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Woodward 8290-185 Isochronous Speed Control

Woodward 8290-185 Isochronous Speed Control

Product Description

The 8290-185 is a precision isochronous speed control unit developed by Woodward, Inc. for gasoline and natural gas engines. It maintains constant engine speed (zero droop) regardless of load variation,...

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SKU: 8290-185
Vendor: Woodward
Category: Isochronous Speed Control
Related Series:

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Product Description

The 8290-185 is a precision isochronous speed control unit developed by Woodward, Inc. for gasoline and natural gas engines. It maintains constant engine speed (zero droop) regardless of load variation, ensuring stable frequency output in power generation and mechanical drive applications.

Optimized for seamless integration with Woodward 524 and 1724 series actuators, the unit forms a closed-loop fuel control system for accurate throttle and fuel metering. Its ruggedized design supports operation in extreme environments from –40°C to +90°C and is suitable for direct engine or skid mounting.

The 24V DC wide input range ensures compatibility with standard industrial battery systems, while fast processing enables rapid response to overspeed or shutdown conditions.

Technical Specifications

Parameter Specification
Model 8290-185
Control Mode Isochronous (Zero Droop)
Compatible Actuators Woodward 524 & 1724 Series
Operating Voltage 24V DC nominal (18–36V DC range)
Max Power Consumption 95 W (full actuator load)
Processing Core 32-bit high-reliability architecture
Dynamic Response < 5 ms (safety signal processing)
Protection Rating IP69K / NEMA 6P
Operating Temperature –40°C to +90°C

Application

  • Gas generator sets (hospital & data center backup power)

  • Oil & gas compressor stations

  • Industrial engine-driven mechanical systems

  • Applications requiring tight frequency regulation

FAQ

Isochronous vs. Droop control?
Isochronous mode maintains constant speed from no-load to full-load. Droop allows slight speed reduction as load increases. The 8290-185 is configured for isochronous precision.

Is 12V operation supported?
No. Minimum operating voltage is 18V DC (24V nominal systems).

Can it be engine-mounted?
Yes. With IP69K and high vibration resistance, it is suitable for direct mounting. Shielded MPU cabling is recommended.