Method and device for tracing maximum power point and power supply system
A technology of maximum power point and power supply system, applied in the direction of control/regulation system, photovoltaic power generation, electrical components, etc., can solve the problems of long adjustment time, low response speed, difficult maximum power output, etc., to reduce the number of measurements and reduce adjustments The effect of increasing the number of times and improving the overall response speed
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no. 1 example
[0034] See figure 1 , Is a flowchart of the first embodiment of the maximum power point tracking method of the present invention:
[0035] Step 101: Measure at least two energy input components in the same power supply system under different input conditions to obtain at least two power value results.
[0036] In the embodiment of the present invention, the power supply system may be a solar photovoltaic power generation system, which uses solar photovoltaic panels as an energy input component, or a wind power generation system which uses wind turbine blades as an energy input component. Different from the prior art that uses serial mode to scan power points, the embodiment of the present invention measures at least two energy input components on different input conditions at the same time, so that by comparing the results of each measurement, a parallel scan method is used to determine the next Input conditions of at least two energy input components at a time.
[0037] In this emb...
no. 1 example
[0061] See image 3 , Is a block diagram of the first embodiment of the maximum power point tracking device of the present invention:
[0062] The device includes a measuring unit 310, a determining unit 320, and a tracking unit 330.
[0063] Wherein, the measuring unit 310 is configured to measure at least two energy input components in the same power supply system under different input conditions to obtain at least two power value results;
[0064] The determining unit 320 is configured to determine the input conditions of the at least two energy input components at the next moment by comparing the results of the at least two power values;
[0065] The tracking unit 330 is configured to repeatedly execute the functions of the aforementioned measuring unit 310 and the determining unit 320 until the maximum power point of the at least two energy input components is tracked.
no. 2 example
[0066] See Figure 4A , Is a block diagram of the second embodiment of the maximum power point tracking device of the present invention:
[0067] The device includes: a measurement unit 410, a determination unit 420, a tracking unit 430, and an adjustment unit 440.
[0068] Wherein, the scanning unit 410 is configured to measure at least two energy input components in the same power supply system under different input conditions to obtain at least two power value results;
[0069] The determining unit 420 is configured to determine the input conditions of the at least two energy input components at the next moment by comparing the results of the at least two power values;
[0070] The tracking unit 430 is configured to repeatedly perform the functions of the aforementioned measuring unit 410 and the determining unit 420 until the maximum power point of the at least two energy input components is tracked;
[0071] The adjusting unit 440 adjusts the power of other energy input components ...
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