Simple Utility-Interactive Photovoltaic Power Conditioners Installed in Veranda of Apartment Houses

Abstract

Various types of utility-interactive photovoltaic power generations including domestic applications have been reported and accepted widely. Some papers about power converters that interface between photovoltaic arrays and ac utility system have been also reported. The actual application of such solar panels is almost installed on top of the roof of the detached house. However, some residents living in the apartment house are having a fairly strong desire to contribute for energy saving using natural energy generation. In this paper, in order to give a reply, a simple and concise photovoltaic power conditioner installed in apartment house having verandas will be reported. Considering fairly reduced power and narrow space of installation, the system constructions should be simple and concise. The devised circuit which gratifies their wishes is proposed. These solar panels can be easily connected like usual home appliances having attached plug for connection. For reverse power flows and increasing harmonics, their protection circuits are installed in the input power line. System circuit and their sophisticated construction will be presented and discussed.