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Optimal Dispatching Model of Electricity Retailers Considering Distributed Generator and Adjustable Load
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Affiliation:

1. School of Electrical Engineering, Southeast University, Nanjing 210096, China; 2. China Electric Power Research Institute, Beijing 100192, China

Abstract:

The reform of electricity sales is an important part of power system reform, whose focus is electricity retailers. In the electricity market environment, selling electricity purchased from market to users is the responsibility of electricity retailers. The development of the distributed generator and adjustable load has given electricity retailers more choices in addition to power purchased from market. How to meet the need of users and increase operation profit is a problem demanding prompt study in a competitive environment. Distributed generator and adjustable load are considered in the optimal dispatching model of electricity retailers whose objective is to maximize the day-ahead operation profit. The security constraints on the distribution network are also considered in the model. This paper is intended to relax the non-convex constraints on the model in order to solve the model in second-order cone programming. Finally, the modified IEEE 33-bus distribution system is used as a test case. The results of a case study show that distributed generator and adjustable load is an effective supplement to the power supply mode of electricity retailers to maximize operation benefits in the market environment while ensuring the safety of the system.

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Get Citation
[1]GU Wei, REN Jiayi, GAO Jun, et al. Optimal Dispatching Model of Electricity Retailers Considering Distributed Generator and Adjustable Load[J]. Automation of Electric Power Systems,2017,41(14):37-44. DOI:10.7500/AEPS20170217005
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History
  • Received:February 17,2017
  • Revised:May 15,2017
  • Adopted:March 07,2017
  • Online: May 05,2017
  • Published: