Active electric power filter device with self-testing function and testing method
A technology of power filtering and testing methods, which is applied in the direction of active power filtering, measuring devices, and harmonic reduction devices, and can solve problems such as high cost, high rated current value of transformers, wires, and switches, and low testing efficiency to achieve saving cost, reduce power supply capacity, and improve test efficiency
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[0026] Embodiment 1, an active power filter device with self-test function, the modules and units of its control system are such as Figure 4 As shown, different modules and units can be called by the human-machine interface to make the device realize different functions.
[0027] An active power filter device with self-test function includes a set of control system and a set of main circuits, and the main circuit is controlled by the control system to make the device work in different modes. The control system includes a man-machine interface, a filter module and a harmonic source module, and the filter module and the harmonic source module are simultaneously connected with the man-machine interface. The filtering module can enable the device to realize the filtering function, and different units can be called to realize different filtering modes, and the filtering modes include full compensation unit, reactive power unit, harmonic unit, specified harmonic unit, reactive powe...
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