Summary
Looks at grid connection options for floating solar chimneys, which are light fabric towers reaching roughly 700 m. Their ducted wind turbines may drive doubly fed induction machines via gearboxes or feed multi-pole synchronous machines directly through frequency converters; both setups can extract the most energy, but only if the converter has purpose-built control.
Description written by Solar Tower. The original abstract is available from the publisher via the link below.