ABB  5SXE10-0181 AC10272001R0101  IGCT module

5SXE10-0181 is an IGCT (integrated gate commutated thyristor) module, it is a high-power semiconductor device, with high voltage, high current, high frequency, high reliability and other characteristics, usually used in power electronic equipment and high voltage inverter and other occasions.

The working principle of IGCT module is based on the compound structure of GCT (gate controlled thyristor) and JFET (junction field effect transistor), which makes IGCT have higher switching frequency, lower loss and higher reliability through optimization design.

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The IGCT's turn-on/off control unit is an integral element of the component. It only requires an external power supply and its control functions are conveniently accessed through optical fiber connections. The device's control power consumption typically ranges from 10 - 100 W.

The IGCT is optimized for low conduction losses. Its typical turn-on/off switching frequency is in the range of 500 hertz. However, in contrast to the GTO, the upper switching frequency is only limited by operating thermal losses and the system's ability to remove this heat. This feature, in conjunction with the device's fast transition between on and off state, enables short on-off pulse bursts with switching frequencies of up to 40 kHz.

IGCTs require a turn-on protective network (in essence an inductor) to limit the rate of current rise. However, in contrast to the GTO, the turn-off protection network is optional. It can be omitted at the price of a somewhat reduced turn-off current capability.

Nowadays semiconductor manufactures are increasingly taking technical and commercial responsibility for both the power semiconductor and its gate unit. Control parameters such as turn-on and off pulse amplitudes, pulse width and rate of rise, gate circuit inductance, back-porch current and others are standardised by the manufacturer, making the IGCT suitable for converter topologies such as Voltage and Current Source Inverters, Resonance Converters and Static Breakers.

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