Description
ABB GFD233 3BHE043226R001 is a dedicated pulse firing control PCB designed for ABB UNITROL 6000 series static generator excitation systems, acting as the core signal processing board to generate isolated trigger pulses for SCR power rectifier bridges of synchronous generators. This ABB GFD233 3BHE043226R001 receives regulation commands from the main control board, processes phase synchronization signals, outputs isolated high-stability gate firing pulses, and collects real-time temperature, current and fault feedback for excitation system interlock protection. As a critical maintenance spare part for thermal power, hydroelectric and industrial self-generation excitation cabinets, GFD233 3BHE043226R001 integrates multi-channel surge suppression circuits and onboard fault diagnostic LED indicators, widely deployed in steam turbine, gas turbine and water turbine generator excitation control racks.
The product images shown are not actual photos. There are still many models that have not been launched yet. For more details or price negotiations, please contact us via official inquiry channels.
Basic Procurement Parameters
- Brand: ABB
- Model: GFD233, Part No: 3BHE043226R001
- Availability: Original factory new surplus stock, fully bench-tested refurbished boards available
- Delivery Time: 1–4 working days for in-stock inventory; 6–9 weeks for factory backorder shipments
- Guarantee: 12-month full warranty valid from shipment date
- Condition: Factory sealed brand new unopened / Fully cleaned, repaired and signal performance tested refurbished
- Compatible System: UNITROL 6000 Static Excitation System
- Core Function: SCR gate pulse generation, phase synchronization, fault signal acquisition
- Auxiliary Supply Power: 24VDC ±15% control power, max 0.6A consumption
- Pulse Isolation: High-frequency isolation transformers for each SCR channel
- Signal Protection: Built-in MOV surge arrestors, EMC filter circuits for anti-interference
- Diagnostic Hardware: Multi-group LED indicators for power, synchronization, pulse output and fault alarm
- Monitored Signals: Rectifier bridge temperature, field overcurrent, loss of synchronization, pulse failure
- Operating Temperature: -10°C ~ +65°C control cabinet ambient
- Storage Temperature: -40°C ~ +85°C
- Humidity Resistance: 5%–95% RH non-condensing environment
- Installation Form: Standard plug-in rack PCB for UNITROL 6000 cabinet backplane
- Net Weight: 0.48kg
- Protection Class: IP20, indoor cabinet rack mounting only
- Safety Standard: Compliant with IEC 61010 industrial control safety standards
Key Features & Advantages
- Independent isolated pulse output for each SCR channel, stable firing timing ensures precise generator field voltage regulation and avoids rectifier unbalanced operation
- Multi-dimensional real-time fault monitoring function, instantly detects loss of pulse, phase loss and overheating to trigger excitation system trip and protect generator equipment
- Plug-in rack-mounted design, single-board independent replacement without dismounting the whole excitation control cabinet, greatly shortens on-site maintenance downtime
Industry Application Scenarios
- Thermal power plants: Steam & gas turbine UNITROL 6000 excitation cabinet core pulse control spare parts
- Hydropower stations: Large water turbine synchronous generator excitation signal processing racks
- Industrial self-generation stations: Cogeneration gas engine generator static excitation control systems
- Petrochemical power plants: On-site generator set excitation regulation and fault protection control hardware
Reviews
There are no reviews yet.