1000-volt inverters with Ampt can set their input voltage to a constant or narrow voltage range that is within their standard operating range and below 600 volts. This allows the inverter to deliver full rated output power without exceeding the 600V maximum system voltage.
Ampt String Optimizers have maximum power point trackers on each input. The combined maximum power from each input is delivered to the output at a voltage set by the inverter. Additionally, Ampt optimizers have output voltage and current limits to ensure the maximum system voltage is not exceeded.
Ampt optimizers put MPPT on each input and deliver full power to the optimizer output by adjusting the output current to match the DC bus voltage set by the inverter. This means strings with Ampt optimizers can be added to existing PV systems to increase DC loading without creating electrical imbalances in the PV system that are present without Ampt.
Energy Storage Systems (ESS) are rapidly decreasing in cost with new business models emerging to take advantage of PV+storage opportunities.
Ampt optimizers make it possible to add DC-coupled storage to your existing PV plant or hybrid system using a cost effective and scalable solution.