scholarly journals Low-Voltage Ride Through Strategy for MMC with Y0/Y0 Arrangement Transformer Under Single-Line-to-Ground Fault

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Xiaohe Wang ◽  
Xu Cai ◽  
Qing Chen ◽  
Bin Lin ◽  
Rui Xie
Keyword(s):  
Low Voltage ◽  
Single Line ◽  
Low Voltage Ride Through ◽  
Ground Fault

scholarly journals Design of a Microgrid with Low-Voltage Ride-Through Capability and Simulation Experiment

2014 ◽  
Vol 2014 ◽  
pp. 1-8
Author(s):  
Wenchao Fan ◽  
Zaijun Wu ◽  
Xiaobo Dou ◽  
Minqiang Hu ◽  
Jieru Wei ◽  
...  
Keyword(s):  
Low Voltage ◽  
Distribution Network ◽  
Fault Recovery ◽  
Voltage Distribution ◽  
Distribution Grid ◽  
Distributed Generations ◽  
Low Voltage Ride Through ◽  
Ground Fault ◽  
Islanded Mode ◽  
Network Fault

A microgrid with low-voltage ride-through capability is designed. The designed microgrid avoids operating in unplanned islanded mode during an asymmetric ground fault which occurs in the low voltage distribution network and supports fault recovery for distribution network. Furthermore, compared with the traditional microgrid topology, the proposed microgrid topology also saves a lot of power electronic devices. The simulation results with PSCAD/EMTDC show that the microgrid can keep the distributed generations and loads operate normally when an asymmetric ground fault occurs in the low voltage distribution grid. It can also increase the active power output according to the requirement of the distribution network to support the distribution network fault recovery.

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