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Woodward 8440-1706 B Synchronizer Module

The Woodward 8440-1706 B functions as a microprocessor-based synchronizing and load control unit for generator sets operating in parallel or grid-connected configurations. It ensures safe synchronization by continuously monitoring electrical parameters and executing precise breaker control logic.

The module supports multiple operating modes including manual, automatic, droop, and isochronous load sharing, making it suitable for both standalone power plants and complex multi-generator installations.

Its built-in control logic allows operators to manage real power, reactive power, and power factor distribution, improving overall system stability and fuel efficiency.

• Manufacturer: Woodward

• Model: 8440-1706 B

• Series: SPM-D11 / Load Share Synchronizer

• Function Type: Generator synchronizer & load sharing controller

• Supply Voltage: 12/24 VDC (typical industrial configuration)

• Operating Temperature: -40°C to +70°C

• Communication Interfaces: RS-232 / RS-485 / optional Modbus integration

• Synchronization Accuracy: ±0.25° phase angle (typical system class)

• Voltage Matching Accuracy: ±0.5%

• Protection Functions: Over/under voltage, over/under frequency, reverse power

• Control Modes: Automatic, manual, droop, isochronous

• Mounting Type: Panel mounted industrial module

• Display: Integrated LCD interface (system diagnostics & alarms)

• Dimensions: Approx. 144 × 72 × 122 mm

• Weight: ~0.8 kg

High-Precision Synchronization Control

Ensures accurate phase alignment before breaker closure, preventing electrical stress and mechanical damage.

Multi-Generator Load Sharing

Enables stable distribution of active and reactive load across multiple generator sets in parallel operation.

Flexible Control Modes

Supports droop and isochronous operation, allowing adaptation to different grid and islanded system requirements.

Advanced Protection Logic

Provides automatic shutdown and alarm functions in case of abnormal voltage, frequency, or reverse power conditions.

Industrial Communication Capability

Supports integration with SCADA and PLC systems for remote monitoring and centralized control.

Rugged Industrial Design

Built for harsh environments including vibration, temperature variation, and electrical noise conditions.

• Power generation plants

• Diesel and gas generator parallel systems

• Marine power and propulsion systems

• Oil & gas facilities

• Industrial manufacturing plants

• Utility substations

• Microgrid and distributed energy systems

• Critical infrastructure backup power

1. What is the main function of Woodward 8440-1706 B?

It synchronizes generators and manages load sharing in parallel power systems.

2. Can it operate multiple generators?

Yes, it is designed for multi-generator parallel operation and load distribution.

3. Does it support grid connection?

Yes, it supports grid-parallel operation with phase and frequency matching.

4. What communication protocols are available?

It typically supports RS-232, RS-485, and can be integrated with Modbus systems.

5. Is it suitable for harsh environments?

Yes, it is built for industrial-grade conditions with strong EMI and thermal resistance.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.