A Voltage Control Strategy for Low Voltage Distribution System of Smart Grid

Author(s):  
Zitian Qiu ◽  
Yongqiang Liu ◽  
Zhaowen Liang ◽  
Fan Ouyang ◽  
Bo Yuan
Electronics ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 128
Author(s):  
Yanyu Luo ◽  
Minyou Chen ◽  
Wenfa Kang ◽  
Xiaoluo Sun

A high proportion of photovoltaic (PV) connections to a low-voltage distribution network (LVDN) causes serious voltage problems. In order to ensure voltage stability for renewable energy networks, we propose a distributed reactive voltage control strategy that is event-triggered. The voltage information of the PV nodes is transmitted to the upper layer of the communication network, where the agent calculates the output set value of the PV inverter. The underlying control strategy is based on the voltage sensitivity matrix, and the upper-level control strategy is based on an event-triggered consensus protocol. This strategy can accommodate the requirements for multi-time modeling and control. We verified the convergence of the event-triggered control algorithm using numerical analysis and proved the reduction of the communication times. We conducted case studies and simulation experiments to verify the effectiveness of our proposed voltage control strategies.


Author(s):  
Feng Zhang ◽  
Xiaolong Guo ◽  
Xiqiang Chang ◽  
Guowei Fan ◽  
Lianger Chen ◽  
...  

2016 ◽  
Vol 100 ◽  
pp. 271-279 ◽  
Author(s):  
Mohamed M. Aly ◽  
Emad A. Mohamed ◽  
Hossam S. Salama ◽  
Sayed M. Said ◽  
Mamdouh Abdel-Akher ◽  
...  

2019 ◽  
Vol 55 (4) ◽  
pp. 4235-4246 ◽  
Author(s):  
Muhammad Ahmed ◽  
Rojan Bhattarai ◽  
Sheikh Jakir Hossain ◽  
Sherif Abdelrazek ◽  
Sukumar Kamalasadan

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 832
Author(s):  
Yue Zhang ◽  
Anurag Srivastava

Due to the increasing penetration of distributed energy resources (DERs) required for the sustainable distribution system, new voltage control strategy is needed by utilities. Traditional voltage control strategy can not support the increasing number of DERs in a coordinated and scalable manner to meet the operational voltage regulation requirement. Supported by the power electronics converter, the energy storage system can provide fast, smooth, and flexible voltage control services. In this paper, an effective and easy to implement sensitivity-based voltage control strategy is developed for the energy storage system. The developed control strategy is validated using an industrial feeder data in Northwest Washington. The proposed strategy can mitigate the voltage unbalance issue, improve the voltage profile, and correct power factors while supporting sustainable distribution system operation.


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