Posts tagged as battery

High power Li-ion battery for PV applications

  Tesla Powerwall is a rechargeable lithium-ion (Li-ion) battery designed to store energy at a residential level for load shifting, backup power and self-consumption of solar power generation. Powerwall consists of Tesla’s Li-ion battery pack, liquid thermal control system and software that receives dispatch commands from a solar inverter. The unit can be wall-mounted and integrated […]

Recent developments in storage technology and applications

  Electrical energy storage systems (ESS) are becoming increasingly important in both the renewable energy and the smart grid sectors, as more operators are realising that without ESS it will be difficult to progress forward. Although it was regarded in the past as too expensive, storage is now seen to be an essential economic solution […]

Suspect solar panels stunt growth of community crèche

  The opening of a community crèche as reported in October 2014 (www.ee.co.za/article/shaping-future-roots.html), was greeted with great expectations. The crèche is regarded as a major benefit the community and as a successful social upliftment programme. The performance of the main solar power system has been less than encouraging, and has affected the functioning of the […]

Wits students show they can work under pressure

  Final year students at the Witwatersrand School of Electrical and Information Engineering showed great ingenuity in the projects they presented at the annual open day on 15 October 2014. In introducing the event, school head Prof. Fambirai Takawira said that students were given only six weeks to develop, design and build their projects. “The […]