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Techno-economic analysis of distribution system at various load models using MEWOA algorithm.

Rinchen Zangmo1, Suresh Kumar Sudabattula2, Nagaraju Dharavat3

  • 1School of Electronics & Electrical Engineering, Lovely Professional University, Phagwara, 144411, Punjab, India.

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|March 11, 2025
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Summary

Optimally integrating distributed energy resources (DERs) into distribution systems (DS) is crucial. The Multi-Objective Evolution of the Whale Optimisation Algorithm (MEWOA) effectively optimizes DER placement and sizing, enhancing system performance and reducing costs.

Keywords:
Annual economic lossDistributed energy resources (DERs)MEWOAPower lossVoltage profileVoltage stability index (VSI)

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Area of Science:

  • Electrical Engineering
  • Optimization Algorithms
  • Power Systems

Background:

  • Increasing electricity demand necessitates integrating distributed energy resources (DERs) into distribution systems (DS).
  • Suboptimal DER integration leads to technical challenges including power quality, stability, reliability, and voltage management issues.
  • Effective optimization techniques are vital for addressing DER integration challenges.

Purpose of the Study:

  • To propose and evaluate the Multi-Objective Evolution of the Whale Optimisation Algorithm (MEWOA) for optimal DER integration into DS.
  • To enhance voltage profiles, reduce power loss (PLoss), and minimize operational costs.
  • To demonstrate the superiority of MEWOA over existing optimization algorithms.

Main Methods:

  • Utilizing MEWOA, inspired by whale hunting strategies, to optimize DER location and sizing.
  • Considering multiple objectives: voltage variation, PLoss reduction, and operational cost.
  • Conducting extensive simulations on the Indian 28-bus and IEEE 69-bus distribution systems.

Main Results:

  • Significant improvement in voltage profiles across the distribution systems.
  • Demonstrated reduction in PLoss, leading to cost savings and revenue generation.
  • MEWOA exhibited faster convergence and superior solution quality compared to GOA, DA, and WOA.

Conclusions:

  • MEWOA is a successful and efficient optimization technique for DER integration into DS.
  • The proposed approach enhances distribution system performance, reduces operational expenses, and mitigates environmental impact.
  • Optimized DER integration using MEWOA leads to improved power system efficiency and economic benefits.