Aerospace Control & Utilities

Digital Generator Control Unit

The RSL DGCU (The Digital Generator Control Unit) is a digital replacement for the F-4 analog voltage frequency regulation and load sharing system. The replacement is comprised of two identical DGCUs which replaces the three LRUs of the old analog system.

These two DGCUs control the aircraft electrical power, perform continuous system protection and automatically record in-flight failures. The DGCU enhances flight safety, fleet availability and reduces the maintenance effort of the complex aircraft power supply system.


  • Enhanced safety by improving electrical power system reliability
  • Fewer mission aborts
  • Improved electrical system maintainability by:
    • Increased electrical system MTBF
    • Decreased electrical system MTTR


Technical Data

  • Power Consumption: 10 Watts
  • Weight: 9 lb (4.1 Kg)
  • Size: (HxWxL) 8.3"x3.9"x10.2" (211 x 100 x 260)mm
  • Qualifications: MIL-STD-810C and MIL-STD-461B


Main Features

  • Electrical power control functions:
    • Voltage regulation
    • Frequency regulation
    • Electrical load control
    • Generator load sharing and protection
    • System synchronization
  • Provides continuous in-flight testing capability 
  • On board recording of failures and maintenance related information


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