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Woodward 8290-185 EPG Isochronous Speed Control Module

The Woodward 8290-185 functions as a digital electronic governor controller that maintains constant engine speed regardless of load variation. It regulates fuel delivery through an actuator system while continuously monitoring engine speed via a magnetic pickup sensor.

This controller is commonly used in power generation systems, industrial pumping stations, gas compression units, and distributed energy systems, where precise speed stability is essential for electrical frequency control and mechanical reliability.

Its EPG architecture eliminates the need for hydraulic governors, providing a fully electronic and maintenance-efficient control solution.

• Manufacturer: Woodward

• Model Number:8290-185

• Series: EPG (Electrically Powered Governor)

• Control Type: Isochronous speed control

• System Voltage: 24 VDC (18–36 VDC range typical)

• Power Consumption: up to 95 W

• Actuator Compatibility: Woodward 524 / 1724

• Speed Input: Magnetic pickup (MPU)

• Frequency Range: 3000 – 6000 Hz (application dependent)

• Operating Temperature: -40°C to +75°C

• Battery Charger Support: ≥5 A capability

• Mounting Type: Panel or DIN rail installation

• Control Functions: Start fuel limiting, ramp generation, load control

• System Integration: EPG actuator + controller + sensor architecture

Precise Isochronous Speed Regulation

Maintains constant engine speed under varying load conditions, ensuring stable generator frequency output.

Fully Electronic Governor System

Replaces mechanical and hydraulic governing systems with a compact electronic solution.

Start Fuel Limiting Function

Prevents excessive fuel delivery during engine startup, improving safety and emissions control.

Ramp & Load Control Capability

Supports controlled acceleration and deceleration for smoother system transitions.

High Compatibility

Works with Woodward 524 and 1724 actuators for reliable fuel control execution.

Industrial Reliability Design

Engineered for continuous operation in harsh environments with vibration and temperature variation.

• Generator set speed control systems

• Gas and gasoline engine automation

• Industrial compressor control

• Oil & gas pumping stations

• Distributed energy systems

• Marine auxiliary engine control

• Industrial mechanical drive systems

• Power plant auxiliary equipment

1. What is the main function of Woodward 8290-185?

It provides isochronous electronic speed control for gasoline and natural gas engines.

2. What systems is it used in?

It is commonly used in generator sets, compressors, and industrial engine-driven systems.

3. Does it require hydraulic components?

No. It is a fully electronic governor system and does not require hydraulic oil.

4. Which actuators are compatible?

It works with Woodward 524 and 1724 actuator models.

5. What is the benefit of isochronous control?

It maintains constant engine speed regardless of load changes, ensuring stable power output frequency.

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.