Introduction to ABB REF630 1KHL160003R0001CR
1. Product Description
ABB REF630 1KHL160003R0001CR is a highly advanced and versatile numerical relay specifically engineered for the protection, control, monitoring, and metering of medium-voltage power distribution networks. As a key product in ABB's Relion® product family, it integrates cutting-edge technology to deliver reliable performance in ensuring the safety and efficiency of electrical systems. Designed with a user-friendly interface and flexible configuration options, it adapts seamlessly to various network topologies and operational requirements, making it a preferred choice for modern power distribution applications.
2. Product Parameters
- Protection Parameters: It offers a wide range of protection functions with precise setting ranges. For overcurrent protection, the pickup current can be adjusted from 0.1 A to 20 A, with time delays ranging from 0.05 s to 60 s, ensuring accurate response to overcurrent faults. Earth fault protection features a pickup current range of 0.01 A to 5 A, providing sensitive detection of ground faults. Overvoltage protection can be set between 100% and 120% of the rated voltage, while undervoltage protection ranges from 60% to 90% of the rated voltage, both with adjustable time delays.
- Measurement Parameters: The relay provides high-accuracy measurements with a current measurement accuracy of ±0.2% of the reading, and voltage measurement accuracy of ±0.2% of the reading. It can measure active power, reactive power, and apparent power with accuracies of ±0.5%, ±0.5%, and ±0.5% respectively. Power factor measurement accuracy is ±0.002, ensuring precise monitoring of power quality parameters.
- Communication Parameters: It supports multiple communication protocols including IEC 61850, Modbus RTU, and DNP3.0, enabling seamless integration with supervisory control and data acquisition (SCADA) systems. The Ethernet interface operates at 10/100 Mbps, facilitating fast and reliable data transmission.
3. Product Specifications
- Dimension Specifications: The relay has a compact design with a width of 144 mm, height of 144 mm, and depth of 210 mm. This space-saving size allows for easy installation in standard switchgear panels, optimizing the use of available space in electrical cabinets.
- Weight Specification: It weighs approximately 1.5 kg, making it lightweight and easy to handle during installation and maintenance, without adding excessive load to the mounting structure.
- Environmental Specifications: It operates within a temperature range of -25°C to +70°C, ensuring reliable performance in harsh industrial environments. The relative humidity range is 5% to 95% (non-condensing), and it can withstand vibration up to 0.5 g (10 Hz to 500 Hz) and shock up to 10 g (11 ms duration), enhancing its durability in challenging conditions.
- Power Supply Specifications: The auxiliary power supply can operate within a wide range of 85 V to 265 V AC or 110 V to 300 V DC, providing flexibility in different power supply environments.
4. Product Features
- Comprehensive Protection Functions: Beyond basic overcurrent and earth fault protection, it includes advanced protection features such as thermal overload protection, phase unbalthermal overload protection, phase unbalance protection, and breaker failure protection. These functions work together to safeguard the power distribution network against various types of faults, minimizing damage and downtime.
- Advanced Monitoring and Metering: Equipped with high-precision sensors and measurement modules, it continuously monitors key electrical parameters including current, voltage, power, energy, and frequency. The built-in data logger can store a large amount of historical data, enabling detailed analysis of system performance and fault events for maintenance and optimization purposes.
- Flexible Configuration and Programming: The relay offers extensive configuration options through a user-friendly software interface. Users can customize protection settings, logic diagrams, and communication parameters to meet specific application requirements. It supports IEC 61131-3 programming, allowing for the creation of custom control algorithms, enhancing its adaptability to complex network scenarios.
- Enhanced Security and Reliability: It incorporates multiple security features such as password protection, access control levels, and data encryption to prevent unauthorized access and ensure data integrity. The use of high-quality components and robust design ensures long-term reliable operation, with a mean time between failures (MTBF) of [X] hours, reducing maintenance costs and improving system availability.
5. Product Uses
- Protection of Medium-Voltage Networks: It is primarily used to protect medium-voltage distribution lines, transformers, motors, and other electrical equipment in industrial and commercial power systems. By detecting and isolating faults quickly, it prevents the spread of faults and minimizes damage to equipment, ensuring the continuity of power supply.
- Control and Automation of Power Systems: The relay enables remote control of circuit breakers and other switching devices, facilitating the automation of power distribution networks. It can implement logic control functions such as interlocking and sequencing, improving the operational efficiency and safety of the system.
- Monitoring and Analysis of Power Quality: With its accurate measurement capabilities, it provides real-time data on power quality parameters, helping operators identify issues such as voltage fluctuations, harmonics, and power factor imbalances. This information is crucial for optimizing power usage, reducing energy waste, and ensuring compliance with power quality standards.
6. Application Fields
- Industrial Facilities: Widely used in manufacturing plants, refineries, chemical plants, and mining operations. It protects critical electrical equipment such as motors, transformers, and distribution lines, ensuring uninterrupted operation of production processes, reducing downtime, and improving productivity.
- Commercial and Public Buildings: Applied in shopping malls, office complexes, hospitals, and airports. It safeguards the power distribution systems that supply electricity to lighting, air conditioning, elevators, and other essential services, ensuring a safe and comfortable environment for occupants.
- Renewable Energy Systems: Integrated into wind farms, solar power plants, and other renewable energy installations. It protects the grid connection equipment, monitors power output, and ensures compliance with grid codes, facilitating the efficient integration of renewable energy into the main po
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