Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets with D-STATCOM

doi:10.1007/s11708-017-0456-8

Front. Energy

2019, Vol. 13

Issue (1) : 86-98 https://doi.org/10.1007/s11708-017-0456-8

RESEARCH ARTICLE

Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets with D-STATCOM

Atma Ram GUPTA(

), Ashwani KUMAR(

)

Department of Electrical Engineering, National Institute of Technology, Kurukshetra, India

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Abstract

The aim of this paper is to analyze unbalanced radial distribution systems (UBRDS) with the distribution static compensator (D-STATCOM). The main objectives of this paper are D-STATCOM allocation in UBRDS with an objective of providing reactive power support to enhance voltage profile and reduce line losses of the distribution network, determination of optimal D-STATCOM rating subjected to minimization of total cost, and impact of D-STATCOM placement on improving power factor and savings in cost of energy loss. The analysis is conducted on a large industrial load model with light, medium and high loading scenarios. Further, the impact of load growth is also considered for better planning of the power distribution system. The results are obtained on standard 25-bus UBRDS to check the feasibility of the proposed methodology.

Keywords unbalanced distribution system D-STATCOM voltage sensitivity index load models load growth distribution network operator (DNO)

Corresponding Author(s): Atma Ram GUPTA,Ashwani KUMAR

Just Accepted Date: 12 January 2017 Online First Date: 21 February 2017 Issue Date: 20 March 2019

Cite this article:

Atma Ram GUPTA,Ashwani KUMAR. Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets with D-STATCOM[J]. Front. Energy, 2019, 13(1): 86-98.

URL:

https://academic.hep.com.cn/fie/EN/10.1007/s11708-017-0456-8
https://academic.hep.com.cn/fie/EN/Y2019/V13/I1/86

Fig.1 DNO operated competitive distribution power market

Fig.2 Three phase three wire unbalanced radial distribution circuit model

Fig.3 Equivalent circuit model of RDS

Fig.4 VSI profile for 25-bus UBRDS with large industrial motors

Fig.5 Flowchart for optimal D-STATCOM sizing

Fig.6 Cost analysis with placement D-STATCOM with rated load for 25-bus UBRDS

Fig.7 Cost analysis with D-STATCOM with load growth for 25-bus UBRDS

Tab.1 Results of Case 1 for 25-bus unbalanced radial distribution system

Tab.2 Results of Case 2 for 25-bus unbalanced radial distribution system

Tab.3 Results of Case 3 for 25-bus unbalanced radial distribution system

Tab.4 Results of Case 4 for 25-bus unbalanced radial distribution system

Fig.8 Voltage profile for 25-bus UBRDS with large industrial motors at light load

Fig.9 Voltage profile for 25-bus UBRDS with large industrial motors at medium load

Fig.10 Voltage profile for 25-bus UBRDS with large industrial motors at high load

Fig.11 Voltage profile for 25-bus UBRDS with large industrial motors with load growth

Fig.12 Percentage loss reduction obtained after installation of D-STATCOM

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