Siprotec 7UM62 machine protection automation device - Medium to high power

Product Description

Functions

Standard version

• Scope of basic version plus:
• Inadvertent energization protection
• 100 %-stator earth-fault protection with 3rd harmonic
• Impedance protection

Full version 

• Scope of standard version plus:
• DC voltage protection
• Overcurrent protection during start-ups
• Earth-current differential protection
• Out-of-step protection

Additional version

• Available for each version:
•  Sensitive rotor earth-fault protection (1-3 Hz method)
•  Stator earth-fault protection with 20 Hz voltage
• Rate-of-frequency-change protection
•  Vector jump supervision

Monitoring functions

• Trip circuit supervision
•  Fuse failure monitor
• Operational measured values V, I,
  
• Every metering value Wp,Wq
• Time metering of operation hours
•   Self-supervision of relay
• 8 oscillographic fault records

Communication interfaces

• System interface 
• IEC 61850 protocol 
•   IEC 60870-5-103 protocol 
• PROFIBUS-DP 
• MODBUS RTU 
•   DNP 3.0

Hardware

• Analog inputs
•  8 current transformers
• 4 voltage transformers
•  7/15 binary inputs
• 12/20 output relays

Front design

• User-friendly local operation
• 7/14 LEDs for local alarm
• Function keys

Graphic display with 7UM623