This paper presents a simple d–q model of a saturated multi-phase (six-phase) self-excited induction generator (SP-SEIG). Performance equations for this machine are given which utilize the saturated magnetizing inductance Lm=(λm/im) and its derivative (dLm/dim) rather than dynamic inductance...

The Binalood region in Iran enjoys an average wind speed of 6.82m/s at 40m elevation and an average daily solar radiation of 4.79kWh/m2/day. Within this perspective, a remote rural village in Binalood region, called Sheikh Abolhassan, can readily be expected to have more than enough potential...

The paper is focused on problems of evaluation of effectiveness of investment projects, building and operation of an agricultural biogas stations. It deals with significance of biogas production in the area of agriculture. Biomass from which biogas is produced is one of important renewable...