Development of a Multi-Variable Control for a Parallel Connection of the Flywheel Generators EZ3 and EZ4
The power supply of ASDEX Upgrade comprises the flywheel generators EZ3 (500 MJ / 144 MVA) and EZ4 (650 MJ / 220 MVA). Each generator feeds its own 10.5 kV system. For quasi-stationary advanced tokamak experiments with extended flattop phase, the flywheel generators EZ3 and EZ4 must be connected in parallel so that the available power and energy can be fully exploited. The dynamic load requirements of ASDEX Upgrade and the different electrical and mechanical parameters of the two synchronous machines require a multi-variable control in order to achieve a defined load distribution on both generators. This report describes the design and performance of a multi-variable control which fulfills all requirements for a reliable and safe operation of the parallel connected flywheel generators.
Bibliographic Reference: Report: IPP 1/324 en (2000) 126 pp.
Availability: Available from the Max Planck Institute f³r Plasmaphysik (DE)
Record Number: 200012093 / Last updated on: 2000-06-23
Original language: en
Available languages: en