8915-953
May 26, 2026

8915-953

Woodward 8915‑953 is a 2301A Series digital speed‑load controller, designed for diesel/gas engines, steam & gas turbines and generator sets. It provides high‑precision speed governing, parallel operation, load sharing and overspeed protection, widely used in power generation, marine, oil‑gas, chemical and mining heavy‑duty industrial applications.

Description

Core Functions

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

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

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

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

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

  6. Parameter tuning and monitoring via dedicated Woodward configuration software

Electrical Specifications

  • Power Supply: 24 VDC (wide range 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

  • Steam and gas 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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