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9905-377 | Woodward 2301A LOAD SHARING SPEED CONTROL

Sku: 9905-377
Country Of Origin: USA
Vendor: Woodward
Type: 2301A LOAD SHARING SPEED CONTROL

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Product description

Overview

The 9905-377 Woodward 2301A Load Sharing Speed Control is a robust electronic governor controller designed for precise engine speed regulation and reliable load sharing in generator and industrial engine applications. This controller is widely used in power generation systems where stable frequency control and synchronized load distribution are critical for operational efficiency.

Engineered by Woodward, a globally recognized leader in turbine and engine control technologies, the 2301A controller delivers dependable performance in demanding industrial environments. Moreover, the unit integrates advanced analog control circuitry that enables accurate speed sensing and responsive governor control.

Therefore, the 9905-377 controller is commonly selected for diesel or gas engines used in generator sets, marine propulsion systems, and mechanical drive applications. Its durable design and proven control architecture ensure long-term reliability and stable system performance.

Technical Specifications

Parameter	Specification
Manufacturer	Woodward
Model Number	9905-377
Product Series	2301A
Product Type	Load Sharing Speed Control Module
Control Function	Electronic governor for engine speed control and generator load sharing
Control Modes	Isochronous control and droop speed control
Typical Application	Diesel and gas engine generator sets operating in parallel
Power Supply Voltage	18–32 VDC
Power Consumption	Typically < 15 W
Speed Sensor Type	Magnetic pickup (MPU)
Speed Signal Frequency Range	Approx. 1000 – 9000 Hz
Speed Control Accuracy	±0.25% of rated speed
Steady-State Regulation	Isochronous mode: ±0.25%
Droop Adjustment Range	Typically 0–5% adjustable
Load Sharing Capability	Parallel generator load sharing with other 2301A controllers
Actuator Output Signal	Proportional actuator drive signal
Compatible Actuators	Woodward proportional actuators (e.g., EG-3P, EGB series)
Speed Setpoint Adjustment	Local potentiometer or external reference input
External Speed Trim Input	Supported
Idle Speed Adjustment	Adjustable via control settings
Acceleration Control	Adjustable ramp rate
Stability Adjustment	Gain and stability tuning available
Load Gain Adjustment	Adjustable load sharing gain
Frequency Response	Designed for rapid load response and stable recovery
Start Fuel Limiting	Adjustable start fuel limit for safe engine startup
Overspeed Protection Interface	Compatible with external overspeed protection systems
Signal Isolation	Internal filtering for noise rejection
Mounting Type	Panel or cabinet mounting
Housing Material	Industrial-grade metal enclosure
Cooling Method	Natural convection
Operating Temperature Range	-40°C to +70°C
Storage Temperature	-55°C to +105°C
Relative Humidity	Up to 95% non-condensing
Vibration Resistance	Designed for industrial engine environments
Electrical Connections	Terminal block wiring
Dimensions (Approx.)	241 × 165 × 64 mm
Weight (Approx.)	1.8 – 2.2 kg
Certification / Standards	Designed to meet industrial engine control requirements
Typical Installation Environment	Power plants, marine engine rooms, generator control panels

FAQ

Q1: What is the main function of the Woodward 2301A controller?
The 2301A controller regulates engine speed and manages load sharing between multiple generators operating in parallel.

Q2: Can the 9905-377 controller support both droop and isochronous modes?
Yes. The controller supports both operating modes depending on system configuration and generator synchronization requirements.

Q3: What type of speed signal does the controller use?
The controller typically receives speed feedback from a magnetic pickup sensor installed near the engine flywheel.

Q4: Is this controller compatible with diesel and gas engines?
Yes. The Woodward 2301A controller works with many diesel or gas engines used in industrial generator applications.

Q5: Is the module suitable for continuous industrial operation?
Yes. The controller is designed for reliable long-term operation in power plants, marine systems, and industrial facilities.

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

Related Tags :

Woodward

Frequently Asked Questions

Question 1: Is Our Price Competitive?

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.