采用非线性桥臂电感的准两电平PWM运行模块化多电平变换器

Quasi-two-level PWM operation of modular multilevel converters enables very low module capacitance even at low machine speeds and high torques while the current distortion is tolerable. In this article, the application of nonlinear inductors together with this operation mode is investigated to further decrease the module capacitances. The requirements for the inductors are analytically derived and...