Next Article in Journal
A Key Management Scheme for Mobile Wireless Sensor Networks
Next Article in Special Issue
Ideal Operation of a Photovoltaic Power Plant Equipped with an Energy Storage System on Electricity Market
Previous Article in Journal
Relationship between Amount of Daily Movement Measured by a Triaxial Accelerometer and Motor Symptoms in Patients with Parkinson’s Disease
Previous Article in Special Issue
An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
Article

Decision Optimization for Power Grid Operating Conditions with High- and Low-Voltage Parallel Loops

by 1, 1, 2 and 2,*
1
State Grid Shandong Electric Power Research Institute, Jinan 250003, China
2
Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, Jinan 250061, China
*
Author to whom correspondence should be addressed.
Academic Editor: Eric Ka-wai Cheng
Appl. Sci. 2017, 7(5), 487; https://doi.org/10.3390/app7050487
Received: 15 March 2017 / Revised: 26 April 2017 / Accepted: 5 May 2017 / Published: 9 May 2017
(This article belongs to the Special Issue Energy Saving)
With the development of higher-voltage power grids, the high- and low-voltage parallel loops are emerging, which lead to energy losses and even threaten the security and stability of power systems. The multi-infeed high-voltage direct current (HVDC) configurations widely appearing in AC/DC interconnected power systems make this situation even worse. Aimed at energy saving and system security, a decision optimization method for power grid operating conditions with high- and low-voltage parallel loops is proposed in this paper. Firstly, considering hub substation distribution and power grid structure, parallel loop opening schemes are generated with GN (Girvan-Newman) algorithms. Then, candidate opening schemes are preliminarily selected from all these generated schemes based on a filtering index. Finally, with the influence on power system security, stability and operation economy in consideration, an evaluation model for candidate opening schemes is founded based on analytic hierarchy process (AHP). And a fuzzy evaluation algorithm is used to find the optimal scheme. Simulation results of a New England 39-bus system and an actual power system validate the effectiveness and superiority of this proposed method. View Full-Text
Keywords: parallel loop; line switching; complex network theory; GN algorithm; comprehensive evaluation model parallel loop; line switching; complex network theory; GN algorithm; comprehensive evaluation model
Show Figures

Figure 1

MDPI and ACS Style

Yang, D.; Zhao, K.; Tian, H.; Liu, Y. Decision Optimization for Power Grid Operating Conditions with High- and Low-Voltage Parallel Loops. Appl. Sci. 2017, 7, 487. https://doi.org/10.3390/app7050487

AMA Style

Yang D, Zhao K, Tian H, Liu Y. Decision Optimization for Power Grid Operating Conditions with High- and Low-Voltage Parallel Loops. Applied Sciences. 2017; 7(5):487. https://doi.org/10.3390/app7050487

Chicago/Turabian Style

Yang, Dong; Zhao, Kang; Tian, Hao; Liu, Yutian. 2017. "Decision Optimization for Power Grid Operating Conditions with High- and Low-Voltage Parallel Loops" Appl. Sci. 7, no. 5: 487. https://doi.org/10.3390/app7050487

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop