SELECTION BASED OPTIMAL DG AND CAPACITOR PLACEMENT USING SALP SWARM ALGORITHM

In a distribution network timely varying load demand makes the operation and control more complex mostly in the high load density zones. The power loss of a distribution network will not be minimum with varying load demand for a fixed configuration of the network. Hence, timely reconfiguration of the network is required. Network reconfiguration is the process of varying the topological structure of feeders by altering the open/closed status of sectionalising and tie switches. In general, reconfiguration of the network is preferred to relive the overloaded feeders and to minimize real power loss in the distribution system. This Matlab design based on Salp Swarm Optimization Algorithm (SSA) for solving network reconfiguration and DG/Capacitor allocation by using Backward-Forward Sweep load flow analysis to minimise power loss and voltage deviation. The design tested in IEEE 33 and 69 Bus System using Matlab 2020a/2021b version to verify the performance by applying time varying load model and three different load conditions with 12 cases as below.

1. Base case

2. Only Reconfiguration

3. Only DG Allocation

4. Only Capacitor Allocation

5. DG allocation after Reconfiguration

6. Reconfiguration after DG Allocation

7. Capacitor allocation after Reconfiguration

8. Reconfiguration after Capacitor Allocation

9. Simultaneous Capacitor and DG Allocation

10. Simultaneous Reconfiguration and DG Allocation

11. Simultaneous Reconfiguration and Capacitor Allocation

12. Simultaneous Reconfiguration, DG and Capacitor Allocation

Load Conditions,

• Light Load Type Value=0.5

• Normal Load Type Value=1

• Heavy Load Type Value=1.6

GROUPING OF SIMILAR LOAD HOURS

Load Hours-1= [ 2, 3, 4, 5, 6]

Load Hours-2= [ 1, 7, 8, 23, 24]

Load Hours-3= [ 9, 18, 19, 21, 22]

Load Hours-4= [ 10, 11, 12, 13, 14, 15, 16, 17, 20]

LOCATION OF DIFFERENT CUSTOMERS

TYPE OF CUSTOMERS 33-BUS NUMBER 69-BUS NUMBER

RESIDENTIAL 1 to 18 1 to 27

INDUSTRIAL 19 to 22 28 to 46

COMMERCIAL 23 to 25 47 to 52 and 66 to 69

EDUCATIONAL 26 to 33 53 to 65

REFERENCES

Reference Paper-1: Optimal reconfiguration and renewable distributed generation allocation in electric distribution systems

Author’s Name: Kola Sampangi Sambaiah and T. Jayabarathi

Source: International Journal of Ambient Energy

Year: 2019

Reference Paper-2: Optimal reconfiguration and capacitor placement for power loss reduction of a distribution system using improved binary particle swarm optimization

Author’s Name: Mostafa Sedighizadeh. Marzieh Dakhem. Mohammad Sarvi and Hadi Hosseini Kordkheili

Source: Int J Energy Environ Eng

Year:2014

Reference Paper-3: Reconfiguration and optimal capacitor placement for losses reduction

Author’s Name: Diana P. Montoya and Juan M. Ramirez

Source: IEEE

Year:2012

Reference Paper-4: Genetic Algorithm based Network Reconfiguration in Distribution Systems with Multiple DGs for Time Varying Loads

Author’s Name: Chidanandappa. R, Dr.T.Ananthapadmanabha and , Ranjith. H.C

Source: Elsevier

Year:2015

DOWNLOAD the Matlab(P-code) encrypted code from the below URL,

https://drive.google.com/file/d/1EYzPdimMsrtrnE5kGVZmLDPqL4CT4eUZ/view?usp=sharing

SIMULATION VIDEO DEMO

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