A Discrete-Time Low-Frequency-Ratio Nearest Level Modulation Strategy for Modular Multilevel Converters With Small Number of Power Modules.
Ke ShenShaozhe WangDan ZhaoGuodong ZhaoPublished in: IEEE Access (2019)
Keyphrases
- low frequency
- high frequency
- small number
- wavelet transform
- frequency domain
- modular structure
- wavelet coefficients
- wavelet analysis
- subband
- modular architecture
- low pass
- low and high frequency
- discrete wavelet transform
- high frequency components
- modular neural network
- frequency band
- electromagnetic fields
- image analysis
- power consumption
- power electronics