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Description
Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 5SHX2645L0004 |
| Ordering Number | 3BHL000389P0104 |
| Manufacturer | ABB |
| Product Type | IGCT RC (Integrated Gate-Commutated Thyristor with Reverse Conducting Diode) |
| Repetitive Peak Reverse Voltage (VDRM) | 4500 V |
| Average On-State Current (ITAVM) | 2645 A |
| On-State Surge Current (ITSM) | 40000 A |
| Gate Trigger Current (IGT) | 200 mA |
| Gate Trigger Voltage (VGT) | 3 V |
| Operating Junction Temperature (Tj) | -40°C to +125°C |
| Storage Temperature (Tstg) | -40°C to +150°C |
| Package Type | Press-pack |
| Net Weight | Approx. 2.6 kg |
| Standards Compliance | IEC 61508 SIL 3 |
Main Features and Advantages
Integrated Reverse Conducting Diode: The ABB 5SHX2645L0004 integrates a freewheeling diode in anti-parallel with the main GTO thyristor chip within a single press-pack housing. This integration simplifies external circuit design, reduces component count, and minimizes stray inductance, resulting in more compact and reliable power electronic systems. The integrated diode also supports unbuffered turn-off operation under high di/dt conditions, further enhancing system robustness.
Superior Switching Performance and Low Losses: The 5SHX2645L0004 inherits the optimized switching characteristics of hard-driven GTO thyristors, significantly improving turn-off capability and extending the safe operating area to the dynamic avalanche limit. This allows the ABB 5SHX2645L0004 to operate without bulky dv/dt snubber circuits, even under high current density conditions. The reduced thickness of the silicon chip effectively lowers both conduction and turn-off losses, enabling efficient high-frequency operation in the kilohertz band.
Robust Press-Pack Design: The press-pack housing of the ABB 5SHX2645L0004 provides superior thermal conductivity and mechanical robustness. This design allows for double-sided cooling, which significantly enhances the module’s power density and thermal management capabilities. In the event of a failure, the press-pack design typically fails in a short-circuit mode, a critical safety feature that prevents open-circuit failures and maintains system continuity in redundant configurations.
High Power Density and Reliability: The ABB 5SHX2645L0004 delivers exceptional power density, capable of switching currents up to 2645 A at 4500 V within a compact form factor. With a surge current capability of 40000 A, the module can withstand severe overload conditions without degradation. The 5SHX2645L0004 is designed for long service life in demanding applications, leveraging ABB’s rigorous quality control and proven IGCT technology that has been successfully deployed in the field for over a decade. The module’s gate drive requirements are also simplified, with significantly reduced drive power consumption compared to conventional solutions.
Application Field
Medium-Voltage Variable Frequency Drives (VFDs): The ABB 5SHX2645L0004 serves as the core power switching element in medium-voltage motor drives for industrial applications ranging from 5 MW and above. In these drives, the 5SHX2645L0004 enables precise speed and torque control of large motors used in mining, cement, pulp and paper, and metals processing, significantly improving energy efficiency and process control.
High-Voltage Direct Current (HVDC) and Flexible AC Transmission Systems (FACTS): The ABB 5SHX2645L0004 is extensively utilized in HVDC converter stations and Static Synchronous Compensators (STATCOM). In these grid-level applications, the module’s high voltage and current handling capabilities, combined with its low loss and fast switching characteristics, are essential for efficient long-distance power transmission and dynamic grid voltage support. The 5SHX2645L0004 contributes to improved power quality and grid stability by enabling rapid reactive power compensation.
Renewable Energy Systems: The ABB 5SHX2645L0004 plays a critical role in the grid integration of renewable energy sources. In large-scale wind turbine converters and utility-scale solar photovoltaic inverters, the 5SHX2645L0004 ensures efficient and reliable power conversion from the variable-frequency output of generators or the DC output of solar panels to the AC grid. Its high switching frequency capability supports the production of high-quality grid-compliant power.
Railway Traction and Other High-Power Applications: The ABB 5SHX2645L0004 is also found in railway traction systems, where it is used in the propulsion converters of locomotives and high-speed trains. Its compact size, high power density, and robustness against shock and vibration make it suitable for the demanding environment of rolling stock. Additional applications include large UPS systems, induction heating equipment, and power supplies for electrochemical processes.
