TY  - SER
AU  - Sun, Guangyu
AU  - li, Yongli
AU  - Jin, Wei
TI  - An Improved Multi-Tuned Filter  for  High Power Photovoltaic Grid-Connected Converters Based on Digital Control
KW  - Digital Control
KW  - Pwm
KW  - High Power Grid-Connected Photovoltaic Converter
ER  -