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Research Article |

Passive Voltage Regulation System for Remote Power Tapping from High-Voltage Transmission OHGW

Author(s): Saad Mohsen Hazzaa1, Baraa Ahmed Shawqi Kamal2, Alyaa Ali Hameed3*

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 13, Issue 3

Publisher : FOREX Publication

Published : 30 August 2025

e-ISSN : 2347-470X

Page(s) : 429-437

DOI: https://doi.org/10.37391/IJEER.130306

Abstract

It is a real challenge to bring reliable and stable power to remote locations, critical facilities such as telecommunication towers, because it is costly and challenging to expand the conventional power distribution networks. In this paper, a new power supply system is proposed that can overcome this problem by exploiting common overhead ground wire (OHGW) energy transmission lines that run high-voltage (HV). The principle of action is that the system isolates a portion of the OHGW and applies an alternating current (AC) voltage to it by capacitively coupling it to the phase conductors of a transmission line. To take an example, a 4-km span of OHGW on a 735 kV line can produce a maximum power of 25 kW of power which is modelled as a 52.4 kV Thevenin source with the capacitive impedance as 26nF. The main problem is to achieve a stable output voltage (within 5%) across a large load range (0 to 25 kW) without the need for complex control systems, power electronics and so on. To obtain good regulation, this problem is solved using a mix of passive components, nonlinear inductances, and a unique magnetic component, IVACE. Simulation studies have proved that the system could sustain a load voltage of about 62 kV, and the system would be fault resistant and could recover fast with a load disturbance. Harmonic analysis: The value of the total harmonic distortion (THD) is 6.5 per cent at no load and 4.7 per cent at nominal load, with the third harmonics as the most important factor. This method has the advantage as compared to other means of power supply to remote regions, where expansion of the HV transmission network is not needed, and the method is a low-cost and low-maintenance method that can be implemented quickly.

Keywords: High-Efficiency Electrical Systems, Energy Consumption, Voltage Stability, Power Supply, Remote Applications, Capacitive Coupling, OHGW, Power Regulation.




Saad Mohsen Hazzaa, Electrical Engineering Department, Tikrit University, Iraq; Email: saad.m.hazaa@tu.edu.iq

Baraa Ahmed Shawqi Kamal, Electrical Engineering Department, Tikrit University, Iraq; Email: Baraa.k.78@gmail.com

Alyaa Ali Hameed, Electrical Engineering Department, Tikrit University, Iraq; Email: alyaa.ali@tu.edu.iq

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Saad Mohsen Hazzaa, Baraa Ahmed Shawqi Kamal, and Alyaa Ali Hameed(2025), Passive Voltage Regulation System for Remote Power Tapping from High-Voltage Transmission OHGW. IJEER 13(3), 429-437. DOI: 10.37391/IJEER.130306.