Company Information | ||||||||
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Mobile | +8613666033393 | |||||||
+8613666033393 | ||||||||
13666033393 | ||||||||
Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Introduction
The Woodward 9907-838 Load Sharing Module is a critical component in power generation and industrial turbine systems, designed to optimize load distribution between multiple generating units. This module plays a vital role in ensuring stable parallel operation by accurately measuring, comparing, and adjusting the load between engines or turbines to maintain system balance.
Engineered for reliability and ease of integration, the 9907-838 supports analog and digital inputs for precise load monitoring and control. It is especially suitable for use in complex multi-unit power plants, where synchronization and load sharing are essential for operational efficiency, fuel savings, and equipment longevity.
This load sharing module provides rugged hardware design combined with flexible control logic, making it a preferred choice for industries including power generation, oil & gas, and marine propulsion systems.
Product Specifications
Parameter | Value |
---|---|
Model Number | Woodward 9907-838 |
Function | Load Sharing and Load Demand Control |
Power Supply | 18–32 VDC |
Inputs | 4–20 mA analog, frequency inputs |
Outputs | Relay outputs, 4–20 mA analog output |
Communication | Modbus RTU (RS-485) |
Operating Temperature Range | -20°C to +70°C |
Enclosure Protection | NEMA 4X / IP65 (front panel) |
Mounting Type | Panel Mount |
Configuration | Via front panel and remote interface |
Dimensions (H × W × D) | 250 × 160 × 50 mm |
Weight | 1.2 kg |
Product Applications
The 9907-838 Load Sharing Module is widely used in scenarios requiring precise load management and coordination, including:
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Parallel operation of multiple gas or steam turbines in power plants
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Diesel generator sets working in synchronization for industrial or backup power
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Combined heat and power (CHP) systems for balanced power distribution
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Marine propulsion systems with multiple engine synchronization
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Oil & gas compression stations where multiple prime movers share load
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Grid-tied distributed energy resources needing reliable load sharing
Product Advantages
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Accurate Load Distribution: Ensures smooth, proportional load sharing among multiple generating units, avoiding overloads and inefficiencies.
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Flexible Input/Output Options: Supports various signal types for easy integration with existing control systems.
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Reliable Communication: Modbus RTU enables remote monitoring and configuration.
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Rugged Industrial Design: Rated for harsh environments with broad temperature tolerance and ingress protection.
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User-Friendly Configuration: Local front panel interface combined with remote configuration capabilities.
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Fail-Safe Operation: Includes self-diagnostics and alarms to detect faults or load imbalances promptly.
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Reduces Wear and Fuel Consumption: By optimizing load sharing, it extends equipment life and reduces operating costs.
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Compatible with Woodward Control Systems: Designed to work seamlessly with other Woodward turbine and engine controls.
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Improved System Stability: Enhances power system stability during load changes or disturbances.
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Certified for Industrial Use: Complies with industry standards ensuring dependable long-term operation.
Frequently Asked Questions (FAQ)
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What is the main function of the Woodward 9907-838?
It manages and controls the load sharing between multiple generators or turbines operating in parallel. -
Can the 9907-838 be integrated into existing power plant control systems?
Yes, it supports Modbus RTU communication for seamless integration with plant DCS or SCADA systems. -
What types of inputs does the module accept?
It accepts analog 4–20 mA signals and frequency inputs for load measurement. -
How is the device configured?
Configuration can be done via the front panel or remotely through Modbus communication. -
Is the 9907-838 suitable for marine applications?
Yes, it is designed to withstand harsh environments including marine propulsion system conditions. -
What is the operating temperature range?
The module operates reliably between -20°C and +70°C. -
Does it support fail-safe operation?
Yes, it includes self-diagnostics and alarms to alert operators of faults. -
What are the dimensions and weight of the module?
The unit measures 250 × 160 × 50 mm and weighs 1.2 kg. -
Can the module manage load sharing for both gas and steam turbines?
Yes, it is compatible with both turbine types and diesel generators. -
What are the benefits of using this load sharing module?
It improves equipment lifespan, reduces fuel costs, ensures balanced load distribution, and enhances overall power system stability.
Related Models in the Same Series or Functionality
Model | Description | Key Features |
---|---|---|
9907-345 | ProTech Overspeed Protection System | Safety-focused overspeed trip system |
9907-838D | Digital Load Sharing Module | Enhanced digital interface and diagnostics |
2301D | Load Sharing and Speed Control Module | Engine and turbine load sharing |
505E | Steam Turbine Controller with Load Sharing | Integrated turbine control and load sharing |
723PLUS | Engine Management and Load Sharing System | Comprehensive engine controls |
9907-827 | 505 Speed Regulator with Load Demand Control | Digital speed and load control |
Popular Woodward Models
Model | Function | Application |
---|---|---|
2301D Digital | Load Sharing & Speed Control | Generator synchronization and load sharing |
505XT | Advanced Steam Turbine Controller | Complex turbine control with sequencing |
723PLUS | Engine Management System | Diesel and gas engine automation |
easYgen-3500 | Generator Control and Synchronization | Synchronization of multiple generators |
Atlas II | Programmable Turbine Control Platform | High-end turbine automation |
ProTech-GII | Safety Trip and Protection System | Overspeed and emergency shutdown protection |