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:: Volume 6, Issue 12 (3-2018) ::
ieijqp 2018, 6(12): 1-10 Back to browse issues page
Tapping Power from Overhead Guard Wire to Supply Telecommunication Site
Abstract:   (440 Views)
Abstract: Sometimes, high-voltage transmission lines passes from an area that there is impossible to build a distribution network, or building a substation is not cost-effective in that location. In this paper, a novel system is proposed that can be delivered the power via the overhead guard wire. The case study is a 400kV high-voltage transmission line with a Telecommunication site with low power consumption. In this proposed system, the electromagnetic induction of voltage of phase conductors on overhead guard wires is used to generate the power. In this case, one of the guard wires can be detached from the ground to use this induced voltage as a voltage source for feeding the loads. Since load voltage should remain relatively stable, an Inductance Variable Auto-Controle´e a` Entrefers (IVACE) regulator is used for this purpose. Different contingency conditions such as switching and short circuit are applied to evaluate the performance of the IVACE regulator. Simulations are carried out using Electromagnetic Transients Program (EMTP) software. Also, the impacts of the length of the detached overhead guard wires from the ground are investigated on the induced voltage. Moreover, the effect of the switching and short circuit on the output voltage is tested in the absence and presence of the regulator. The robustness and effectiveness of the proposed approach is verified through simulation study.
Keywords: Overhead Line, Voltage Induction, Guard Wire, Telecommunication Site, IVACE Regulator.
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Type of Study: Research | Subject: Special
Received: 2016/10/15 | Accepted: 2017/10/15 | Published: 2018/03/7

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Tapping Power from Overhead Guard Wire to Supply Telecommunication Site. ieijqp. 2018; 6 (12) :1-10
URL: http://ieijqp.ir/article-1-389-en.html

Volume 6, Issue 12 (3-2018) Back to browse issues page
نشریه علمی- پژوهشی کیفیت و بهره وری صنعت برق ایران Iranian Electric Industry Journal of Quality and Productivity
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