Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 5SHX2645L0002 |
| ABB Material Code | 3BHB012961R0001 |
| Device Type | Integrated Gate Commutated Thyristor (IGCT) |
| Rated Voltage | 4500 V |
| Rated Current | 2600 A |
| Package Style | Press-pack disc, Ø146 mm |
| Cooling Method | Double-sided water cooling |
| Operation Mode | Snubberless with matching fiber-optic gate unit |
| Gate Interface | Fiber-optic gate trigger and status feedback |
| Failure Mode | Short-circuit safe failure mode |
| Series / Parallel | Supports series and parallel stacking for high-power valve arrays |
| Operating Temperature | -40°C to +125°C junction temperature |
| Weight | 2.5–3.5 kg |
| Typical Applications | VSC converters, STATCOM, HVDC light, medium voltage drives |
Product Introduction
ABB 5SHX2645L0002, marked under ABB material reference 3BHB012961R0001, is a high-performance press-pack IGCT power semiconductor. It combines the low conduction loss of thyristors with hard turn-off capability, built for medium and high voltage power electronic converters.
This device is designed for snubberless operation when paired with a dedicated fiber-optic gate drive unit. Its press-pack mechanical structure supports double-sided water cooling, which is critical for high heat dissipation in stacked valve assemblies. A key safety feature: it fails into a stable short circuit, which protects the rest of the converter stack and avoids catastrophic arc damage. It is widely used as the core switching element in utility-grade power conversion systems.
5SHX2645L0002 3BHB012961R0001
5SHX2645L0002 3BHB012961R0001
5SHX2645L0002 3BHB012961R0001
Application Scenarios & Field Experience
IGCT spare availability is critical for transmission and renewable power assets, where forced outages carry high penalty costs.
- Static synchronous compensators (STATCOM): Grid reactive power regulation and voltage stabilization.
- HVDC Light VSC transmission: Power transfer between AC and DC grids, offshore wind interconnection.
- Medium voltage high-power drives: Large compressor, fan, and mill drives for oil & gas, mining.
- Energy storage converters and grid-forming power conversion systems.
Field note: A grid STATCOM unit tripped on valve arm fault after one 5SHX2645L0002 IGCT failed open. The site could not run at full reactive capacity. We supplied a matched 3BHB012961R0001 unit, the service team completed mechanical clamping, optical gate alignment, pressure verification and valve loop test. The converter returned to full rated capacity after the replacement, with no extended grid disturbance.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Marking Verification: Confirm 5SHX2645L0002 and 3BHB012961R0001 labeling; inspect disc surfaces, contact planes, gate fiber connector for scratches or damage.
- Electrical Bench Test: Check forward/reverse blocking, gate trigger response, leakage current at rated voltage.
- Thermal & Pressure Check: Confirm contact surface flatness; validate that the device meets required clamping force specs for the valve stack.
- Gate Interface Test: Pair with compatible ABB gate unit to verify fiber trigger and fault feedback signal.
- Compatibility Check: Match device revision to the existing valve design and gate drive firmware.
- ESD & Mechanical Packaging: Anti-vibration custom foam, sealed static shielding bag, rigid carton with handling warning notes; press-pack semiconductors require strict torque and clamping control during installation.
Frequently Asked Questions (FAQ)
Q1: What is the difference between 5SHX2645L0002 and 3BHB012961R0001? A: 5SHX2645L0002 is the device type designation; 3BHB012961R0001 is ABB’s internal material order code for this exact IGCT. They refer to the same component.
Q2: Can this IGCT run without a dedicated fiber-optic gate unit? A: No. It must be used with a matching ABB gate drive unit. It cannot be triggered by conventional thyristor pulse transformers.
Q3: Is hot replacement possible on a live valve stack? A: No. The converter must be de-energized, locked out and fully discharged before service. Valve stack pressure and alignment must be re-calibrated after swapping.
Q4: What warranty is provided? A: Standard 12-month warranty. Warranty excludes damage from improper clamping force, overvoltage, coolant leakage, contamination, misalignment or gate drive faults.
Q5: Can I mix different IGCT revisions within the same series valve stack? A: Mixing revisions is not recommended. Variations in switching characteristics may cause unequal voltage sharing and premature device failure. Always match part and revision numbers.
