Operation of electrical equipment

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Package switches are used to switch on and off electrical circuits with direct current and alternating current up to 100 A at...

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Long-used cables lose their insulation quality over time, in other words, their insulation ages. This is...

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According to the "Instructions for the use and testing of protective equipment used in electrical installations" SO 153-34.03.603-2003 According to Appendix No. 8 must...

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Power transformers are integral elements of the power system. These elements perform a very important function - they convert electricity from one value...

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Contact heating is determined during the period of maximum loads. However, contact metals are known to have significant thermal...
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