Digital Current Differential Relay for Protecting EHV Transm

Digital Current Differential Relay for Protecting EHV transmission Line

Product Overview
Digital protection relay keeps power system safe from various faults and free from mal-operating tripping.

Features

• Compact, flexible, and easy to install and use
  
• Use of multiple micro processor to provide comprehensive high-performance protection and control within one cycle operation
  
• Advanced human-machine interface with graphic LCD and simple operation keys
  
• Powerful fault recording, metering and accurate fault location function
  
• Supervising, auto-reclosing
  
• Continuous monitoring and automatic testing

KYP2D1(Current Differential Relay)

• Synchronized sampling data at both terminals
  
• PCM communication link(64Kbps)
  
• Ratio differential elements high-resistance earth faults
  
• Counterplan against CT Second Opening
  
• Monitoring communication circuit and checking automatic syncronization

Instance