Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. ABB 3BHB003154R0101 GVC707AE01 is an Integrated Gate-Commutated Thyristor (IGCT) power module designed for medium-high voltage and high-power industrial applications. It combines high blocking voltage, large current handling capacity and fast switching characteristics, while also integrating the low on-state loss advantage of Gate-Commutated Thyristors (GCT) with the high reliability of integrated gate drives. Typically serving as a core power switching device in medium-voltage frequency converters, high-power converters and renewable energy grid-connected systems, it can significantly improve equipment efficiency and power density, reduce overall energy consumption and maintenance costs, and meet the requirements for long-term stable operation in harsh industrial environments.
Structure and Operating Principle
Device Structure
The core of this module is the IGCT chip, which integrates the GCT power chip and a dedicated gate drive circuit, adopting a press-pack package. The press-pack structure ensures tight contact between the chip and the heat sink, reducing contact thermal resistance while simplifying the connection of power terminals. The gate drive circuit is integrated inside the module, which reduces external wiring, enhances electromagnetic interference (EMI) resistance, and lowers the risk of malfunctions.
Operating Principle
During turn-on, a positive trigger signal is applied to the gate, putting the device into a low-impedance conducting state. It realizes high-current and low-loss power transmission by virtue of its GCT structure. During turn-off, the gate drive circuit rapidly provides a reverse gate current, which reverse-biases the cathode and emitter of the GCT and quickly blocks the anode current. Reliable turn-off can be achieved without complex snubber circuits, which greatly simplifies system design and reduces overall cost and size.
Core Advantages
High Efficiency & Low Power Consumption: Its on-state losses are far lower than those of conventional thyristors, and its switching losses outperform those of standard GTOs. This significantly improves system operating efficiency and reduces energy consumption costs during long-term operation.
High Reliability: The integrated design reduces external components and wiring connections. The press-pack package offers excellent vibration and shock resistance. Equipped with overcurrent, overvoltage and overtemperature protection functions, the gate drive can quickly turn off the device to prevent damage, making it suitable for the harsh operating conditions of industrial scenarios.
Strong Compatibility: It is compatible with medium-voltage systems of the 3300V voltage class, and can be used in series or parallel to expand the voltage/current range. It works seamlessly with ABB medium-voltage frequency converters, Static Synchronous Compensators (STATCOM) and other equipment, and is also adaptable to third-party control systems that comply with relevant standards.
Easy Maintenance: The modular design enables quick replacement. It is paired with standardized heat sinks and mounting structures, which lowers the difficulty of on-site maintenance and shortens equipment downtime.
Application Scenarios
Medium-Voltage Motor Drives: It is used in variable-frequency speed regulation systems for high-power motors in industries such as steel rolling, mining and cement. It delivers stable and efficient power conversion, meeting the requirements for heavy-duty starting and speed regulation.
Renewable Energy Grid Integration: It is compatible with medium-voltage inverters in wind and photovoltaic power plants, enabling efficient power inversion and grid connection, and improving grid integration stability.
Power System Compensation: Serving as the core switching device for STATCOM and Static Var Generators (SVG), it is applied to grid reactive power compensation and voltage stability control, improving power quality.
Industrial Power Supplies & Converters: It is suitable for high-power DC power supplies in industries such as electrolysis and electroplating, as well as medium-voltage converter equipment in fields including marine and rail transit, satisfying the requirements for high power and high stability.
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