ABB 5SHY3545L0020 可控硅器件 单向晶闸管

ABB 5SHY3545L0020 可控硅器件 单向晶闸管

IGCT集成门极换流晶闸管(Intergrated Gate Commutated Thyristors)是一种中压变频器开发的用于巨型电力电子成套装置中的新型电力半导体开关器件(集成门极换流晶闸管=门极换流晶闸管+门极单元)。1997年由ABB公司提出。

IGCT使变流装置在功率、可靠性、开关速度、效率、成本、重量和体积等方面都取得了巨大进展，给电力电子成套装置带来了新的飞跃。IGCT是将GTO芯片与反并联二极管和门极驱动电路集成在一起，再与其门极驱动器在外围以低电感方式连接，结合了晶体管的稳定关断能力和晶闸管低通态损耗的优点，在导通阶段发挥晶闸管的性能，关断阶段呈现晶体管的特性。IGCT 具有电流大、阻断电压高、开关频率高、可靠性高、结构紧凑、低导通损耗等特点，而且造成本低，成品率高，有很好的应用前景。

己用于电力系统电网装置（100MVA）和的中功率工业驱动装置（5MW)IGCT在中压变频器领域内成功的应用了11年的时间（到09年为止)，由于IGCT的高速开关能力无需缓冲电路，因而所需的功率元件数目更少，运行的可靠性大大增高 

ABB 5SHY3545L0020 可控硅器件 单向晶闸管

IGCT integrated Gate Commutated Thyristors (IGCT integrated gate commutated thyristors = gate commutated thyristors + gate units) is a new type of power semiconductor switching device developed by medium voltage inverter for use in large power electronics packages. It was proposed by ABB in 1997.

IGCT has made great progress in power, reliability, switching speed, efficiency, cost, weight and volume, and has brought a new leap to power electronic complete sets. IGCT integrates the GTO chip with the anti-parallel diode and gate drive circuit, and then connects it with the gate driver in a low inductance mode at the periphery, combining the stable turn-off ability of the transistor and the advantages of the low on-state loss of the thyristor, and gives play to the performance of the thyristor in the on-stage, and presents the characteristics of the transistor in the off-stage. IGCT has the characteristics of large current, high blocking voltage, high switching frequency, high reliability, compact structure, low on-off loss and so on, and has a good application prospect.

It has been used in power system power grid device (100MVA) and medium power industrial drive device (5MW)IGCT in the field of medium voltage inverter successfully applied for 11 years (until 2009), because the high-speed switching capability of IGCT does not need buffer circuit, so the number of power components required is less, and the reliability of operation is greatly increased

ABB 5SHY3545L0020 可控硅器件 单向晶闸管
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