Thyristors with Low Circuit Commutated Turn-off Time for HVDC and FACTS
Conference: PCIM Europe 2019 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/07/2019 - 05/09/2019 at Nürnberg, Deutschland
Proceedings: PCIM Europe 2019
Pages: 4Language: englishTyp: PDF
Personal VDE Members are entitled to a 10% discount on this title
Authors:
Vobecky, Jan (ABB Switzerland, CH)
Abstract:
Electron and proton irradiation for carrier lifetime control was combined to reduce the circuit commutated recovery time tq. Using the latest generation of large area 7.2 kV / 6 kA Phase Control Thyristors for HVDC and other demanding applications, we show the impact of tq reduction on the technology curve between the ON-state voltage drop VT and recovery charge Qrr, as well as the limits of this reduction. A procedure for the best tq – VT relation for the range of VT below 2 V suitable for HVDC is proposed.