Power Quality in Low-Voltage Distribution Network with Distributed Generation

2015 ◽  
Vol 1 (6) ◽  
pp. 34-41 ◽  
Author(s):  
Tomasz SIKORSKI
Keyword(s):  
Power Quality ◽  
Distributed Generation ◽  
Low Voltage ◽  
Distribution Network ◽  
Voltage Distribution

Modified Suggestions for Distribution Automation Standards to Coping with DG Connected to the Power Grid

2014 ◽  
Vol 672-674 ◽  
pp. 1281-1287
Author(s):  
Xiao Rui Jing ◽  
Qiang Fu ◽  
Bo Yang
Keyword(s):  
Power Quality ◽  
Distributed Generation ◽  
Low Voltage ◽  
Power Grid ◽  
Rapid Development ◽  
Distribution Network ◽  
Distribution Automation ◽  
Solar Photovoltaic ◽  
Voltage Distribution ◽  
Power Sources

With the rapid development of energy-saving and environmentally friendly power sources, such as solar photovoltaic and biomass power, the demand of distributed generation (DG) systems connected to the low-voltage distribution network is increasing. Distributed generation systems connected to the low-voltage distribution network will impact power quality, security and stability operation of power grid. So power companies should strengthen the supervision of DG. Based on the research of domestic and foreign DG monitoring standards, this paper sorts out the DG relevant provisions in existing distribution automation standards, and proposes some modified suggestions in the existing distribution automation standards to cope with DG connected to the distribution network.

Study on Protection Scheme for Low-voltage Distribution Network with Distributed Generation

2013 ◽  
Vol 12 (16) ◽  
pp. 3655-3659 ◽  
Author(s):  
Zhu Xueling ◽  
Zhou Ning ◽  
Han Fei ◽  
Li Qiang ◽  
Li Daokuan
Keyword(s):  
Distributed Generation ◽  
Low Voltage ◽  
Distribution Network ◽  
Voltage Distribution ◽  
Protection Scheme

The Research of Unbalanced Three-Phase Adjustment in Distribution Network

2012 ◽  
Vol 263-266 ◽  
pp. 649-654
Author(s):  
Yan Wei Zheng ◽  
Zhong Hai Bai ◽  
Zhi Quan Feng
Keyword(s):  
Power Quality ◽  
Single Phase ◽  
Low Voltage ◽  
Distribution Network ◽  
Voltage Distribution ◽  
Phase Adjustment ◽  
Adjustment Strategy ◽  
Three Phase ◽  
Network Losses

To balance three-phase loads in distribution network with abundant of single-phase loads, the idea of three-phase adjustment and wiring method is proposed in this paper. Three-phase adjustment controller is designed, and the least load adjustment strategy is proposed, which can adjust the three-phase load to roughly balance automatically. The system can solve the serious three-phase unbalance problem of the lines with single-phase load, which may instead of capacitive compensation in low voltage distribution network. It can improve power quality and reduce network losses.

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