High Voltage Equipment

SF6 circuit breakers: device, principle of operation, purpose
SF6 circuit breakers: device, principle of operation, purpose
Oct 28, 2021

In order to extinguish an electric arc, many different gas mixtures are often used. This is the principle used for equipment filled with SF6 gas, w...

Surge arrester: device and principle of operation
Surge arrester: device and principle of operation
Oct 28, 2021

To create conditions for trouble-free and long-term operation of a huge mass of electrical equipment used, both in industry, and in everyday activi...

Separators and short-circuits: purpose, design, principle of operation
Separators and short-circuits: purpose, design, principle of operation
Oct 28, 2021

Head and editor-in-chief of the site, author of articles.To reduce the cost of equipment in the high-voltage substation, short-circuits and separat...

Air circuit breaker: design and principle of operation
Air circuit breaker: design and principle of operation
Oct 28, 2021

To protect electrical equipment and high-voltage power lines, a type of switching device such as an automatic air switch is used. As the name impli...

Load break switch: device, principle of operation, purpose
Load break switch: device, principle of operation, purpose
Oct 28, 2021

Load break switch is a high-voltage switching device designed for switching currents of a three-phase electrical network in nominal mode. The switc...

Arrester test: standards, methodology, sample protocol
Arrester test: standards, methodology, sample protocol
Oct 28, 2021

A non-linear overvoltage limiter (hereinafter referred to as a surge arrester), regardless of the voltage value, is subject to mandatory tests. Thi...

Electrical insulators: types, purpose and scope
Electrical insulators: types, purpose and scope
Oct 28, 2021

You have probably noticed that the power lines are fixed on poles on garlands of porcelain or ceramic plates. These plates are called insulators. T...

High-voltage disconnectors: purpose, device, classification
High-voltage disconnectors: purpose, device, classification
Oct 28, 2021

For switching on power lines, high-voltage switches and disconnectors are used. The former are used for operational switching under load, and the l...