Product Description:

Model: ABB 5SHY55L4500

IGCT integrated Gate Commutated Thyristors (Intergrated Gate Commutated Thyristors) is a new type of power semiconductor switching device from medium-voltage converter to commutated thyristors (integrated gate commutator thyristors = gate commutator thyristors + gate unit). It was proposed by ABB in 1997. IGCT makes the converter in

Great progress has been made in power, reliability, switching speed, efficiency, cost, weight and volume, bringing a new leap forward to power electronic complete sets. IGCT integrates the GTO chip with the reverse parallel diode and gate drive circuit, and then connects it with the gate driver at the periphery in a low inductance way. It combines the stable turn-off ability of the transistor and the advantages of the low-pass state loss of the thyristor, and gives play to the performance of the thyristor at the turn-off stage and presents the characteristics of the transistor at the turn-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. It also has the advantages of low cost, high yield and 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 (up to 2009), because of the high speed switching capacity of IGCT without buffer circuit, the number of power components required is less, and the reliability of operation is greatly increased.

The IGCT combines the high-speed switching characteristics of the IGBT (insulated gate bipolar transistor) with the high blocking voltage and low on-off loss characteristics of the GTO (gate off gate gate). Generally, the trigger signal is transmitted to the IGCT unit through the optical fiber. In the phase module of the ACS6000 marginal rectifier unit, each phase module consists of an IGCT, a diode and a clamp capacitor, and is powered by an independent gate power supply unit GUSP.

Guizhou Yuanmiao focuses on DCS, PLC, robot and large-scale servo systems.

Main products all kinds of modules/cards, controller, touch screen, servo drive

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Fast delivery, accurate delivery, primary source, spot inventory more than 100 million

Our main control system (DCS, PLC/SPS, CNC), panel controller, HMI and display panel, industrial PC, drive (inverter and servo system), motor, power supply

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Invensys Triconex Card: Redundant fault-tolerant control system, modern fault-tolerant controller based on Triple module redundancy (TMR) architecture.

Invensys Foxboro :FBM(field input/output module) sequence control, ladder logic control, accident recall processing, digital/analog conversion, input/output signal processing, data communication

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