Energy Storage Systems

• Transmission UltraCapacitor (TUCAP)

Power Devices

• 4.5 kV/4 kA class emitter turn-off thyristor

Power converter

• Modular ETO Based Voltage Source Converter

• Cascade multilevel converter topolog

• Novel multi-level current source converters

Control

• Advanced control for cascade multilevel converter
  STATCOM/TUCAP control for flicker mitigation

System Integration

• ETO Based Shunt Controller (STATCOM and UPS)
• ETO Based Series Controller (SSSC and DVR)
• ETO Based DC and AC Circuit Breaker
• ETO Based Sub-Cycle Transfer Switch

System demonstration

• 4.5 MVA ETO STATCOM/TUCAP System
• 30 MVA ETO/TUCAP System For Flicker Mitigation