ABB 1MRK504172-BEN K | Transformer protection RET650

Technical Specifications:

Version and Compliance:

• Version: 2.2
• Issued Date: June 2023
• Revision: K
• Compliance:
  • EMC Directive 2004/108/EC
  • Low-voltage Directive 2006/95/EC
  • Designed according to IEC 60255 series international standards

Technical Specifications:

Energizing Quantities:

• Analog Inputs:
  • Rated Frequency: 50/60 Hz with operating range of ±10%
  • Rated Current: 1 or 5 A with an operating range of (0 – 100) x Ir
  • Rated Voltage: 110 or 220 V with an operating range of 0 – 340 V
• Auxiliary AC and DC Voltage:
  • DC Voltage Ranges:
    • EL = (24 – 60) V or EL = (90 – 250) V, with a nominal range of EL ± 20%

Binary Inputs and Outputs:

• Modules:
  • BIM (Binary Input Module): 16 inputs
  • IOM (Input/Output Module): 8 inputs and 10 + 2 outputs
• Contact Data for Relays:
  • Maximum system voltage, minimum load voltage, current-carrying capacity, and breaking capacity are specified for different modules.

Influencing Factors:

• Temperature and Humidity:
  • Operating Temperature: +20±5°C, nominal range -25°C to +55°C
  • Relative Humidity: 45 – 75% (non-condensing)
• Frequency Influence:
  • Varying accuracy requirements based on frequency and harmonic frequencies.

Type Tests According to Standards:

• Electromagnetic Compatibility:
  • Tested for various disturbances such as 1 MHz burst disturbance, electrostatic discharge, etc.
• Insulation:
  • Meets dielectric test, impulse voltage test, and insulation resistance requirements.
• Environmental Conditions:
  • Operating temperature range from -25°C to +55°C (continuous) with specified conditions for humidity, pressure, and altitude.

Functions and Technical Data:

Protection Functions:

• Differential Protection:
  • Functions like T2WPDIF/T3WPDIF, HZPDIF, and REFPDIF with specific characteristics (e.g., T2WPDIF/T3WPDIF accuracy ±1.0% of Ir at I ≤ Ir and ±1.0% of I at I > Ir).
• Current Protection:
  • Includes instantaneous phase overcurrent protection (PHPIOC) and directional phase overcurrent protection (OC4PTOC) with defined current ranges and time-delay characteristics.
• Voltage Protection:
  • Two-step undervoltage protection (UV2PTUV) and two-step overvoltage protection (OV2PTOV) with defined voltage ranges and delay settings.
• Frequency Protection:
  • Underfrequency protection (SAPTUF), overfrequency protection (SAPTOF), and rate-of-change of frequency protection (SAPFRC) with accurate frequency measurement and time-delay settings.

Hardware Description:

• Modules:
  • NUM (Numeric Processing Module): Handles protection functions and logic.
  • PSM (Power Supply Module): Provides internal voltages.
  • BIM (Binary Input Module): For binary inputs.
• Case Dimensions and Mounting:
  • Size: 6U, 1/2 x 19”
  • Mounting Options: 19” rack mounting, flush mounting, and wall mounting

Ordering Information:

• Pre-configured IED:
  • The ordering code is composed of parts covering product version, configuration options, software, language, casing, mounting, power supply, HMI, analog system, binary I/O modules, station communication, and time synchronization.
• Accessories:
  • Includes test switches, protective covers, key switches, and manuals.