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Zbornik radova, Elektrotehnički institut "Nikola Tesla"
2017, vol. 27, iss. 27, pp. 57-69
article language: Serbian
document type: Professional Paper
published on: 21/12/2017
doi: 10.5937/zeint27-15592
Creative Commons License 4.0
Temporary electrical installations by contractors in power plants and industry
University of Belgrade, Electrical Engineering Institute 'Nikola Tesla'

e-mail: ninoslav.simic@ieent.org

Abstract

The paper deals with the topic of the installation and connection of temporary field electrical installations by external contractors in power plants and large industrial plants. One of the possible solutions and a detailed description of the equipment are recommended, and a way of connecting and installing of a temporary field electrical installation is given. The distribution of a temporary field electrical installation containing connecting cables, a main distribution cabinet with associated protective devices, isolation and instrument transformers, electrical installations from the contractor's distribution cabinets to the other distribution cabinet and the junction box is described. The significance of the contractor's training was recognized and, on a characteristic example, an explanation of possible synchronization of still valid rules and new standards regarding the application of the protective measure - electrical separation was shown on a characteristic example. The boundaries of the contractor's responsibility regarding the correctness of electrical installations are clearly given. Finally, one way of running and connecting a temporary electrical installation is proposed in accordance with applicable laws, regulations and standards.

Keywords

low voltage electrical installations; protection against electric shock; construction installations

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