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ABB REC650 1MRK008514-AA Relay

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Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Global universal model
Condition:
Other, Global universal model
Task:
Other, Global universal model
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Guizhou Yuanmiao Automation Equipment Co., Ltd.
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Material Other, Global universal model
Condition Other, Global universal model
Task Other, Global universal model
Mathematical Model Other, Global universal model
Signal Other, Global universal model
Customized Non-Customized
Structure Other, Global universal model
Dimensions 190mm×210mm×150mm
Weight Approximately 3.5kg
Temperature -25°C to +70°C
ABB REC650 1MRK008514-AA
The ABB REC650 1MRK008514-AA belongs to ABB's Relion® series of digital protection relays, specifically designed for the protection and control of capacitor banks in medium and high-voltage power systems. It is a standard configuration model within the REC650 series. As an Intelligent Electronic Device (IED), it integrates primary and backup protection, measurement, control, and communication functions for capacitor banks, supporting applications in traditional and digital substations (IEC 61850). It is suitable for protecting shunt capacitor banks, filter capacitor banks, and series compensation devices with voltage levels ranging from 6kV to 72.5kV.
I. Technical Parameters
Parameter Category Detailed Specifications
Protection Functions - Primary Protection:
▶ Unbalance protection (voltage unbalance, current unbalance, zero-sequence voltage unbalance)
▶ Overcurrent protection (three-stage overcurrent with definite-time/inverse-time characteristics)
▶ Overvoltage protection (with definite-time/inverse-time characteristics)
▶ Undervoltage protection (for no-voltage tripping)
▶ Harmonic protection (monitoring 2nd to 13th harmonic content)
- Backup Protection:
▶ Overload protection, undervoltage blocking, fuse blow detection
▶ Circuit breaker failure protection, automatic tripping logic
- Auxiliary Functions:
▶ Temperature protection (requires external temperature sensor), reclosing (capacitor discharge time monitoring), automatic switching control.
Measurement and Metering - Real-time monitoring of parameters such as three-phase voltage, current, active/reactive power, frequency, power factor, and harmonic content (2nd to 13th harmonics), with a measurement accuracy of ±0.5%
- Supports electrical energy metering (active/reactive), compliant with IEC 62053-22 standard, with a resolution of 0.01kWh
- Fault recording: Records 10 cycles before and 50 cycles after a fault, with a sampling rate of 2000Hz, supporting COMTRADE format export.
Communication Interfaces - 2× Ethernet ports (supporting IEC 61850-3, Modbus TCP, EtherNet/IP)
- 2× RS-485 serial ports (supporting Modbus RTU, IEC 60870-5-103)
- GOOSE/SMV message transmission (adapted to sampled value and tripping signal transmission in digital substations)
- Supports optical fiber interface (optional), compatible with IEEE 1588 network time synchronization (synchronization accuracy ≤1ms).
Power Requirements - Input voltage: 110-220V DC or 110-240V AC (wide-range compatibility), power consumption ≤30W
- Supports dual-power redundant input with surge protection design.
Physical Characteristics - Dimensions: 190mm×210mm×150mm (standard 19-inch rack mounting)
- Weight: Approximately 3.5kg
- Protection class: IP20 (panel), supporting rail or panel mounting.
Operating Environment - Temperature: -25°C to +70°C (wide-temperature design without fans)
- Humidity: 5% to 95% (non-condensing)
- Vibration/impact resistance: Complies with IEC 60068-2-6/2-27 standards, EMC class complies with IEC 61000-6-5.
II. Core Functions and Features
  1. Specialized Capacitor Bank Protection Design

  • Optimized Unbalance Protection: Supports multiple unbalance protection algorithms (e.g., voltage difference, current difference, zero-sequence voltage), automatically adjusting protection parameters based on the capacitor bank's wiring (star/delta) to prevent single-capacitor failures from escalating into cluster explosions.

  • Harmonic Monitoring and Protection: Real-time monitoring of system harmonic content, triggering alarms or trips when harmonics exceed thresholds to prevent capacitor bank damage from harmonic amplification.

  • Discharge Time Monitoring: Automatically calculates capacitor discharge time before reclosing to ensure complete discharge, avoiding excessive inrush current during switching.

  • Digitalization and Communication Capability

    • Supports the IEC 61850 communication protocol, enabling docking with Merging Units (MUs) and Smart Terminals (STs) for digital substation architectures;

    • GOOSE fast tripping signal transmission (response time ≤2ms) meets the need for rapid capacitor bank fault removal;

    • Enables real-time communication with SCADA systems to upload protection status, measurement data, and event records.

  • Convenient Human-Machine Interaction and Debugging

    • The front panel is equipped with a 4.3-inch color touchscreen, supporting real-time data display, modification of protection settings, and query of event records (storing up to 1,000 events);

    • Achieves graphical programming through ABB Relion® configuration tools (such as Relion 600 Series Manager), supporting custom logic block configuration.

  • Reliability Design

    • The hardware adopts a dual-CPU redundant architecture, and key circuits undergo dual verification to prevent misoperation and refusal to act;

    • Built-in self-checking functions (CPU, memory, communication link monitoring), supporting regular self-testing, compliant with IEC 61508 functional safety standards;

    • Electromagnetic interference protection design adapts to strong interference environments in industrial fields.

    REC650 1MRK008514-AA (2)

    REC650 1MRK008514-AA (1)

    III. Application Fields

    • Power Systems: Protection for 6kV~72.5kV substation shunt capacitor banks, filter capacitor banks, and series compensation devices;

    • Industrial Scenarios: Protection for reactive power compensation devices in metallurgy, petrochemicals, mining, and other industries (e.g., capacitor banks for rolling mills and arc furnaces);

    • Renewable Energy: Protection for reactive power compensation devices in wind farms/solar power plants (improving power factor and stabilizing grid voltage);

    • Electrified Railways: Protection for capacitor banks in traction substations to enhance power supply quality.

    IV. Typical Configurations and Networking
    1. Traditional Substation Mode

    • Connects CT/PT (current transformers and voltage transformers on each side of the capacitor bank) and circuit breakers through hardwiring, receiving switching value inputs (such as disconnector positions) to realize protection functions.

  • Digital Substation Mode

    • Accesses MU (Merging Unit) via optical fiber to receive sampled values (SMV), controls circuit breaker tripping through GOOSE messages, and communicates with the substation control layer system (SCADA).

  • System Integration

    • Docks with ABB Ability™ smart grid management systems to achieve capacitor bank condition monitoring (e.g., temperature trends, discharge count statistics), life evaluation, and intelligent switching control.

    V. Comparison with Series/Similar Products
    Model REC650 1MRK008514-AA REG216 (Generator Protection) RET670 (Line Protection)
    Core Positioning Dedicated capacitor bank protection Dedicated generator/transformer protection Dedicated line protection
    Main Protection Functions Unbalance protection, overvoltage/overcurrent protection Differential protection, reverse power protection Distance protection, current differential protection
    Voltage Level 6kV~72.5kV 10kV~220kV 3kV~220kV
    Communication Protocols IEC 61850, Modbus, EtherNet/IP Same as REC650 Same as REC650
    Typical Applications Shunt capacitor banks, filter capacitor banks Generators, main transformers Transmission lines, distribution feeders
    Product Tags: 1MRK008514-AA , 1MRK008514-AB , 1MRK008514-CB

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    Guizhou Yuanmiao Automation Equipment Co., Ltd.
    Verified Business License
    Business Type
    Trading Company
    Year Established
    2014
    Factory Size
    1,000-3,000 square meters
    Product Certifications
    SA8000
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