Design of a SRF Based MC UPQC Used for Load Voltage Control in Parallel Distribution Systems

ABSTRACT:

This paper manages another plan dynamic model of synchronous-reference-outline (SRF)- based control in three stage framework under various load contemplations to enhance control quality by utilizing power conditioner with multi converters. The proposed MCUPQC framework can control the heap voltages/transport voltages on Parallel power appropriation frameworks under adjusted and contorted load conditions and acquire the state space demonstrate for MC-UPQC. The reenactment results to help the SRF-based control strategy displayed in this paper is finished utilizing Matlab/Simulink.

  

BLOCK DIAGRAM:

Fig.1.The single line diagram of conventional MC-UPQC

 

 EXPECTED SIMULATION RESULTS:

Fig. 2.a and b. the phase bus voltage, VS1 and load voltage VL1

Fig. 3.c and d. the phase bus voltage, VS2 and load voltage VL2

Fig.4.a & b. the phase Source Current, IS1 and Load CurrentIL1

Fig. 5 and 6 .a, b and c. The phase bus voltage, injected voltage and load Voltages

Fig. 7.a, b and c. The phase Source Currents (IS1), load Currents (IL1) and DC Capacitor Voltage(VDC).

Fig. 8.a, b, c, d, e and f. the phase bus voltage (VS1), load Voltages (VL1), load Voltages (VL2), the phase source currents (IS1), load Currents (IL1) and DC Capacitor Voltage (VDC).

  

CONCLUSION:

In this paper the SRF Based control MC-UPQC for directs of load voltage and load current in adjoining parallel feeder has been proposed and contrasted with a customary MC-UPQC, the proposed control topology is able to do completely ensuring basic and touchy burdens against sudden evolving loads, voltage list/swells, and blame interference in two-feeder circulation frameworks. The execution of the SRF based MC-UPQC is tried under different unsettling influence conditions.

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