SEMICONDUCTOR SWITCHES REPLACE …
SEMICONDUCTOR SWITCHES REPLACE thyratrons ANDIGNITRONSA. Welleman, E. Ramezani, U. SchlapbachABB semiconductors AG, CH-5600 Lenzburg, SwitzerlandAbstractA solid state switching system is presented which is designed a high reliable,long life, low maintenance product for short repetitive and high di/dt pulses. Thesolid state switch uses special designed SEMICONDUCTOR devices with integrated fasttriggering circuits which are powered by one closed loop current source powersupply. Blocking voltages of over 30 kV are possible by stacking several devices inseries connection. The solid state system has no environmental restrictions and canbe used in any position1) INTRODUCTIONSince several years ABB is offering complete solid state SWITCHES which are based on a wide range of specificdevices which are designed for non-repetitive pulsed power applications.
SEMICONDUCTOR SWITCHES REPLACE THYRATRONS AND IGNITRONS A. Welleman, E. Ramezani, U. Schlapbach ABB Semiconductors AG, …
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