A hierarchical-zoned capacity planning methodology for hybrid power systems connected via cascade multi-terminals transmission: a case study

Given the long distance between geo-dispersed variable renewable energy (VRE) and cascaded hydropower, an innovative and flexible integration of cascaded multi-terminals (CMT) technology has been adapted. Three key issues for hybrid power system, that zoning impact on its optimization, flexibility dispatch between hierarchical converter stations, and solutions under power balance constraints for two-level zones need to be addressed. The strategy leverages the flexibility of pumped storage hydrop