Abstract
This paper bestows a biological immune feedback control for DSTATCOM hinge on fuzzy logic techniques. The proposed algorithm relies on adaptive and self-corrective. An immune feedback algorithm proposed for DSTATCOM can balance loads, estimate fundamental grid currents from nonlinear load currents, maintain unity power factor, reduce harmonics of the supply currents and can mitigate reactive power. DSTATCOM’S configuration chosen relies on 3-Φ VSC that is appropriately controlled as a shunt compensator to perform on power quality issues. Replacing of ANFIS-PID (hybrid) controller in immune feedback control where, ANFIS is collaboration of fuzzy logic and neural network system, hybrid controller for DSTATCOM can perform better over PI controller. Simulation is directed using MATLAB to prove performance of the system by replacing hybrid controller, enhancement in power quality (PQ) is achieved.
Highlights
Engineers are more worried about quality in power which is a crucial measure for customers
One of such recent custom power is DSTATCOM which is a shunt connected device [3] used to reduce the current related to power quality problems and it can be controlled in different operating modes.The profound literature evaluation has shown different control methods for shunt compensator [4,5], which are used to approximate the switching pulses for DSTATCOM, initial components of grid reference currents
Immune feedback control algorithm performances with PI and hybrid(ANFIS-PID) controller in speed of weight convergence, error signals, harmonics compensation in Isa, time T taken for the process with two controllers of the algorithm are in fig. 12 and fig 13
Summary
Engineers are more worried about quality in power which is a crucial measure for customers. IEEE-519 standard defines the principles to delimit harmonics and other power quality allied issues [2].To recompense differing PQ issues in distribution side, an up swing in quality of power are achieved by developing varieties of custom power devices which are power electronic based devices One of such recent custom power is DSTATCOM which is a shunt connected device [3] used to reduce the current related to power quality problems and it can be controlled in different operating modes.The profound literature evaluation has shown different control methods for shunt compensator [4,5], which are used to approximate the switching pulses for DSTATCOM, initial components of grid reference currents. Simulation results with proposed algorithm by replacing hybrid (ANFIS-PID) controller, can signify the distinctive characteristics and can perform better over PI and enhancement in PQ is achieved
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