3.6MW Power Supply System of the 170GHz ECH&CD System in KSTAR

3.6MW Power Supply System of the 170GHz ECH&CD System in KSTAR

A 3.6 MW (-66 kV/55 A) Gyrotron power supply system was developed for the 170 GHz ECH&CD gyrotron system in KSTAR. This power supply system consists of Cathode Power Supply(CPS), Anode Power Supply(APS) and Body Power Supply(BPS). The CPS is using the Pulse Step Modulation by the 32set of IGBT c...

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Hauptverfasser: Shim, Eun-yong, Ahn, Il-kun, Seo, Tae-won, Lee, Seung-kyo, Bae, Young-soon, Joung, Jin-Hyun, Joung, Mi
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container_start_page 4011
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container_volume 32
creator Shim, Eun-yong
Ahn, Il-kun
Seo, Tae-won
Lee, Seung-kyo
Bae, Young-soon
Joung, Jin-Hyun
Joung, Mi
description A 3.6 MW (-66 kV/55 A) Gyrotron power supply system was developed for the 170 GHz ECH&CD gyrotron system in KSTAR. This power supply system consists of Cathode Power Supply(CPS), Anode Power Supply(APS) and Body Power Supply(BPS). The CPS is using the Pulse Step Modulation by the 32set of IGBT choppers. The respons time of Chopper is very fast. So the cathode voltaget is able to be controlled rapidly. The APS is a sort of voltage devider using zener and switch component. It was achieved 3kHz modulation operation. The BPS is combined the commercial power supply and special high voltage switches. It is very simple topology but 5kHz modulation was accomplished easily. Theses power supply system were installed and commissioned successfully in 2011. This paper presents the topology of the each power supply and test result for 170 GHz gyrotron in KSTAR.
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title 3.6MW Power Supply System of the 170GHz ECH&CD System in KSTAR
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