IRV - Integrated Protection

IEC 61850 complied Protection and control IED for power lines, transformers, generators, and feeders in general features leading edge technology and top reliability in protection, control, metering and automation functions both for electrical transmission and sub-transmission lines.

Protection Function

• Phase Instantaneous Overcurrent
• Phase Time Overcurrent
• Ground Instantaneous Overcurrent
• Ground Time Overcurrent
• Negative Sequence Instantaneous Overcurrent
• Negative Sequence Time Overcurrent
• Sensitive Ground Instantaneous Overcurrent
• Sensitive Ground Time Overcurrent
• Voltage-Dependent Phase Overcurrent
• Phase Directional
• Ground Directional
• Negative Sequence Directional
• Sensitive Ground Directional
• Isolated Ground Directional
• Compensated Ground Directional
• Positive Sequence Directional
• Teleprotection Schemes
• Weal-Infeed Logic
• Transient Blocking by Current Reversal
• Fault Detector
• Phase Selector
• Phase Undercurrent
• Open Phase
• Phase Undervoltage
• Phase Overvoltage

• Trip and close coil supervision.
• Breaker (KA2) supervision and an excessive number of trips.
• Phase sequence selection.
• Selection of the number of voltage transformers.
• Control and monitoring:
• Alphanumeric display (3/7/8IRV).
• Two (2) dedicated Open – Close buttons (model 3/8IRV).
• Six (6) configurable command or control buttons (model 3/8IRV).
• Graphic display and dedicated control buttons (model 7IRV).
• Four (4) settings tables.
• Time delay elements with curve selection (IEC and ANSI).
• Integrated simulator.
• Programmable logic.
• Communications ports and protocols.
• LEDs.
• Configurable digital inputs (from 8 to 83).
• Configurable digital outputs (from 6 to 30).
• Time synchronization (protocol IRIG-B 003 and 123) or via communications.
• Event and metering history records.
• Oscillographic record (COMTRADE 99 format).
• Power supply voltage monitoring (depending on model).
• ZiverComPlus communications software.