To decrease Total Harmonic Distortion, the Pulse Modulated Switching Cascaded H-bridge Multilevel Inverter (PM-SCHM) is recommended. In the PM-SCHM approach, a multi-level inverter is structured in an H-bridge Cascaded way. With in contrary way, a shunt Active Power Filter (APF) would indeed be employed to compensate for current harmonic intensity. The PM-SCHM technology, which uses a Linear Quadratic Regulator to organise constituents, is given a pulse modulation approach (LQR). In the established LQR method, a load is being used to balance for source voltage. This study focused on 5th order harmonics with a relatively high frequency as a starting point. The comparative analysis of simulation results exhibited that the proposed Pulse Modulated Switching based Cascaded H-bridge Multilevel Inverter PM-SCHM scheme exhibits significant performance rather than the conventional technique. © 2022 Elsevier B.V., All rights reserved.