A-APF active power filter, using the three-level topology, the application of advanced control algorithms, high power density, high efficiency, low cost, low noise, a significant advantage, which is used to compensate the harmonic current grid reactive current, improve power efficiency, energy efficiency and improve power quality. (Harmonic-based, reactive power compensation and phase unbalance compensation optional) works through the load current iL for real-time detection, extraction algorithm will iL by harmonic harmonic current components iLh isolated and control of power electronic devices produce harmonic motion compensating current iC, so iC = iLh, you can ensure that the current flowing into the utility grid for pure waveforms. Features ◎ high device efficiency, short response time, good treatment effect ◎ good human-computer experience: 7 inches LCD full-color touch screen, real-time waveform display systems, spectrum, running, historical data ◎ reliable factor: overvoltage, undervoltage , over temperature, overload, phase, short circuit, and interference protection hardware and software can automatically cut equipment, support equipment and distribution systems in real-time dynamic security ◎: fully active type of compensation, changes in harmony with the load of the adaptive compensation ◎ Potter Flexible Compensation: can be set independently for each harmonic amplitude ◎ intelligent management: network management, remote real-time monitoring capabilities ◎ Module Management: modular design, a combination of flexible, easy expansion, easy to install, easy to maintain