Solar grid-connected inverter with maximum power point tracking (MPPT) system
A technology of maximum power tracking and solar energy, applied in control/regulating systems, instruments, regulating electrical variables, etc., can solve the problem of photovoltaic cell voltage not collecting and so on
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[0014] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0015] Depend on figure 2 It can be seen that a solar grid-connected inverter with a maximum power tracking system related to the present invention is composed of a metal-structured cabinet-type container box (22), a door lock (18), and a door (19). And on the surface of the door (19) are provided with a working status indicator light (17), an LCD display screen (21), and a cooling fan (20) is also provided on the side of the casing.
[0016] It is characterized in that each unit circuit of the utility model is installed in the cabinet type container box of the metal structure. see figure 1 The solar photovoltaic cell array unit (1) is connected to an AC load (5) through a DC-DC conversion circuit (2), a DC-AC inverter circuit (3), and an AC output filter circuit (4); the solar photovoltaic cell array The unit (1) is connected with the DSP m...
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