Essays about: "kortslutningsström"

Found 2 essays containing the word kortslutningsström.

1. 1. Advanced rear contact design for CIGS solar cells

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Jorge Alexandre De Abreu Mafalda; [2019]
   Keywords : CIGS; HfO2; surface passivation; alkali treatment; point contact openings; SCAPS;

   Abstract : The current trend concerning the thinning of solar cell devices is mainly motivated by economic aspects, such as the cost of the used rare-earth elements, and by the requirements of emergent technologies. The introduction of ultra-thin absorber layers results in a reduction of used materials and thus contributes to a more cost-effective and time-efficient production process. READ MORE

3. 2. Verification of the program PowerGrid and establishment of reference grid for calculations

   University essay from Uppsala universitet/Elektricitetslära

   Author : Simon Cederholm; [2015]
   Keywords : PowerGrid; power grids; reference grid; calculations; power flow; short-circuit; Newton-Raphson; Ybus; Y-bus; admittance matrix; Velander; Matlab; PowerGrid; elnät; referens; referensnät; beräkningar; elnätsberäkningar; effektflöde; kortslutningsström; kortslutningseffekt; Newton-Raphson; Ybus; Y-bus; admittans-nod matris; Velander; Matlab;

   Abstract : Fortum Distribution AB uses a program called PowerGrid (PG) in its daily work. PG is a combined Network information system and grid calculation program. The development of this program is an ongoing process, so Fortum desired a reference program be set up as a means of controlling the continued accuracy of PG’s calculation results. READ MORE