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P54 MiCOM 5th Generation

Line Differential and Distance Protection

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​​​​​​​​​​​​​​​​​​The P54, part of the MiCOM P40 Agile 5th Generation family,

is a line differential and distance Protection that delivers high performance processing

and a graphical HMI as standard.

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A cost-effective range of transmission/sub-transmission class protection relays

providing comprehensive line differential protection for up-to 3 line ends,

with in-built sub cycle transmission class distance and directional earth fault protection.

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This range of products is ideal for HV, EHV and UHV applications on lines and

cables for 1 or 2 breaker applications with patented adaptive auto-reclose functionality.

 

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Key Updates

Protection and Control

Advanced
Communications

Cybersecurity

• Transient bias feature reduces CT
requirements, tested even for TPY/TPZ
gapped CTs
• Subcycle distance protection
• Improved system stability by CB failure fast reset element (< 0.75 cycle)

• End-to-end communications channels -
multiplexed 64 kbps, E1 2 Mbps, direct fibre,
SONET/SDH and MPLS
• Redundant communications with zero
downtime using optional PRP/HSR
protocols
• Latest communication protocol
implementation with IEEE 1588 precisiontime
(PTP)

• Transient bias feature reduces CT
requirements, tested even for TPY/TPZ
gapped CTs
• Subcycle distance protection
• Improved system stability by CB failure fast reset element (< 0.75 cycle)

One-Box Concept

Integrated full colour display, for single-line
diagram control of the protected bay
• Open, close, local/remote and direct
function key access facilitate the control
of connected switchgear – two circuit
breakers plus eight other controllable plant
items
• Select-before-operate, breaker health
checks and interlocking capabilities

Key features:​

  •  Differential protection applicable to lines and cables, long or short, strong and weak infeeds

  •  Multi-shot autoreclosure with check synchronism - adaptive technology to detect fault arc extinction and accelerate the dead time or drive to lockout for persistent faults

  • Serial and Ethernet concurrent protocols, switchable by settings

  • Advanced IEC 61850 Edition 2 implementation

  • CyberSentry™ Advanced Security including AAA, RADIUS, RBAC, and Syslog

  • With fast start up time of less than 10s, resulting in protection, control and communications without the need to wait

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