Circuits and methods for photovoltaic inverters

摘要

Circuits and methods for photovoltaic inverters are provided. In some embodiments, a power inverter circuit is provided, the inverter comprising: an input terminal for a direct current source coupled to a first conductor; a first side of a capacitor coupled to the input terminal; a second input terminal for the direct current source coupled to first sides of a first switch and second switch; a second side of the capacitor coupled to first sides of a third switch and fourth switch; a first side of a first inductor coupled to the first input terminal, the first side of the capacitor and the first conductor; a second side of the first inductor coupled to second sides of the first switch and third switch; and a first side of a second inductor coupled to a second conductor, and second sides of the second switch and fourth switch.

主权项

1. A power inverter circuit comprising:
a first input terminal for connection to a first side of a direct current source coupled to a first conductor of an alternating current transmission line; a first side of a capacitor coupled to the first input terminal; a second input terminal for connection to a second side of the direct current source coupled to a first side of a first switch and a first side of a second switch; a second side of the capacitor coupled to a first side of a third switch and a first side of a fourth switch; a first side of a first inductor coupled to the first input terminal, the first side of the capacitor and the first conductor; a second side of the first inductor coupled to a second side of the first switch and a second side of the third switch; and a first side of a second inductor coupled to a second conductor of an alternating current transmission line, a second side of the second switch and a second side of the fourth switch.