Text this: A constrained inter-submodule state-of-charge balancing method for battery energy storage systems based on the cascaded H-bridge converter

 __   _      ___      ______    _____    _    _   
| || | ||   / _ \\   /_   _//  |  ___|| | || | || 
| '--' ||  / //\ \\  `-| |,-   | ||__   | || | || 
| .--. || |  ___  ||   | ||    | ||__   | \\_/ || 
|_|| |_|| |_||  |_||   |_||    |_____||  \____//  
`-`  `-`  `-`   `-`    `-`'    `-----`    `---`