Sustainable, Portable, and Efficient Electricity Delivery (SPEED): Design, Control, and Testing

Sanka Liyanage, Yeqin Wang, Yiting Dong, Beibei Ren

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


During emergencies or natural disasters, or at remote areas, the main electrical grid might be damaged or not accessible, therefore, a sustainable electricity generation is critical for human survivals or other electricity needs. This paper presents a sustainable, portable, and efficient electricity delivery (SPEED) system for community emergency, disaster relief, and power supply at remote areas. A demonstrated system with utility-level AC power output is built up with a 180 W photovoltaics (PV) array which consists of six serial-connected solar panels, a 1.8 kWh battery pack, a SYNDEM power converter, and a data monitoring subsystem. The autonomous operation of the system is achieved by advanced control technologies for power electronic converters in both islanded mode and grid-connected mode, while providing the overcharging and overdischarging protections of the battery pack. Field testing is conducted to validate the effectiveness of the proposed SPEED system under different scenarios.

Original languageEnglish
Article number9064565
Pages (from-to)73082-73095
Number of pages14
JournalIEEE Access
StatePublished - 2020


  • Sustainable portable electricity
  • battery protections
  • emergency/disaster relief
  • power electronics control
  • solar energy


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