8915-861
May 26, 2026

8915-861

Woodward 8915‑861 is a high‑reliability 2301A Series digital speed and load controller, engineered for diesel/gas engines, steam/gas turbines and generator sets. It delivers accurate speed governing, multi‑unit parallel operation, load sharing and overspeed protection, suitable for power generation, marine, oil & gas, chemical and mining heavy‑duty industrial environments.

Description

Core Functions

  1. High‑precision closed‑loop speed control to stabilize frequency under fluctuating loads

  2. Isochronous mode for single‑unit gensets; droop mode for multi‑unit parallel running

  3. Grid synchronization, load distribution, remote setpoint via 4‑20 mA / 1‑5 VDC analog inputs

  4. Integrated overspeed protection, self‑diagnosis and fault alarm outputs

  5. Direct drive for standard Woodward fuel actuators and turbine control valves

  6. Parameter tuning, commissioning and monitoring with dedicated Woodward PC software

Electrical Specifications

  • Power Supply: 24 VDC (wide‑range input: 18–40 VDC)

  • Speed Input: Magnetic Pickup (MPU) sensor signal

  • Actuator Output: PWM drive signal

  • Analog Input: 4‑20 mA remote speed/load reference

  • Communication: RS‑232/485 serial port, Modbus‑compatible for DCS/PLC connection

  • EMC: Industrial‑grade electromagnetic compatibility

Environmental & Mechanical Features

  • Operating Temperature: −40 °C ~ +85 °C

  • Vibration & Shock: Compliant with marine and heavy‑duty industrial standards

  • Mounting: Panel‑mount or DIN‑rail mount

  • Enclosure: Rugged metal housing, dust‑proof and corrosion‑resistant

Typical Applications

  • Diesel & gas engine generator sets

  • Gas and steam turbine power plants

  • Marine auxiliary power and propulsion systems

  • Oil & gas, chemical and mining industrial prime movers

  • Continuous‑run and emergency standby power systems


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