM-A Synchronizer |
| 9905-010N | Generator Control Module |
| 9905-020N | Turbine Control Module |
| 9905-2000 | Communication Interface Module |
Popular Woodward Modules
| Model Number | Description |
|---|---|
| 9905-708 | Digital Synchronizer and Load Controller |
| 9905-002N | SPM-A Synchronizer |
| 9905-001 | SPM-A Synchronizer |
| 9905-010N | Generator Control Module |
| 9905-020N | Turbine Control Module |
| 9905-2000 | Communication Interface Module |
