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Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.7, No. 12)

Publication Date:

Authors : ; ;

Page : 164-180

Keywords : Energy Efficiency; Distributed Energy Resources; Distributed Generation; Low Voltage Distribution System; High Voltage Distribution System; Distribution Handling System.;

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The paper presents Energy Efficiency(EE) and Reliability in Electrical Distribution System . In the Distribution Handling System (DHS), the vital necessity for the improvement of Energy Efficiency is loss reduction. About 10% of power generated is lost in its delivery System. Out of this, about 40% loss happens in distribution system. Loss saving can be realized by governing the current flow through the conductors. Also, control of Reactive Volt Ampere (VAR) flow in the electrical network results in loss reduction. Voltage profile improvement occurs due to loss reduction. Traditionally, the most obtainable Reactive Volt Ampere resources in the distribution system are switchable shunt capacitor banks. Nowadays, Distributed Energy Resources(DER) are another added important VAR resource because of their growing penetration, that brings innovative chances as well as encounters for loss saving. By the coordinated control of these switchable shunt capacitor banks and Distributed Energy Resources, optimum loss reduction and power quality of distribution network can be realized. Distribution utilities, also, adopt On Load Tap Changer (OLTC), for voltage profile improvement . Another effective technique for enhancement of voltage profile and loss reduction in distribution network is implementation of High Voltage Distribution System (HVDS). Re-arranging the existing Low Voltage Distribution System (LVDS) into High Voltage Distribution System (HVDS). A large capacity Distribution Transformer (DTR) in Low Voltage Distribution System is replaced with many number of small capacity Distribution Transformers in High Voltage Distribution System. This paper presents the analysis of High Voltage Distribution System (HVDS), which is the best method to enhance the Energy Efficiency and Reliability of an Electrical Distribution system. This method reduces the length of LT lines and results in loss reduction, voltage profile improvement, reduction of power failure rate, reduction of accidents, reliability etc. Also, unauthorized power theft can be avoided ,unlike in LVDS. Simulink modeling of the above system is done in MATLAB platform. The results show that HVDS system improves the voltage profile and minimize the loss and thus maintain power quality

Last modified: 2018-12-21 20:46:07