scholarly journals Improved Grid Voltage Control Strategy for Wind Farms with DFIGs Connected to Distribution Networks

2012 ◽  
Vol 12 (3) ◽  
pp. 495-502 ◽  
Author(s):  
Xueguang Zhang ◽  
Weiming Pan ◽  
Yicheng Liu ◽  
Dianguo Xu
Keyword(s):  
Control Strategy ◽  
Voltage Control ◽  
Wind Farms ◽  
Distribution Networks ◽  
Voltage Control Strategy ◽  
Grid Voltage

scholarly journals A Simplified Minimum DC-Link Voltage Control Strategy for Shunt Active Power Filters

Energies ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 2407 ◽  
Author(s):  
Yu Wang ◽  
Yuewu Wang ◽  
Si-Zhe Chen ◽  
Guidong Zhang ◽  
Yun Zhang
Keyword(s):  
Power Systems ◽  
Control Strategy ◽  
Rational Design ◽  
Control Strategies ◽  
Voltage Control ◽  
Active Power ◽  
Effective Control ◽  
Voltage Control Strategy ◽  
Grid Voltage ◽  
Modulation Ratio

The active power filter (APF) is a popular electrical device to eliminate harmonics in power systems. The rational design and effective control of DC-link capacitor voltage are important for implementing APF functions. In this study, the influences from the DC-link voltage on the APF compensating current characteristic and compensation performance are analyzed, and the reason to maintain DC-link voltage at a minimum value is investigated. On this basis, a simplified minimum DC-link voltage control strategy for APF is proposed. Compared with the existing DC-link voltage control strategies, the minimum DC-link voltage value in proposed strategy is only determined by the grid voltage and modulation ratio, reducing the calculation burden and the implementation difficulty in application, avoiding the interference from external parameters on the compensation effect. Additionally, the reference DC-link voltage varies at different values according to the grid voltage and modulation ratio. A shunt APF prototype is established and the experimental results verify the correctness and effectiveness of the analysis and proposed strategy.

MPC-Based Local Voltage Control Strategy of DGs in Active Distribution Networks

2020 ◽  
Vol 11 (4) ◽  
pp. 2911-2921
Author(s):  
Peng Li ◽  
Jie Ji ◽  
Haoran Ji ◽  
Jie Jian ◽  
Fei Ding ◽  
...  
Keyword(s):  
Control Strategy ◽  
Voltage Control ◽  
Distribution Networks ◽  
Voltage Control Strategy ◽  
Active Distribution Networks

scholarly journals A Decentralized Voltage Control Strategy of Soft Open Points in Active Distribution Networks

2019 ◽  
Vol 159 ◽  
pp. 412-417 ◽  
Author(s):  
Haoran Ji ◽  
Hao Yu ◽  
Guanyu Song ◽  
Peng Li ◽  
Chengshan Wang ◽  
...  
Keyword(s):  
Control Strategy ◽  
Voltage Control ◽  
Distribution Networks ◽  
Voltage Control Strategy ◽  
Active Distribution Networks

scholarly journals A two-level over-voltage control strategy in distribution networks with high PV penetration

2021 ◽  
Vol 130 ◽  
pp. 106763
Author(s):  
Mohammadreza Emarati ◽  
Mostafa Barani ◽  
Hossein Farahmand ◽  
Jamshid Aghaei ◽  
Pedro Crespo del Granado
Keyword(s):  
Control Strategy ◽  
Voltage Control ◽  
Distribution Networks ◽  
Voltage Control Strategy ◽  
Pv Penetration
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