PCD230A 3BHE022291R0101 | PCD235 | Generator Protection Relay

​Parameter ​Specification
​Product Model PCD230A 3BHE022291R0101
​Manufacturer ABB
​Type Generator Protection Relay
​Rated Voltage 110-415V AC (phase-phase) / 100-240V DC
​Current Input 5A / 1A configurable, 25A continuous
​Protection Functions ANSI 24/27/32/40/46/49/50V/51V/59/81
​Control Functions Auto-synchronization, PMU, VAR/PF control
​Tripping Time <15 ms (internal faults), <30 ms (external)
​Synchrocheck Accuracy <0.5° phase angle, <0.2% voltage, <0.01 Hz
​Comms Protocols IEC 61850 (GOOSE/MMS/SV), Modbus TCP, DNP3.0
​HMI 5.7” color LCD with multilingual interface
​Environmental -40°C to +70°C, 95% RH non-condensing
​Enclosure IP54 aluminum, 4U/177 mm height
​Certifications UL 1053, IEC 60255, IEC 61000-6-5
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Description

Product Overview
The ​ABB PCD230A 3BHE022291R0101 is an advanced generator protection and control relay engineered for medium-sized hydro and gas turbine applications. As part of ABB’s Relion® 600 series, this IED (Intelligent Electronic Device) safeguards generators (1-100 MVA) against electrical faults while enabling precise synchronization and active/reactive power management. The ​ABB PCD230A 3BHE022291R0101 integrates 20+ protection functions compliant with IEEE C37.102 and IEC 60255, including reverse power (32), loss of excitation (40), overvoltage (59), and underimpedance (21) protection. Its deterministic sub-cycle tripping (<15 ms) prevents catastrophic damage during stator ground faults, while PMU (Phasor Measurement Unit) capabilities support grid stability monitoring. Designed for harsh environments, this relay features dual-redundant Ethernet (IEC 61850 Ed.2) and an IP54-rated enclosure resistant to humidity and vibration in power plants and industrial facilities.

Technical Specifications

​Parameter ​Specification
​Product Model PCD230A 3BHE022291R0101
​Manufacturer ABB
​Type Generator Protection Relay
​Rated Voltage 110-415V AC (phase-phase) / 100-240V DC
​Current Input 5A / 1A configurable, 25A continuous
​Protection Functions ANSI 24/27/32/40/46/49/50V/51V/59/81
​Control Functions Auto-synchronization, PMU, VAR/PF control
​Tripping Time <15 ms (internal faults), <30 ms (external)
​Synchrocheck Accuracy <0.5° phase angle, <0.2% voltage, <0.01 Hz
​Comms Protocols IEC 61850 (GOOSE/MMS/SV), Modbus TCP, DNP3.0
​HMI 5.7” color LCD with multilingual interface
​Environmental -40°C to +70°C, 95% RH non-condensing
​Enclosure IP54 aluminum, 4U/177 mm height
​Certifications UL 1053, IEC 60255, IEC 61000-6-5

Key Features & Advantages

Adaptive Protection Logic

  • Dynamic stator RTD-based thermal overload protection (ANSI 49)
  • Synchroscope-less synchronization with automatic slip compensation
  • Underimpedance (21) adaptive curve shaping for pumped storage generators

PCD230A101 3BHE022291R0101

Grid Compliance & Stability

  • IEEE C37.118-compliant PMU for real-time angle/voltage monitoring
  • Power oscillation detection (ANSI 68) with auto-blocking logic
  • IEC 61850-9-2 LE sampled values for differential protection

Cybersecurity & Diagnostics

  • Secure Boot with hardware root-of-trust (FIPS 140-2 Level 3)
  • Layer 2 RSTP network redundancy with VLAN segmentation
  • Event recorder: 128 faults with COMTRADE waveforms, 10,000 SOE entries

Application Areas

  • ​Hydroelectric Plants: Protection for 20-50 MW Francis/Kaplan turbines with daily start-stop cycles
  • ​Industrial Cogeneration: Gas turbine protection (5-30 MW) in chemical mills with black-start capability
  • ​Pumped Storage: Synchronization during pump-to-generator transition (±0.25 Hz accuracy)
  • ​Islanded Microgrids: Underfrequency load shedding (ANSI 81L) with ROCOF logic
  • ​Marine Power Systems: Redundant protection for diesel gensets on FPSO vessels
  • ​Peaking Power Plants: Fast auto-synchronization (<30 s) during grid emergencies

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