Abstract

Electrical energy affect to economic, electrical energy consumption will increase and decrease likely economics. In this globalization era, electricity consumption was increased trend yearly since industrialization era. The reliability Electrical energy is very important for economic growth. The lower SAIDI and SAIFI is the bench mark for reliability of electrical energy supply. The reliable of insulator cover type: YSL-70-AP affect to the reliability electrical distribution energy on over head distribution circuit. Insulator cover protected to over head distribution circuit againt animal, bird, tree ang other temporary disturbance. Insulator cover also to protect half insulated medium voltage cable againt partial discharge and flashover.   Over voltage stress more often during operation, to impact to the material insulation performance. This quantitative research founding:  insulator cover type: YSL-70-AP still feasible to use after voltage breakdown stress. The fault current is still under the maximum allowable leakage current (11,600 micro ampere) which is 41.61 micro ampere, and breakdown voltage is still   higher than minimum that specified (24 kilo volt), which is 49.63 kilo volt. Post breakdown voltage the material insulation performance of insulator cover type: YSL-70-AP is good, and reliable to continuous operation over head distribution circuit.

Highlights

  • Energy consumption in globalization can go up and down and may not always increase yearly, it tends to increase in period 1992 to 2011 [1]

  • This research is quantitative research trough value measured, calculation and analysis. The formulation of these problems will be discussed by samples testing of post voltage breakdown stress tested to Insulator Cover type : YSL-70-AP at the high voltage laboratory of Malang Brawijaya University

  • This study found that after breakdown voltage stress, isolators cover are still feasible to use continuously in over head distribution system with AAAC or AAAS-S conductors

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Summary

Introduction

Energy consumption in globalization can go up and down and may not always increase yearly, it tends to increase in period 1992 to 2011 [1]. Energy consumption includes: oil, electricity and others. The world economic activity strongly influenced by electrical energy consumption. There was bidirectional causality between economic growth and electricity consumption [2].

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