Solar energy variable-frequency air conditioner system

Abstract

The invention provides a solar energy variable-frequency air conditioner system. The solar energy variable-frequency air conditioner system comprises a solar cell array group, an air conditioner frequency converter and a first direct current bus, wherein the solar cell array group comprises multiple solar cell arrays and multiple MPPT controllers; each MPPT controller is connected with one or more solar cell arrays; the MPPT controllers are connected with the air conditioner frequency converter through the first direct current bus and used for increasing and stabilizing voltage of direct current generated by the solar cell arrays, tracking and controlling the MPPT output of each solar cell array and restraining the PID effect of the solar cell arrays; the air conditioner frequency converter comprises a rectification and inversion grid connection module, an inversion power module and a second direct current bus; the rectification and inversion grid connection module is connected with the inversion power module through the second direct current bus; the first direct current bus and the second direct current bus are connected in parallel; accordingly, the MPPT function of the multiple paths of solar cell arrays and the function of restraining the PID effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of power electronics and household appliances, and more specifically, relates to a solar inverter air-conditioning system. Background technique [0002] At present, solar energy has become the most ideal alternative energy source for conventional energy due to its unlimited reserves, universality of existence, cleanness of utilization and economy. Photovoltaic power generation, as the highest manifestation of solar resource utilization, has advantages that other power generation methods do not have. With the continuous development of photovoltaic power generation technology, its advantages are constantly displayed in various industry applications. Among them, solar photovoltaic air conditioners, as an application form of solar photovoltaic power generation, have very broad development prospects. [0003] An existing solar inverter air conditioning system, refer to figure 1 , including: solar cell array, po...

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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a solar inverter air-conditioning system to solve the problem that the existing solar inverter air-conditioning system cannot realize the MPPT function of the multi-channel solar cell array and the function of suppressing the PID effect

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