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8440-1706 | Woodward SPM-D11 Series Load Share Synchronizer

Sku: 8440-1706
Country Of Origin: USA
Vendor: Woodward
Type: SPM-D11 Series Load Share Synchronizer

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Product description

Overview

The 8440-1706 SPM-D11 Series Load Share Synchronizer delivers precise generator synchronization and load control for complex power systems.
This controller supports safe paralleling of generators with utility or bus systems in demanding industrial environments.
Engineers trust the SPM-D11 platform for reliable frequency matching, voltage regulation, and phase angle alignment.
Moreover, the module simplifies multi-generator load sharing without requiring extensive custom programming.
It integrates seamlessly with Woodward governors and excitation systems for coordinated power management performance.

The 8440-1706 model suits applications where accurate synchronization, stable load distribution, and fast response remain essential.
Therefore, it becomes a practical solution for facilities requiring uninterrupted power and grid compliance.

Technical Specifications

Parameter	Specification
Manufacturer	Woodward
Model Number	8440-1706
Series	SPM-D11
Product Type	Load Share Synchronizer
Primary Function	Automatic generator synchronization and kW load sharing
Application Scope	Generator-to-generator and generator-to-utility paralleling
Voltage Sensing Input	3-phase AC measurement
Nominal Voltage Range	50–600 VAC (via potential transformer as required)
Frequency Measurement Range	45–65 Hz
Frequency Accuracy	±0.01 Hz typical
Phase Angle Detection	Continuous 0–360° comparison
Voltage Matching Accuracy	±1% typical
Slip Frequency Control	Adjustable setpoint
Synchronization Mode	Automatic with manual assist capability
Breaker Close Output	Relay contact, controlled close command
Close Window Setting	Adjustable phase and frequency window
Dead Bus Closing	Supported with configurable logic
Load Sharing Method	Isochronous kW sharing and droop control
Base Load Control	Supported
kW Sharing Accuracy	±2% typical between parallel units
Reverse Power Monitoring	Configurable alarm and trip function
Speed Bias Outputs	Raise / Lower discrete outputs
Voltage Bias Outputs	Raise / Lower discrete outputs
Relay Outputs	Multiple configurable industrial relay contacts
Power Supply Options	88–132 VAC or 90–150 VDC typical
AC Supply Frequency	50/60 Hz
Power Consumption	Low power industrial design
Mounting Type	Panel-mounted
Operating Temperature	-20°C to +70°C typical
Storage Temperature	-40°C to +85°C
Relative Humidity	Up to 95% non-condensing
Vibration Resistance	Suitable for engine-generator environments
EMC Immunity	Designed for industrial electrical noise environments
Status Indication	Front-panel LED indicators
Protection Features	Over/under voltage, over/under frequency, out-of-sync detection

FAQ

Q1: What is the primary function of the 8440-1706 SPM-D11?
A: It synchronizes generators to a live bus or utility and manages load sharing between parallel units.

Q2: Can this module support multiple generators in parallel?
A: Yes, it supports multi-generator systems using isochronous or droop load sharing methods.

Q3: Does the SPM-D11 provide automatic breaker control?
A: Yes, it issues controlled breaker close commands after verifying voltage, frequency, and phase alignment.

Q4: Is it suitable for marine or offshore installations?
A: Yes, many marine and offshore systems use SPM-D11 synchronizers for stable onboard power management.

Q5: Does it integrate with Woodward governors and AVR systems?
A: Yes, it integrates smoothly with Woodward speed controls and excitation systems for coordinated control.

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 :

SPM-D11 Series Load Share Synchronizer 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.