Automatic equipment overload prevention

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Section 3. Protection and automation

Automation and telemechanics. Automatic equipment overload prevention

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Encyclopedia of radio electronics and electrical engineering / Rules for the installation of electrical installations (PUE)

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3.3.87. Devices for automatic prevention of equipment overload are designed to limit the duration of such current in lines, transformers, series compensation devices, which exceeds the longest permissible and is allowed for less than 10-20 minutes.

These devices should affect the unloading of power plants, they can affect the disconnection of consumers and the division of the system, and as the last step, the shutdown of overloaded equipment. At the same time, measures must be taken to prevent violations of stability and other adverse consequences.

See other articles Section Rules for the installation of electrical installations (PUE).

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