A kind of inverter parallel control method and inverter

Abstract

An inverter parallel control method and an inverter are disclosed, the inverter includes an inverter housing, the inner bottom of the inverter shell is provided with a partition plate, the partition plate accommodates a part accommodating cavity in the upper part of the inverter housing and a heat dissipating cavity in the lower part of the inverter housing, two groups of fans are rotatably connected to one side wall of the heat dissipation cavity, a first air outlet and a second air outlet are respectively arranged on a side of the two groups of the fans away from each other, at one end of that first air outlet and the second air outlet which are far away from each other, a dust net is arrange, One side of the two groups of fans is provided with heat conduction tubes, the heat conductiontubes are equally spaced on the partition plate, the heat dissipation end of the heat conduction tubes is located in the heat dissipation cavity, an installation device is arranged on the outer side of the inverter shell, and the inverter is controlled by the method based on the average power control when the inverters are connected in parallel. The invention has the advantages of convenient installation, heat dissipation block, good waterproof effect, long service life of the inverter, and can accurately control the working output of the inverter by adopting the method based on the average power control.

Description

technical field [0001] The invention relates to the field of inverters, in particular to an inverter parallel control method and an inverter. Background technique [0002] The inverter converts DC power (battery, storage battery) into AC power (generally 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVD, VCD, computers, TVs, washing machines, range hoods, refrigerators, VCRs, massagers, fans, lighting, etc. In foreign countries, due to the high penetration rate of automobiles, the inverter can be used to connect the battery to drive electrical appliances and various tools to work when going out to work or travel. [0003] Existing household inverters, especially when installed on solar mounting racks, are not reliable due to the small installation area and most of the tops are installed on the brackets. At the same time, most...

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Problems solved by technology

[0003] Existing household inverters, especially when installed on solar mounting racks, are not reliable due to the small installation area and most of the tops are installed on the brackets. At the same time, most of the household inverters use natural heat dissipation. The effect is poor, and water is easy to enter the heat dissipation hole, which affects the service life of the inverter. Therefore, we have designed a parallel control method for inverters and inverters to solve the above problems.

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