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Lucas Carlos

Linesman | Electrician | Technician

AERIAL DISTRIBUTION NETWORK EQUIPMENT – RAD BREAKING VOLTAGE OR DIELECTRIC STRENGTH Every insulating body has a distinct characteristic due to its chemical composition where it reaches the insulating threshold and becomes a conductor, this characteristic is called Dielectric Strength. The applied voltage that causes this body to change from an insulator to a conductor is called Breakdown Voltage. Breakdown voltage is accelerated by certain factors, which are: - Time of exposure to bad weather - Working voltage - Overvoltage in the system - Material fatigue - Presence of impurities - Others Dielectric strength is a very important physical property of materials, as it also defines the largest electric field that such a material can withstand, without sparks and electrical discharges capable of damaging it. Breakdown of dielectric strength occurs when the external electric field applied to a dielectric is large enough for that material to stop being an electrical insulator and become a conductor of electricity. It is also the moment when a given insulating material becomes a conductor. – that is, it loses its specific properties and starts to act differently. We also have the Dielectric Constant, which has nothing to do with Dielectric Strength, which is defined based on the ratio of the electrical permittivity of a medium to the electrical permittivity of the vacuum. This property is applied to capacitors, since the aim is to insert media with large dielectric constants between their plates, thus increasing their capacitance. #linesman #electrician #technician

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