The energy output of a wind generator (WG) variable due to the variation of wind speed at the
installation site through the day hours and year months. Therefore, a back-up power supply
(BUPS) is necessiuy for operating WG to supply isolated loads. This BUPS may be diesel
generator or/ and alternative sources of renewable energy system (RES) which are available at the
installation site. The diesel generator as a BUPS with WG to supply isolated loads had been
studied in previous publication.
In this work, alternative of RESs are studied and assessed as a BUPS for operating with WG
to supply isolated loads. These alternatives are photovoltaic power system (PVPS) or/ and battery
storage (BS). So, a hybrid model is presented here incorporates the added futures of dynamic
modeling and graphic user interface in the power system block set and matlap program to assess
the capacity of these BUPSs for operating with WG to supply isolated loads. Also, an economical
model has been introduced to optimize the considered BUPSs from economical point of view.
These models are applied numerically to estimate the capacityif alternative of WG/ BS and WGI
PVPSI BS generation systems to supply an isolated load of a tourist village on the Egyptian coast
of Red Sea. Also, these alternatives are optimized economically to supply the load study