Three phase on-line harmonic current real time monitoring system and working method thereof
A real-time monitoring system, a technology of harmonic current, applied in the direction of measuring current/voltage, measuring device, measuring electrical variables, etc., can solve the problems of inability to detect, small real-time calculation, and large calculation.
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[0045] Embodiment: a kind of three-phase online harmonic current real-time monitoring system (see figure 1 ), which is characterized in that the hardware equipment of the system is composed of five parts: a signal preprocessing module, a three-phase adaptive harmonic detection and processing module, a reference quadrature signal generation module, a detection signal processing module, and a computer analysis and display module; The input terminal of the said signal preprocessing module is connected to the current signal to be detected, and the output terminal is connected to the output terminal of the three-phase adaptive harmonic detection processing module; the input terminal of the said three-phase adaptive harmonic detection processing module includes Two reference current input terminals, and these two reference current input terminals are connected to the output terminal of the reference quadrature signal generation module, the output terminal of the said three-phase adap...
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