5SHY3545L0003 IGCT可控硅主板

5SHY3545L0003 同IGCT-MMC，IGCT本身的可靠性且要明显于IGBT。且IGCT的通流温升低于IGBT，抗干扰性能强于IGBT，能耐受大浪涌电流，因此IGCT-DCB更高的可靠性。IGCT-DCB在通流能力、换流能力、过流工况、干扰抗性、成本以及可靠性等方面产生优势，正是这些优势使得IGCT在DCB中的应用具有扩大的前景，值得科研工作者深入研究。

5SHY3545L0003 With IGCT-MMC, IGCT itself is more reliable than IGBT, and IGCT's through-current temperature rise is lower than that of IGBT, interference resistance is stronger than that of IGBT, and it can withstand large inrush currents, so IGCT-DCB is more reliable.IGCT-DCB has advantages in through-current capability, current exchange capability, over-current working condition, interference resistance, cost and reliability. It is these advantages that make the application of IGCT in DCB has an expanded prospect, and it is worth researchers to study it in depth.

IGCT的应用特性

5SHY3545L0003 IGCT是通过在门极可关断晶闸管（门极可关断晶闸管，GTO）中引入缓冲层、阳极透明发射极结构，并将门极驱动电路集成，从而使IGCT不仅具有大电流、高火灾电压、低通态压降，同时还具有较高的开关速度、高可靠性等优点。IGCT目前产品的最大可关断电流达到8kA。

5SHY3545L0003 IGCT is made by introducing buffer layer, anode transparent emitter structure in gate turn-off thyristor (gate turn-off thyristor, GTO) and integrating the gate drive circuit, so that IGCT not only has the advantages of high current, high fire voltage, low on-state voltage drop, but also has the advantages of high switching speed, high reliability, etc. The maximum turn-off current of current products of IGCT reaches 8kA.

5SHY3545L0003 从成本上看，目前同等容量的IGCT售价约为压接式IGBT的1/2，而模块式IGBT价格相对较低。事实上，由于当前IGCT的应用不如IGBT广泛，使得市场价格偏高，如果实现更大规模的应用，IGCT成本还可以降低。

5SHY3545L0003 In terms of cost, the current selling price of an IGCT of the same capacity is about 1/2 that of a crimped IGBT, while the price of a modular IGBT is relatively low. In fact, due to the current IGCT is not as widely used as IGBT, making the market price is high, if the realisation of a larger scale of application, IGCT cost can also be reduced.