ABB REF542PLUS 1VCF752000
ABB REF542PLUS 1VCF752000 is a feeder protection and control device specifically designed for medium-voltage power distribution systems. Adopting digital technology, it integrates multiple functions including protection, control, monitoring, and communication. Its modular design ensures high performance and flexibility, making it suitable for scenarios such as power plants, substations, industrial automation, and rail transit power supply. The device enables remote monitoring and fault diagnosis through advanced algorithms and protocols (e.g., IEC 61850, Modbus), enhancing the reliability and safety of power grids.
II. Parameters
Basic Parameters
Rated Voltage: 12 kV (some models support 3 kV to 36 kV).
Rated Current: 630 A (some models support 5 A to 6300 A).
Circuit Breaker Capacity: 2500 A (some models support 4000 A).
Communication Interfaces: RS-232, RS-485, Ethernet (some models support PROFIBUS DP).
Operating Temperature: -40°C to +70°C (some models: -20°C to +60°C).
IP Rating: IP54 (some models: IP65).
Dimensions and Weight:
Standard model: 600 mm × 400 mm × 200 mm, weight 50 kg.
Modular model: 225 mm × 165 mm × 80 mm, weight 2.5 kg.
Functional Parameters
Protection Functions: Overcurrent, earth fault, distance protection, directional protection, frequency protection, thermal overload, etc.
Measurement Functions: Voltage, current, power, power factor, frequency, etc.
Control Functions: Switch operation, remote control, telemetry, remote signaling, automatic reclosure, etc.
Event Recording: Supports fault recording and event logging for subsequent analysis.
III. Product Features
High Performance and Reliability
Adopts advanced microprocessors and algorithms to ensure high precision (0.2% accuracy) and fast response.
Modular design supports flexible configuration to adapt to different application scenarios.
Intelligent Management
Built-in intelligent algorithms can automatically identify faults and optimize operating parameters.
Supports remote monitoring and control, reducing on-site maintenance needs.
Safety and Compatibility
Complies with international standards (e.g., IEC 61850) and supports seamless integration with DCS/PLC systems.
Provides network security features to ensure safe operation of the system.
IV. Structure and Composition
Modular Design
Input/Output Modules: Support collection and output of voltage, current, and digital signals.
Communication Modules: Integrate multiple communication interfaces (RS-485, Ethernet, etc.) and support protocols such as IEC 61850, Modbus RTU/TCP.
Relays and Indicators: Provide physical signals and LED alarms for events such as overcurrent and earth faults.
Installation Methods
Wall-mounted or panel-mounted; some models support DIN rail mounting.
V. Application Fields
Power Systems
Feeder protection and control in power plants, substations, and distribution networks.
New energy integration (e.g., photovoltaic power generation, wind power generation).
Industrial Fields
Industrial automation, metallurgy, chemical industry, oil and gas industry.
Spare parts for robot systems and large servo systems.
Other Fields
Railway electrification, building automation, data centers.
VI. Installation and Maintenance
Installation Requirements
Environmental Conditions: Operating temperature -40°C to +70°C, relative humidity 5% to 95%.
Installation Methods: Wall-mounted or rack-mounted, ensuring ventilation and heat dissipation.
Maintenance Steps
Regularly inspect terminal blocks, relay contacts, and communication interfaces.
Clean the device surface to prevent dust accumulation from affecting heat dissipation.
Update software and firmware to ensure functional compatibility.
Precautions
Follow safety regulations; maintenance can only be performed after power-off.
Record fault events to assist in system optimization.
Xingruijia focuses on providing ABB industrial automation full range product services and your intelligent control solution partner
If you would like to learn more about our products and services, please feel free to contact us at any time!
Sales Manager : Jinny
Email : sales1@xrjdcs.com
Whatsapp/Mobile:+86 15359273791
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