Volume 11, Issue 3 (2011)
MJEE 2011, 11(3): 29-38 |
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1- Research Assistant at Niroo Research Institute (NRI), Tehran, Iran.
2- Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran.
2- Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran.
Abstract: (3674 Views)
The paper tries to present an improved mathematical model for distribution companies (DISCOs) in order to solve Distribution Network Expansion Planning (DNEP) problems in the presence of certain resources of Distributed Generations (DGs) entitled small scale Gas Engines in the medium voltage grids. With the aim of minimizing investment and operation costs, the recommended model combines a comprehensive multi-objective optimization model with grid designer’s experience and power transit possibility in retail trading. The proposed model determines the optimal capacity of new transformers, and the most efficient type and route of the expandable medium voltage feeders under probable power transit condition in retail markets. In addition, this model maintains system reliability along with an innovative formulation. The scenario-based results obtained after implementing this method on a typical distribution grid modeled under GAMS software platform indicate that the proposed model is really suitable for expanding distribution grids.
Keywords: Systmhay restructuring of power, distribution Shbkhhay development planning, small gas engine generators, Khrdhfrvshy market power, electricity transit
Received: 2015/04/7 | Accepted: 2015/03/21 | Published: 2015/04/7
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