TPCPF: Three-phase Continuation Power Flow Tool for Voltage Stability Assessment of Distribution Networks with Distributed Energy Resources

Author(s):  
Pramila Nirbhavane ◽  
Leslie Corson ◽  
Syed Rizvi ◽  
Anurag K Srivastava
Author(s):  
Reza Arghandeh ◽  
Ahmet Onen ◽  
Jaesung Jung ◽  
Danling Cheng ◽  
Robert Broadwater ◽  
...  

Smart realization involves a steady increase in inverter-based components like Distributed Energy Resources (DER), energy storage systems, and plug-in electric vehicles. The harmonics related to DER inverters and the spread of power electronic devices raises concerns for utilities and customers. Harmonics can create component failures, thermal losses and control system malfunctions. In this paper the authors analyze the impact of multi-source harmonics from DERs inside distribution networks. The harmonics impacts are evaluated by harmonic measurement indices. Harmonic emission in a real distribution circuit is simulated with the help of power flow analysis. The results are presented with visualization techniques to give a better picture of harmonic propagation vs. different levels of harmonic source magnitude and angle. Due to effect of harmonic on network efficiency, a sensitivity analysis considering power factors is conducted.


2015 ◽  
Vol 785 ◽  
pp. 647-651
Author(s):  
Jian Hua Zhou ◽  
Tao Xu ◽  
Xiao Xue Wang ◽  
Tian Chu Li ◽  
Jun Lin

With the growing penetration of distributed energy resources on the network the operation regime has been changed from passive to active which brings a number of impacts to the network including voltage control, power flow management and protection issues etc. As one of the dominant impact, the voltage control strategy has become a key enabling technology for the deployment of renewable energy systems. This paper provides a comprehensive review on voltage control for active distribution networks, the efficiency and practicability have been studied in details.


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