PV-Powered LED Street Lights Optimization Using the Zeta …
PV panel controller Battery Street light Converter Fig.1. The block diagram of a standalone PV-powered street light. ... The fins efficiency for the heatsink can be calculated by: 2 tanh( ) tanh( ) 2 fluid fluid f f hs f fin f f hs f h H mH kt mH h H kt K)7) in which H f t f h ...