GE MiCOM Agile P74x Family – BusBar Differential Relays

$1.00

The MiCOM AGILE P74x offers high performance, secure and sensitive protection for all types of busbar configurations at all voltage levels. Consisting of the Agile P741, P742 and P743 relays, the P74x platform is engineered to provide a centralized or distributed architecture with CT saturation detection, dynamic topology processing algorithms and a fast reset (less than 1 cycle) circuit breaker failure element

Available models:

  • P741 Busbar Central Unit
  • P742 Busbar Peripheral Unit
  • P743 Extended Busbar Peripheral Unit

 

Features include:

  • New Ethernet Board Support – Improved traffic density handling, PRP, HSR and RSTP supported in the same order option for standardization. Modulated/demodulated IRIG-B also standardized.
    New dual RJ45 copper Ethernet option provides a more economical connection to switches.
  • Hardware future-proofing – compatible with the forthcoming IEC 61850 Edition 2 releases.
  • Ability to engineer IEC 61850 Edition 2 packaged solution schemes early.
  • Module release in P741 central unit supports station bus access to the entire bus scheme.
  • Module release in P743 adds enhanced access to peripheral unit data.
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Description


Overview

  • Typical operating time of 8ms with high speed/high break contacts, 13ms with standard contacts
  • Sensitive earth fault elements improve detection of resistive or arcing faults
  • Phase segregated biased current differential high speed busbar protection
  • Easy maintenance, operation and future expansion of the busbar supported
  • Up to 28 peripheral units supported – scalable busbar solutions from medium to large substations

 

Key benefits:

  • Interoperable with all classes of CT: IEEE, IEC, air-gapped, non-gapped, and CTs with moderate knee point voltage
  • IEC 61850 redundant Ethernet, supporting self healing ring, RSTP, dual homing, PRP or HSR
  • True subcycle busbar protection – transmission class security and dependability

 

Configuration Tool and Remote HMI Tool Features

  • Scheme editor: allows the user to define and create a P74x busbar scheme using busbar, CT, circuit breaker and isolator graphical icons
  • Synoptic: allows the user to allocate IEDs (P741, P742, P743) to the busbar scheme synoptic.
  • Dynamic synoptic: allows the user to display the P74x measured analogue quantities and DDB (digital data bus) status information via the user defined P74x scheme created using the scheme editor in accordance with downloaded embedded configuration of P74x IEDs
  • File merge: with this feature the user can automatically create the synoptic settings from above tools into a default setting file of IEDs

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Product Release Notes for Software verson 6.4.1

 

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