Other

Global Energy Interconnection Research Institute Co. Ltd

State Grid Beijing Electric Power Company

State Grid Corporation of China Co., Ltd

Xiaoying Zhao

Di Shi

Zhiwei Wang

Wei Li

Haifeng Li

Ruisheng Diao

Zhehan Yi

Xiaohu Zhang

Feng Xue

Jiangchao Qin

Chaoyang Jing

Huimin Peng

A method to simulate a circuit includes receiving at least one circuit requirement and at least one Modular Multilevel Converter (MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and DC grids in a hybrid AC and DC power system.

Generalized equivalent circuit model of MMC-HVDC for power system simulation

Systems and methods are disclosed to control a power inverter by extracting photovoltaic (PV) maximum power under a plurality of operating conditions as one or more reference variables; predicting the future behaviors of a PV output voltage as one or more controlled variables based on a current operational condition; generating one or more control signals for the H5 inverter that minimizes an error between the reference variable and the controlled variables; and controlling the power inverter with the one or more control signals.

MPC-based PV maximum power point tracker for transformerless H5 inverter with leakage current reduction

Growing community of inventors

San Jose, CA, United States of America

Xiaoying Zhao