ABB PCD231B101 3BHE025541R0101 – Protection and Control Relay
The ABB PCD231B101 3BHE025541R0101 is a multifunctional protection relay designed for power system applications, including distribution networks, substations, and industrial plants. Part of ABB’s Relion® product line, it ensures grid stability, equipment safety, and operational efficiency through advanced protection, automation, and communication capabilities.
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): Customizable logic for auto-reclosing, load transfer, and interlocking.
- GOOSE Messaging: Fast peer-to-peer communication via IEC 61850 for substation automation.
- Real-Time Monitoring
- Measures electrical parameters: current, voltage, power, energy, harmonics, and power factor.
- Synchrophasor Measurement (PMU): Supports wide-area grid monitoring and stability analysis.
- 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.
- Hot-swappable design for maintenance without downtime.
- User Interface
- Graphical LCD for local configuration, real-time data display, and waveform visualization.
- Compatible with ABB’s PCM600 software for parameterization 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 engineered for modern power systems. Its integration of adaptive protection logic, automation capabilities, and IEC 61850 compliance ensures reliable operation in substations, industrial plants, and renewable energy installations.
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