ABB PCD231B101 3BHE025541R0101 – Protection and Control Relay
The ABB PCD231B101 3BHE025541R0101 is a protection and control relay designed for power system applications, including distribution networks, substations, and industrial power systems. Part of ABB’s Relion® product line, it provides advanced protection, automation, and monitoring capabilities to ensure grid stability and equipment safety.
Technical Parameters
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Category
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Specification
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Rated Voltage
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24–250 V DC / 100–240 V AC (±20%)
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Current Inputs
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1 A or 5 A (configurable), 3-phase + neutral
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Frequency
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50/60 Hz (±5%)
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Protection Functions
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Overcurrent (50/51), directional overcurrent (67), earth fault (50N/51N), undervoltage (27), overvoltage (59), frequency protection (81), breaker failure (50BF)
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Communication Protocols
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IEC 61850 (GOOSE/MMS), Modbus RTU/TCP, DNP3.0, IEC 60870-5-103/104
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Binary I/O
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16 programmable digital inputs, 10 relay outputs (250 V AC/DC, 5 A)
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Measurement Accuracy
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±0.5% for current, ±0.2% for voltage
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Event Recording
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500+ event logs, 64 disturbance records (fault waveforms)
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Operating Temperature
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-40°C to +70°C
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Enclosure
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19-inch rack-mountable (4U), IP40 protection
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Certifications
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IEC 60255, IEEE C37.90, UL 508, CE, RoHS
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Functional Features
- Advanced Protection Functions
- Directional Overcurrent Protection: Detects fault direction for selective tripping in ring/meshed networks.
- Earth Fault Protection: Sensitive ground fault detection (50N/51N) for enhanced safety.
- Frequency Protection: Monitors grid frequency deviations for load shedding or islanding.
- Automation & Control
- Programmable logic (PLC-like) for custom automation sequences (e.g., auto-reclosing, load transfer).
- Supports GOOSE messaging (IEC 61850) for fast peer-to-peer communication in substations.
- Real-Time Monitoring
- Measures electrical parameters: current, voltage, power, energy, harmonics, and power factor.
- Synchrophasor measurement (PMU functionality) for wide-area grid monitoring.
- Cybersecurity
- Role-based access control, encrypted communication (TLS/SSL), and compliance with IEC 62351.
- Diagnostics & Maintenance
- Self-diagnostics for hardware health (CT/VT failures, relay status).
- Event logs and oscillographic records for post-fault analysis.
- Redundancy & Reliability
- Dual redundant power supplies and communication ports for critical applications.
- Hot-swappable design for maintenance without system downtime.
- HMI & Configuration
- Graphical LCD interface for local settings, real-time data display, and waveform visualization.
- Compatible with ABB’s PCM600 software for configuration and firmware updates.
Typical Applications
- Substations: Feeder protection, busbar protection, and transformer backup.
- Industrial Plants: Motor protection, generator synchronization, and load management.
- Renewable Energy: Grid connection protection for wind/solar farms.
- Distribution Networks: Fault detection and isolation in radial/ring networks.
Compliance & Standards
- Safety: IEC 60255 (protection relays), IEEE C37.90 (surge immunity).
- Communication: IEC 61850 Ed.2, DNP3.0.
- Environmental: RoHS, IP40.
Conclusion
The ABB PCD231B101 3BHE025541R0101 is a versatile and robust protection relay tailored for modern power systems. Its integration of adaptive protection logic, advanced automation, and IEC 61850 compliance ensures reliable operation in substations, industrial plants, and renewable energy installations. Designed for harsh environments and mission-critical applications, it empowers utilities and industries to enhance grid reliability, reduce downtime, and achieve seamless integration with ABB’s automation ecosystem.
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