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All Journal Bulletin of Electrical Engineering and Informatics
Manjunatha Babu Pattabhi
BMS institute of Technology and Management
Electrical & Electronics Engineering

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Reliability enhancement of radial distribution system by placing the reactive power compensators and distribution systems Manjunatha Babu Pattabhi; Krishna Shanmukha Sundar; Bengaluru Rangappa Lakshmikantha
Bulletin of Electrical Engineering and Informatics Vol 12, No 3: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v12i3.4515

Abstract

Distribution systems (DSs) are highly stressed with addition of newer loads like electric vehicle charging stations and lower scope for expansion due to urbanization. Any line outage could cause interruption to major loads. Reliability studies have gained importance for lowering the frequency and lowering the duration of interruption for supply systems. In this paper a bi-stage method for optimum placement of reactive power compensation devices and distributed generations (DGs) for enhancing voltage stability and system reliability. A new method named delta analysis method is used to optimally locate the reactive power compensation devices and DGs. IEEE-33 radial DS, which is taken as experimental system. Based on the study, the fixing of reactive power compensation devices and DGs are to increase voltage outline of buses and decrease power fatalities. After the placement of DGs, the enhancement in reliability indices following line contingency is studied using MATLAB simulation.
Design and analysis of peaking capacitor for generation of high voltage fast risetime pulses Madhu Palati; Manjunatha Babu Pattabhi; Ozwin Dominic Dsouza
Bulletin of Electrical Engineering and Informatics Vol 15, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v15i3.10297

Abstract

High voltage pulses of short duration are required in certain applications, here precise and rapid electrical energy delivery is required. These include applications like pulsed power system, high speed switching circuits, plasma generation circuits, high speed imaging, non-thermal food processing. One of the best and cheap methods of producing the high voltage fast rise time pulses is using Peaking capacitor. Designing a high-voltage peaking capacitor requires careful consideration of various factors such as voltage rating, capacitance value, energy storage capacity, physical size, dielectric material, and safety measures. In this paper, designing of 200 pF, 300 kV peaking capacitor is presented and simulation is carried out in PSPICE. The maximum peak voltage across the peaking capacitor, the time to reach peak voltage, and the maximum peaking current obtained are 290 kV, 98.9 ns, and 22.41 kA, respectively. Also, to study the electric field of the medium used in peaking capacitors, Quick field software is used. The maximum electric field in Perspex, used as a dielectric medium, was 13 kV/mm.
Co-Authors Bengaluru Rangappa Lakshmikantha Krishna Shanmukha Sundar Madhu Palati Ozwin Dominic Dsouza