PKUS SR24 Module SKO The Device for Transmission of Emergency and Control Signals (DTECS)

APPLICABILITY


RPA transmission

FUNCTIONALITY

PKUS SR24 Module SKO is a small-sized DTECS with a height of 1U=44,45 mm for installation on 19-inches frame, compatible on circuit level with PKUS SR24 (on one side of the channel the PKUS SR4 Module SKO could be used, on the other – PKUS SR24)

Main function – RPA transmission
  • via digital networks (SDH/PDH, IP/MPLS, etc.) with C37.94 and E1 interfaces,
  • via direct optical fibers for a distance of up to 240 km (the distance may be increased by optical amplifiers),
  • via DWDM systems,
  • via radio relay communication lines.
PKUS SR24 Module SKO provides
  • circuit level processing of up to 24 RPA commands and their assignment at any of 16 discrete inputs and outputs ,
  • reliability (commands’ undetection probability) – 10-4,
  • safety (false command probability) – not above 10-30 at the worst,
  • operation via one or two line interfaces,
  • seamless channel redundancy with 0 milliseconds time for switching from main to redundant channel,
  • T-schemes with ‘AND’ or ‘OR’ logic, providing ‘point-to-multipoint’ commands transmission with an option to output and to add commands into intermediate PKUS SR24 Module SKO,
  • duplex ‘point-to-multipoint’ commands transmission (up to 6 directions) via digital networks without retransmission at intermediate PKUS SR24 Module SKO,
  • simplex broadcasting of commands to several objects (up to 62) via digital networks without retransmission at intermediate PKUS SR24 Module SKO with the use of PKUS SR24 Module EO2 interface converter,
  • optical interfaces with the use of SPF modules,
  • fixation of commands transmission, failures and device operations into the on-board nonvolatile event log,
  • saving of event log data in a non-editable or COMTRADE format,
  • integration into automatic process control system, ,

  • synchronization of marks in the event log by IRIG-B signal,

  • discrete inputs and outputs compliance with PAO FGC UES standards.



ADVANTAGES


  • RPA commands transmission time, their reliability (commands’ undetection probability) and safety (false command probability) exceeds requirements of GOST R 55105-2012 “United power system and isolated working system. Operative-dispatch management. Automatic emergency control of methods of power systems. Emergency control of power systems. Norms and requirements” and IEC 60834-1 “Teleprotection equipment of power systems. Performance and testing. Part 1. Command systems”,,

  • small-sized DTECS with a height of 1U=44,45 mm for installation on 19-inches frame”,

  • complies with national and international requirements for electromagnetic capability or exceeds them.

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