Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"gate-turn-off"”.
-
3-Phase gate-turn off thyristor inverter
… have been designed, constructed and tested. Gate Turn-Off Thyristors (GTO's) are used as the main switching elements in the Inverter stage of the Drive. The drive requirements of GTO's are studied in detail.
-
Innovative GTO Thyristor Based Switches Through Unity Gain Turn-Off
The Gate Turn-Off (GTO) Thyristor has the best voltage blocking and current conducting capabilities among all known high power semiconductor devices. To improve its dynamic performances to meet the increased demand in high-performance high-power applications, a special driving technique, namely …
-
Advanced Semiconductor Device and Topology for High Power Current Source Converter
… protection. Traditionally, either a symmetrical gate turn-off (GTO) thyritor or an asymmetrical GTO in series with a diode is used as the power switch in the CSC. Since the GTO has a lower switching speed and requires a complicated gate driver, the symmetrical GTO based CSC usually has low …
-
The study of the upgrade and improvement of power electronics protection system for locomotives
A dissertation submitted in fulfillment of the requirements for the Master of Engineering Degree in Electrical Power Engineering, Durban University of Technology, Durban, South Africa, 2023.
-
Application of High-Power Snubberless Semiconductor Switches in High-Frequency PWM Converters
… These switches, including the thyristor and the Gate Turn-Off (GTO) thyristor, had the capacity to handle very high voltages and currents but lacked the ability to perform high frequency switching. Low-power converters, such as computer power supplies and low horsepower motor drives, have …
-
Development of the Advanced Emitter Turn-Off (ETO) Thyristor
… high power semiconductor device, the emitter turn-off (ETO) thyristor, which is targeted to improve the limitations of the present high power devices. Major improvements in electrical and mechanical designs of the ETO for high power and high frequency operation are proposed which result in …