Protective Relay Settings

relay settings photo

Key to power systems safety and reliability is properly designed and coordinated Relay Protection settings. Power Grid Engineering’s Relay Settings engineers provide a broad range of services in creating setting files to protect Transmission, Distribution, and Generation systems up to 500kV.  Our Relay Settings engineers are experienced in finding the optimum balance between security and reliability, while also adhering to customer Protection Relay logic requirements and NERC standards.

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PROTECTIVE RELAY SETTINGS CAPABILITIES

TRANSMISSION LINE PROTECTION

  • Multi-zone Step Distance
  • Pilot Relaying
  • Line Current Differential
  • Shunt Reactor Protection

TRANSMISSION SUBSTATION PROTECTION

  • Breaker Control
  • Switchgear
  • Bus Differential
  • Transformer Differential
  • Capacitor Control & Protection

GENERATION PROTECTION

  • GSU Protection
  • Motor Bus Protection

DISTRIBUTION LINE & SUBSTATION PROTECTION

  • Differential Protection
  • Backup Overcurrent Protection
  • Fast Bus Differential Protection

INTERCONNECTION STUDIES

  • Short Circuit Studies
  • Breaker Duty Studies

ARC FLASH HAZARD ANALYSIS

  • IEEE 1584

NERC STUDIES

  • PRC-023-3
  • PRC-025-1
  • PRC-001-2

 

 

pdf Download Protective Relay Settings Brochure