Woodward 8440-2189 DC Motor Speed Controller
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 8440-2189 |
| Product Designation | SPM-D2-1040B/NYB |
| Brand | Woodward |
| Product Type | Three-Phase Synchronizing Unit |
| Product Series | SPM-D2 |
| Application | Generator Synchronization and Three-Phase Paralleling |
| Synchronizing Function | Automatic generator-to-bus synchronization |
| Synchronism Check | Supported |
| Dead Bus Start | Supported |
| Voltage Measurement | 3-phase, 400 VAC PT measuring inputs |
| Current Transformer Input | No CT input |
| Power Supply | 90–250 VAC / 120–375 VDC |
| Frequency | 50/60 Hz systems |
| Governor Control | Raise/Lower frequency pulse outputs |
| Voltage Control | Raise/Lower voltage pulse outputs |
| Generator Circuit Breaker | Generator CB control and feedback |
| Bus Circuit Breaker | Bus CB monitoring/control functions |
| Operating Interface | LCD display and front-panel pushbuttons |
| Status Indication | LED indicators for frequency, voltage, generator breaker and bus breaker status |
| Configuration | Front-panel parameter configuration |
| Typical Applications | Generator sets, utility paralleling, power generation and industrial synchronization systems |
| Mounting | Flush panel mounting |
| Dimensions | 155 × 55 × 130 mm |
| Weight | 0.8 kg |
FAQ
1. What is the main function of the Woodward 8440-2189?
The Woodward 8440-2189 is an SPM-D2-1040B/NYB three-phase synchronizing unit designed to synchronize a generator with a bus or utility supply. It monitors generator and bus electrical conditions and provides frequency and voltage adjustment commands to achieve suitable synchronization conditions before generator breaker closing.
2. What type of generator system is the 8440-2189 designed for?
The 8440-2189 is intended for three-phase generator paralleling applications. It can be used in generator sets and industrial power systems where the generator must be synchronized with an energized bus before connection. It is also suitable for applications requiring synchronism-check and dead-bus start functions.
3. What voltage measurement system does the 8440-2189 use?
The SPM-D2-1040B/NYB version uses 400 VAC potential-transformer (PT) measuring inputs. The voltage measurement circuit provides the controller with generator and bus voltage information required for synchronization and voltage matching. Correct PT ratio and wiring configuration are essential for accurate operation.
4. What power supply does the Woodward 8440-2189 require?
This version uses a wide-range power supply of approximately 90–250 VAC or 120–375 VDC. The control-panel supply should remain within the specified operating range and should be appropriately protected against transient disturbances and wiring faults.
5. How does the 8440-2189 adjust generator frequency and voltage?
The synchronizer provides raise and lower pulse outputs to the engine governor and excitation/voltage-control system. Frequency adjustment outputs can increase or decrease generator frequency, while voltage adjustment outputs can raise or lower generator voltage. These corrections continue until the programmed synchronization conditions are reached.
6. What should be checked if the generator cannot synchronize?
First verify generator and bus voltage sensing, PT wiring, phase sequence, frequency measurement, and the configured synchronization limits. Then check the governor raise/lower outputs and voltage raise/lower outputs. The generator breaker feedback and control circuit should also be inspected. Incorrect phase sequence or an abnormal frequency difference can prevent the synchronizer from issuing a valid breaker-close command.
7. What is the purpose of the dead-bus start function?
Dead-bus start allows the generator to establish a live bus when the monitored bus is de-energized, provided the required control conditions are satisfied. This function is useful in standby and emergency power systems where the generator may need to energize a bus after a complete loss of the external power source.
8. How can the 8440-2189 be configured and diagnosed?
The unit can be configured through its front-panel LCD display and pushbuttons. Operating parameters, synchronization settings and related control values can be reviewed or adjusted through the configuration interface. During troubleshooting, the front-panel LEDs provide useful indications for frequency raise/lower, voltage raise/lower and generator or bus circuit-breaker status.
Woodward 8440-2189 DC Motor Speed Controller is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








