A shunt active power filter (SAPF) employing a three-level T-type neutral point clamped (3L-TNPC) inverter addresses harmonic mitigation and power factor correction (PFC) in electrical systems. The SAPF is designed to inject compensating currents into the system to mitigate harmonic distortions and maintain a unity power factor. SAPF is generally designed by a two-level inverter with a low power rating. The T-type inverter topology offers advantages such as reduced switching losses and enhanced efficiency compared to conventional inverters. The previous literature lacks the use of a multi-level TNPC for SAPF. Using TNPC decreased THD levels drastically, and it is suitable for medium- and high-power applications. T-type inverter-based SAPFs are used to improve power quality and grid stability across diverse applications. This paper models 3L-TNPC in MATLAB, and the system's further performance is validated in the controller hardware in the loop (C-HIL) device.
Implementation of TNPC-Based Shunt Active Power Filters for Grid Harmonic Mitigation
2024-07-31
3677805 byte
Conference paper
Electronic Resource
English
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