Digital Energy Protection & Control Generator Protection
Protection & Control Online Store
Protection & Control Support
Protection & Control Press Room
  Support Documents
  Application Notes
Related Links
  LPS Line Protection
  ALPS Advanced Line Protection System
LPS-O Generator Backup/Out-of-Step Protection

LPS-O Generator Backup/Out-of-Step Protection

The LPS-O is a multi-function digital protective relay system
intended to provide generator backup protection for
generators and transmission lines. It may be also applied
where system backup is required. It is available for single
or three phase tripping applications. Typical operating times are
within 1 cycle.

  • Distance protection for transmission lines
  • High speed tripping

  • Protection and Control
  • Four zones of distance protection
  • Step distance
  • Out of step tripping
  • Phase instantaneous overcurrent
  • Ground instantaneous overcurrent
  • Ground time overcurrent backup
  • Over and under voltage functions
  • Configurable inputs and outputs

  • Monitoring and Metering
  • Integrated metering
  • Fault location
  • Event reporting of last 100 events
  • Fault reports
  • High resolution oscillography

  • User Interface
  • LCD display and keypad
  • RS232 and RS485 serial ports
  • ASCII or GE protocols