This work studies the effect of shade on a 288kW Photovoltaic (PV) system installed in Royal Scientific Society (RSS) in Amman, Jordan. The study considers different patterns of dynamic shade; low, medium and heavy, different types of inverters; central, string and micro-inverter, and different series and parallel connections of the PV modules. A comparison regarding the cost is made, in order to choose the optimal connection for the whole system.