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  5. Some questions of the analysis of devices of protection and automatics special electroinstallations

Some questions of the analysis of devices of protection and automatics special electroinstallations

I.V. Раntyelyeyeva, T.V. Plahotja
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In work the considered questions of protection of specific devices of electropower systems: electric motors, transformers of the electric installations, leveling units, modular trunks and electrical pathways. For example, electroarc installations (arc steel-smelting and orethermic) are characterized rather greater currents which do not give an opportunity of their connection directly to trunks of the power supply, it is necessary to use the electrooven transformer. In clause the analysed devices of protection of such elements, the made estimation of their advantages and lacks.
Keywords: devices of protection, the storage battery, the electric transformer, the electric motor, short circuit