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Optimal locations and sizing of capacitors in radial distribution systems using mine blast algorithm

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Abstract

In this paper, a mine blast algorithm (MBA) is proposed for optimal allocations and sizing of capacitors in various distribution systems. First, the most candidate buses for installing capacitors are suggested using loss sensitivity factors (LSF). Then, the proposed MBA is employed to deduce the size of capacitors and their locations from the elected buses. The objective function is designed to reduce the total cost and, consequently, to increase the net saving per year. The proposed algorithm is tested on 10 and 85 bus radial distribution systems. The obtained results via the proposed algorithm are compared with others to highlight their benefits. Moreover, the results are introduced to verify the effectiveness of the suggested algorithm to minimize the losses and total cost and to enhance the voltage profile and net saving for various distribution systems and loading conditions.

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Abbreviations

\(P_k ,Q_k \) :

The total effective active and reactive power supplied behind the bus ‘k

\(V_k \) :

The magnitude of voltage at bus k

\(R_{ik}, X_{ik}\) :

The resistance and reactance of transmission line between bus ‘i’ and ‘k

\(V_i \) :

The magnitude of voltage at bus i

\(X_o \) :

The generated first shot point

\(\mathrm{LB}\) :

The lower bounds of the problem

\(\mathrm{UB}\) :

The upper bounds of the problem

\(\mathrm{rand}\) :

The uniformly distributed random number between 0 and 1

\(N_d \) :

The search space dimension equal to the number of independent variables

\(\theta \) :

The angle of the shrapnel pieces which is calculated using \(\theta =360/N_S\)

\(N_S \) :

The number of shrapnel pieces

\(N_{\mathrm{pop}} \) :

The number of initial population

\(X_{e(n+1)}^f \) :

The location of exploding mine bomb collided by shrapnel

\(d_{n+1}^f \) :

The distance of the thrown shrapnel pieces in each iteration

\(m_{n+1}^f \) :

The direction of the thrown shrapnel pieces in each iteration

F :

The function value for the X

\(\mu \) :

The exploration factor

\(K_P \) :

The cost per KW-Hours

\(P_{Loss} \) :

The total power losses after compensation

T :

The time in hours

D :

The depreciation factor.

CB :

The number of compensated buses

\(K_C \) :

The cost per Kvar

\(K_I \) :

The cost per installation

\(Q_{Ci} \) :

The value of installed reactive power in Kvar

\(K_o \) :

The operating cost

\(P_{\mathrm{Swing}}\) :

The active power of swing bus

\(Q_{\mathrm{Swing}}\) :

The reactive power of swing bus

L :

The number of transmission line in a distribution system

Pd(q) :

The demand of active power at bus q

Qd(q):

The demand of reactive power at bus q

N :

The number of total buses

\(V_{\min }\) :

The minimum voltage at bus i

\(V_{\max }\) :

The maximum voltage at bus i

PF :

Power factor

\(PF_{\min }\) :

The minimum power factor

\(PF_{\max }\) :

The maximum power factor

\(PF_{\mathrm{sys}}\) :

The power factor at swing bus

\(S_{\mathrm{Li}} \) :

The actual complex power in line i

\(S_{\mathrm{Li(rated)}}\) :

The rated line complex power in that line i

MBA:

Mine blast algorithm

LSF:

Loss sensitivity factors

SA:

Simulated annealing

TS:

Tabu search

GA:

Genetic algorithm

PSO:

Particle swarm optimization

PGSA:

Plant growth simulation algorithm

DSA:

Direct search algorithm

TLBO:

Teaching learning-based optimization

CSA:

Cuckoo search algorithm

ABC:

Artificial bee colony

ACO:

Ant colony optimization

BF:

Bacteria foraging

FA:

Firefly algorithm

HS:

Harmony search

IHA:

Improved harmony algorithm

DE:

Differential evolution

FPA:

Flower pollination algorithm

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Abd Elazim, S.M., Ali, E.S. Optimal locations and sizing of capacitors in radial distribution systems using mine blast algorithm. Electr Eng 100, 1–9 (2018). https://doi.org/10.1007/s00202-016-0475-1

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