WestCode Thyristor
A silicon-controlled rectifier, commonly called an SCR, may be a solid-state device wont to control current. SCRs are mainly utilized in high power, high voltage applications like power regulators, motor controllers, and rectification in high voltage DC power transmission.
We provide one of the foremost comprehensive ranges of ordinary phase control thyristors within the industry. Devices with voltage range from 600V to 4500V are available, making them suitable for applications with line voltages from 230V to over 1000V (higher voltage applications are now served by our range of Medium Voltage Thyristors). IXYS UK Westcode Ltd. may be a leading supplier of phase control products into demanding markets like industrial DC drives, induction melting, marine/rail propulsion systems, wind generation converters, electrochemical power supplies, and soft starters. These devices are optimized to offer low conduction losses and are primarily intended for applications with line frequencies up to 400Hz.
Medium voltage applications place additional demands on phase-controlled thyristors. to satisfy these demands we’ve developed a comprehensive range of thyristors optimized for medium voltage applications. As voltages increase, so do switching losses and turn-off time to some extent where they become significant in line frequency applications. Our patented distributed gate architecture ensures excellent switching performance over a good range of voltage, current, and di/dt. Device lifetime is additionally engineered to realize an optimum balance between conduction losses, commutation losses, and turn-off time to offer maximum power handling from line frequency to 400Hz. This also gives significant benefits when series or parallel connection of devices is required. Medium voltage thyristors are available from 3.2kV up to six .5kV with silicon diameters from 38mm to 100mm making them particularly suitable for top power converters like medium voltage DC drives, medium voltage soft starts, and utility applications like HVDC, static VAr compensators, excitation, and transfer switches.
We recognize the importance of reliability in these large, capital-intensive applications and as a result, we subject these parts to extended levels of both routine and sort testing to make sure that your investment gives years of trouble-free service.
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