UR6CH  Power module

🛡️ Protection Function Improvements

• L90 Line Differential Relay:
  • Enhanced protection functions
  • Improved alarm operands for greater reliability
• C70 Generator Protection:
  • Compensation factors added for phase current unbalance

🔧 UR Platform Enhancements

Improvements across the UR family include:

• Common Protection Elements:
  • Distance protection
  • Trip bus
  • Restricted ground fault
  • Inter-relay communications
• Communications:
  • Enhanced ports and protocols
• Monitoring & Reporting:
  • Synchrophasor improvements
  • Enhanced event recorder and fault report
• System Features:
  • Real-time clock stability
  • Improved flex-elements
  • Enhanced front panel functionality

⚙️ Upgrade Guidance

• Optional Update:
  Users with existing UR Family relays running older 5.6x firmware can upgrade to 5.61 to take advantage of these enhancements.
• No Mandatory Upgrade:
  If the new features are not required, there is no need to upgrade.

Let me know if you’d like this formatted into a formal release summary document or if you need the full release notes broken down by device type.

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