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Description
Overview
Essential details：REC670 1MRK004814-AC intelligent microcomputer protection device
Product Description
REC670 1MRK004814-AC is an intelligent microcomputer protection device designed based on IEC 61850 standard produced by ABB, which is suitable for the control, monitoring and protection of circuit breakers, isolation switches and ground switches in substations. Below are the details of its products:
Product overview
The device integrates control, protection and monitoring functions, making it ideal for spacing control of power systems.
Main feature
Integrated design: Integrated control, monitoring and protection functions.
High precision measurement: High analog measurement accuracy, power value error 0.5%, voltage and current value error 0.25%.
Flexible configuration: The protection configuration is flexible and can be customized.
Self-check function: Comprehensive self-check function to ensure the reliable operation of the equipment.
User management: Supports user management and permission setting.
Communication capabilities: Support Ethernet interfaces, GOOSE messages, and MMS communication
REC670
Product parameter
Rated voltage: 110V to 240V AC.
Rated frequency: 50/60 Hz.
Communication protocol: Support Modbus, Profibus or IEC 61850.
Operation mode: Normal, test, and maintenance mode.
Protection function: including high impedance differential protection, instantaneous phase overcurrent protection, four-stage delay phase overcurrent protection, instantaneous zero sequence protection, etc.
Product specification
Control function: Control of up to 6 intervals and 30 switchgear.
Protection functions: current, power, voltage, secondary system monitoring and frequency functions.
I/O capability: Excellent I/O capability, able to control multiple intervals and perform complete measurements.
APPLICATION REC670 1MRK004814-AC intelligent microcomputer protection device
The REC670 belongs to the Relion 670 series, a series of devices designed for interval control of power systems with strong protection and flexible scalability.
Function and use
The REC670 1MRK004814-AC is mainly used for the protection and monitoring of power systems to ensure that power equipment is protected from overcurrent, short circuits and other power failures. It is widely used in distributed control systems (DCS) and programmable logic controllers (PLCS) for the protection and monitoring of power systems.
Application field
The equipment is mainly used in substations, especially where advanced voltage control and interval control are required. In addition, it is also suitable for the protection, control and monitoring of important nodes such as feeders and substations in the power system
