Siprotec 7VU683 high speed busbar transfer device - frequency and voltage protection device

Siprotec 7VU683 high speed busbar transfer device - frequency and voltage protection device

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Siprotec 7VU683 high speed busbar transfer device - frequency and voltage protection device Price And Quantity

  • 1 Piece Unit
  • INR

Siprotec 7VU683 high speed busbar transfer device - frequency and voltage protection device Trade Information

  • All India

Product Description

Functions High speed busbar transfer function

Starting conditions

  • NORMAL condition
  • FAULT condition
  • Inadmissible under-voltage
  • Inadmissible under-frequency
  • Inadvertent CB open

Switching sequences

  • parallel auto switching sequence
  • parallel half-auto switching sequence
  • simultaneous switching sequence
  • sequential sequence
Transfer modes
  • fast transfer mode
  • real-time fast transfer mode
  • in-phase transfer mode
  • res-volt transfer mode
  • long-time transfer mode
  • Single busbar and segmented single busbar supported
  • High speed contact with approx.1ms for closing
  • Permission of bi-direction switching settable
  • Low voltage load-shedding settable
  • CB de-coupling when OPEN failed
  • NORMAL start locally or remotely
  • Manual CB closing to block HSBT
  • ON/OFF set locally or remotely
  •  HSBT test mode supported
Protection functions for tie-CB
  • Overcurrent protection
  • Ground overcurrent protection
  • Overcurrent protection for busbar energization
  • Ground overcurrent protection for busbar energization
Monitoring functions
  • Self-supervision of the device
  • Oscillographic fault recording
  • Phase sequence of busbar voltage
  • Voltage circuit of busbar and line
Communication interfaces
  • PC front port for setting with DIGSI 4
  • System interface
    • IEC 60870-5-103, redundant optional
    • IEC 61850, Ethernet
    • Profi bus-DP or Modbus RTU
  • Service interface for DIGSI 4 (modem)
  • Time synchronization via IRIG B/DCF 77

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