Power supply having a battery and inverter, where some of the inverted power is used to charge the battery (loop power)

摘要

Disclosed is a power supply system arranged to provide electrical power, in which part of the load is used to supply power back to a power storage device of the system, said systems including: at least one battery ; an inverter connected to the battery(s) and arranged to deliver output power up to a predetermined level to a load ; and a charger arranged to also receive a proportion of the output power of the inverter and provide charging power to the battery(s). Such power supply systems may also incorporate a further power source arranged to supply power directly or indirectly to the battery.