Overview
The Woodward 5403-977 Digital Governor is a microprocessor-based control system designed for precise turbine and engine speed regulation in demanding industrial environments. It ensures accurate synchronization, smooth load sharing, and reliable fault protection.
Its rugged construction and wide operating temperature range make it suitable for continuous operation under harsh conditions. The governor integrates seamlessly with SCADA and DCS systems, allowing operators to configure parameters, monitor performance, and log events in real time. Engineers can optimize turbine efficiency, reduce downtime, and achieve stable operation across multiple generator units.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | 5403-977 |
| Type | Digital Governor / Control Module |
| Operating Temperature | -20 °C to +70 °C |
| Dimensions | 191 mm × 202 mm × 135 mm |
| Weight | 2.1 kg |
Typical Applications
Power Generation
-
Diesel and gas turbine-driven generators requiring precise speed regulation and synchronization
Industrial Engines
-
Compressors, pumps, and expansion turbines requiring torque limiting and MAP restriction
Marine Propulsion
-
Shipboard engines needing reliable synchronization and remote speed reference
Utility Automation
-
Substations and distributed generation systems requiring robust communication and fault logging
Oil & Gas Facilities
-
Turbine-driven compressors and pumps requiring safe and efficient automation
FAQ
Q1: What industries benefit most from the 5403-977 governor?
A1: It is widely used in power generation, oil and gas, marine, and heavy industrial automation.
Q2: Does the governor support modern communication protocols?
A2: Yes. It supports RS‑232, RS‑422, Modbus®, and Ethernet TCP/IP for seamless SCADA/DCS integration.
Q3: How does it improve turbine performance?
A3: It provides automatic frequency, phase, and voltage matching, ensuring smooth synchronization and stable operation.
Q4: Can it handle both diesel and gas turbines?
A4: Yes. It is suitable for diesel, gas, and dual-fuel turbine configurations.
Q5: What safety features are included?
A5: It includes torque limiting, adaptive speed sensing, and built-in fault logging for reliable protection.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
