The Woodward 9907-175A Load Sharing Module provides precise load balancing for parallel generator systems. It delivers pulse width modulated output control for accurate actuator positioning. Moreover, the module enhances stability when multiple engines operate in parallel configurations. Power producers rely on it to maintain equal load distribution under varying demand conditions.
The 9907-175A integrates seamlessly with Woodward governors and engine control platforms. Therefore, it simplifies system architecture while preserving reliable performance standards. Engineers appreciate its predictable response and consistent control accuracy during transients. In addition, rugged industrial construction ensures long-term durability in harsh operating environments.
Technical Specifications
Parameter
Specification
Manufacturer
Woodward
Model
9907-175A
Product Type
Load Sharing Module
Output Signal Type
Pulse Width Modulated (PWM)
Control Function
Generator load sharing and balancing
Compatible Systems
Parallel diesel and gas generator sets
Power Supply Voltage
18–32 VDC (24 VDC nominal)
Power Consumption
Typically less than 10–15 W
Load Sharing Method
Analog load sharing line
Output Frequency
PWM signal optimized for actuator control
Output Drive Capability
Compatible with Woodward proportional electric actuators
Speed Control Interface
Designed to interface with Woodward speed controllers
Adjustment Parameters
Gain and stability adjustments accessible via trim controls
Transient Response
Fast dynamic response for load acceptance and rejection
Steady-State Load Accuracy
High precision load distribution across generators
Protection Features
Internal signal conditioning and noise immunity
Operating Temperature Range
–40°C to +70°C
Storage Temperature Range
–55°C to +105°C
Relative Humidity
Up to 95% non-condensing
Vibration Resistance
Suitable for engine-mounted or panel-mounted installations
Shock Resistance
Industrial generator and marine-rated environments
Mounting Method
Panel or enclosure mounting
Enclosure Type
Industrial-grade metal housing
Status Indicators
LED indicators for operational diagnostics
Application Environment
Industrial, marine, standby, and prime power systems
FAQ
Q1: What is the primary function of the Woodward 9907-175A? A: It balances generator load between multiple engines using PWM output control.
Q2: Is the 9907-175A suitable for parallel generator systems? A: Yes, it is specifically designed for stable parallel load sharing applications.
Q3: What type of output does the module provide? A: The module provides a pulse width modulated signal for actuator control.
Q4: Can it operate in harsh industrial environments? A: Yes, it supports wide temperature ranges and vibration-prone installations.
Q5: Does it integrate with other Woodward controllers? A: Yes, it integrates smoothly with compatible Woodward digital and analog governors.
Installation Notes
Install within Woodward control racks or cabinets
Connect directly to magnetic pickup sensors near turbine or engine shafts
Use proper wiring and shielding to prevent electrical noise interference
Calibration and verification of MPU signals may be required during commissioning
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
