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Distribution System Analysis with UPQC Allocation Considering Voltage Dependent Time-Variant and Invariant Loads including Load Growth Scenario

Abstract

The distribution systems provide the key link between the power utility and the consumers. For the better operation and planning of the electrical distribution systems, it is essential to analyze the behavior of the network with different nature of loads, its growth and new upcoming D-FACTS devices. In the present work, the authors analyzed distribution system in the presence of UPQC as Distribution FACTS device. The main highlights of the paper are: (i) analysis of distribution system with UPQC, (ii) reduction in the losses of the network and improvement in the voltage profile, (iii) impact of load models and load growth on the performance of system, and (iv) savings in cost of energy loss. The analysis is carried out on IEEE-33 bus radial distribution network with time-varying load and UPQC.

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Abbreviations

CP:

Constant power

FACTS:

Flexible AC transmission systems

LFA:

Load flow analysis

RDN:

Radial distribution network

RUVMN:

Rate of under-voltage mitigated nodes

SLG:

Single line diagram

TPL:

Total active power loss

TPS:

Total active power supplied

TQL:

Total reactive power loss

TQL:

Total reactive power supplied

UPQC:

Unified power quality conditioner

VSC:

Voltage source converter

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Singh, M.K., Kumar, A. & Gupta, A.R. Distribution System Analysis with UPQC Allocation Considering Voltage Dependent Time-Variant and Invariant Loads including Load Growth Scenario. J. Inst. Eng. India Ser. B 103, 791–807 (2022). https://doi.org/10.1007/s40031-021-00695-2

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Keywords

  • Distribution system
  • UPQC
  • Time-variant and invariant loads
  • Load growth
  • Rate of under-voltage mitigated nodes