SIPROTEC 5, SIPROTEC 5 relay, SIPROTEC 5 siemens, siemens arc protection relay, siemens arc protection, SIEMENS Numerical Relay SIPROTEC 7VK87 numerical protection relay

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Test Data

ReliServ Solution

The breaker management device SIPROTEC 7VK87 is part of the new SIPROTEC 5 series of modular, flexible and intelligent digital field devices.
With its modularity and flexibility and its high-performance DIGSI 5 engineering tool, the SIPROTEC 7VK87 fits perfectly for protection, control, monitoring, and measuring applications in electrical energy systems.
Main function: Automatic reclosing, synchro check, circuit-breaker failure protection
Tripping:
  • 1- and 3-pole or 3-pole
Inputs and outputs:
  • 12 predefined standard variants with 4/4 or 8/8 current/voltage transformers,
  • 5 to 31 binary inputs,
  • 4 voltage transformers
  • 8 to 46 binary outputs
Hardware flexibility: Flexibly adjustable I/O quantity structure within the scope of the SIPROTEC 5 modular system
Width of housing: 1/3 x 19'' to 2/1 x 19''
All functions can be configured freely with DIGSI 5. For the application of some of the functions, you require the appropriate number of free function points within the device. The function point calculator in the online configurator provides support in determining the required number of function points for your device.
  • Automatic reclosing function and synchro check for line protection applications with 1- and 3-pole tripping
  • Circuit-breaker failure protection, 1-/3-pole
  • Control, synchro check, and system interlocking
  • Voltage controller for transformers
  • Arc protection
  • Voltage protection
  • Powerful automation with graphical CFC (Continuous Function Chart)
  • Support of single line in small and large displays
  • Integrated electrical Ethernet port J for DIGSI and IEC 61850 functionality (reporting)
  • Up to four optional pluggable communication modules usable for different and redundant protocols (IEC 61850, IEC 60870-5-103, IEC 60870-5-104, Modbus TCP, DNP3 (serial and TCP)
  • Serial protection data communication over fiber-optic cable, two-wire connections and communication networks (IEEE C37.94 et al.) including automatic switch over between ring and chain topology
  • High available Ethernet redundancy protocols PRP and HSR
  • Cyber Security acc. NERC CIP and BDEW Whitepaper
  • Phasor Measurement Unit (PMU) for synchrophasor measured values and IEEE C37.118 protocol
  • Time synchronization IEEE 1588
  • Powerful fault recording
  • Additional functions for simple tests and easy commissioning
  • Adjustable I/O quantity within the scope of the SIPROTEC 5 modular system

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