A ride-through power structure for CFETR

The China fusion engineering test reactor (CFETR) is an ITER-like tokamak system for fusion energy development. It could output 50-200 MW fusion power in phase I for demonstrating power generation with complete structure of fusion power plant, and 1 GW output power can be expected in phase II. Its I...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2015-08, Vol.22 (4), p.2081-2086
Main Authors: Li, Hua, Li, Ge, Qu, Lu, Fu, Peng, Wang, Ying, Chen, Qiangjian
Format: Article
Language:English
Subjects:
500 kV HV substation
CFETR
Doubly fed induction generator (DFIG)
EAST
Electricity generation
Flywheels
Fusion
fusion power plant
Generators
ITER
Power supplies
Reactive power
reactive power compensation
ride-through
Tokamaks
Turbines
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Summary:The China fusion engineering test reactor (CFETR) is an ITER-like tokamak system for fusion energy development. It could output 50-200 MW fusion power in phase I for demonstrating power generation with complete structure of fusion power plant, and 1 GW output power can be expected in phase II. Its ITER-like HV substation receives power from the 500 kV transmission grid for powering its pulsed power electric network (PPEN) and steady-state electric power network (SSEN). This paper describes the concept design of the electric power system, with emphasis on its turbine generator implemented with flexible doubly fed induction generator (DFIG). DFIG has ride through ability during the plasma-off period. Its capability diagram is configured to analyze its operation range. Similar to ITER, the CFETR also requires about 1 GVar reactive power to be compensated. Based on this requirement, the generator is expected to generate part of reactive power to compensate and stabilize the local power network.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2015.004949