High Power Multilevel Converters- Analysis design and operational issues

The course covers different types of high power converters used in the industry for applications in HVDC, FACTS, Motor Drives, Power quality improvement. Traditional converters like NPC and emerging converters like modular multilevel converters will be covered. Operational issues and design considerations for these medium/high voltage high power converters will be covered. The course will discuss many practical issues faced in the industry while designing and operation of these converters.INTENDED AUDIENCE : Interested LearnersPRE REQUISITES : Power ElectronicsINDUSTRY SUPPORT : Siemens, ABB, Alstom, NTPC and other industries working in power sector

Week 1 : (a) Half bridge, Full bridge and three phase converters, sinusoidal PWM Week 2 : (a) 3rd harmonic addition, space vector PWM
Week 3 : (a) Power devices (b) Cascaded H-Bridge converter – Basic operation
Week 4 : (a)PWM Techniques for CHB converter (b) Fault tolerant operation of CHB converter
Week 5 : (a) Modular Multilevel converter- Topology, operation and PWM
Week 6 : (a) Capacitor voltage balancing in MMC (b) Different circuit topologies of MMC Week 7 : (a) Fault tolerant operation of MMC (b) Design of components in MMC (c) A case study of CHB and MMC (d) NPC converter – Basic operation Week 8 : NPC - PWM technique
Week 9 : (a) NPC- midpoint voltage balancing (b) Multi-pulse transformer
Week 10 : (a) Clarke and Park transformation (b) Steady state modelling of grid connected voltage source converter
Week 11 : (a) Dynamic modelling of grid connected voltage source converter (b) Gate driver circuit designing: turn on and turn off process
Week 12 : (a) Features of gate driver circuit and condition monitoring of high power converters (b) Other topologies: conclusion