Harmonic monitoring control system based on multi-source microgrid
A harmonic monitoring and control system technology, applied in the field of micro-grid, can solve problems such as loss of control ability of micro-grid harmonics, unstable operation of power electronic equipment, damage to micro-grid user equipment, etc., to reduce micro-grid losses and improve The effect of service life and ensuring the safety of electricity use
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[0029] The invention is a harmonic monitoring and control system based on a multi-power supply microgrid. like figure 1 as shown, figure 1 It is a schematic diagram of the system configuration of the present invention. It is mainly composed of a data acquisition module, a data storage analysis module and a harmonic information display control module; the data acquisition module is connected with the data storage analysis module, and the data storage analysis module is connected with the harmonic information display control module.
[0030] The data acquisition module uses a GPS synchronous timing device to provide a unified clock signal to each merging unit.
[0031] The data acquisition module is composed of a voltage and current transformer 7, a merging unit 4, and a GPS synchronous timing device 5; the voltage and current transformer 7 is connected between the 220V bus and the micro power supply branches of the fan 1, photovoltaic 2, and energy storage 3, The merging uni...
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