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9905-708 | Woodward Digital Synchronizer and Load Control Module

Sku: 9905-708
Country Of Origin: USA
Vendor: Woodward
Type: Digital Synchronizer and Load Control Module

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Product description

Overview

The 9905-708 digital synchronizer module from Woodward delivers precise synchronization and load control for three-phase AC generator systems.
Engineers integrate 9905-708 into generator control panels to coordinate voltage, phase angle, and frequency before breaker closure.

Moreover, 9905-708 belongs to the Woodward DSLC Digital Synchronizer and Load Control series designed for generator paralleling applications.
This controller combines synchronization logic, load sharing, and generator control functions inside one compact industrial module.

Therefore, 9905-708 significantly reduces external wiring, simplifies installation, and improves generator system stability in demanding power environments.

Technical Specifications

Parameter	Specification
Manufacturer	Woodward
Model	9905-708
Product Type	Digital Synchronizer and Load Control Module
Series	DSLC (Digital Synchronizer and Load Control)
Application	Generator synchronization, load sharing, and paralleling control
Compatible Systems	Three-phase AC generator control systems
Control Function	Automatic synchronization, real load sharing, reactive load control
Rated Input Voltage	120 VAC
Frequency Range	50 / 60 Hz power systems
Speed Bias Output	1–5 VDC analog control signal
Voltage Measurement	Potential transformer (PT) input
PT Configuration	Open-Delta configuration
Generator Voltage Sensing	Three-phase voltage sensing through PT inputs
Synchronizing Accuracy	High-precision digital phase and frequency matching
Control Interface	Handheld programmer interface for parameter configuration
Communication Capability	Local monitoring and configuration through programming port
Mounting Type	Panel-mounted industrial control module
Enclosure Material	Industrial metal chassis for vibration resistance
Dimensions	461 mm × 265 mm × 59 mm
Weight	Approximately 0.9 kg (2 lbs)
Operating Temperature	–40 °C to +70 °C
Storage Temperature	–55 °C to +105 °C
Humidity Tolerance	Up to 95% non-condensing
Installation Environment	Generator control cabinets, switchgear panels
Protection Features	Stable synchronization logic and load sharing protection
Power System Compatibility	Utility parallel mode and isolated bus operation
Typical Integration	Generator control panels, turbine control systems, distributed power stations

FAQ

Q1: What is the primary function of the 9905-708 module?
The 9905-708 performs generator synchronization and load sharing within multi-generator power systems.
It continuously compares voltage, frequency, and phase angle before allowing generator breaker closure.

Q2: Which generator systems support the 9905-708 digital synchronizer?
The 9905-708 supports three-phase AC generator systems operating in isolated bus or utility parallel configurations.
Engineers commonly install this module in industrial power plants, marine generators, and backup energy systems.

Q3: What input voltage does the 9905-708 require for operation?
The 9905-708 operates with a 120 VAC power supply and uses potential transformer inputs for voltage sensing.
Additionally, the controller outputs a 1–5 VDC speed bias signal to adjust governor speed control.

Q4: What environmental conditions support reliable operation of 9905-708?
The 9905-708 operates between –40 °C and +70 °C in demanding industrial environments.
It also withstands storage temperatures ranging from –55 °C to +105 °C without component degradation.

Q5: Is the 9905-708 module available in stock and ready for shipment?
Yes. We supply 9905-708 modules as brand-new original factory products with strict quality inspection.
Our warehouse maintains available inventory and we usually ship within 3 days to 2 weeks depending on order size.

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 :

Digital Synchronizer and Load Control Module 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.