What are high-voltage disconnectors for and what types of they are
Why are high-voltage disconnectors needed, how are they designed and where are they used. Classification of high voltage disconnectors. How to do the switch.
High voltage equipment
What are VL insulators and what are they for?
What are electrical insulators for overhead power lines? Purpose and scope of existing types of insulators. Product labeling.
What is a surge suppressor?
The device, purpose and principle of operation of surge arresters. The main types of arresters and the scope of each embodiment.
What is a load switch and why is it needed?
The device, principle of operation and purpose of the load switch. Find out what the load switch consists of, how it works and what you need it for.
What is an air circuit breaker?
The device, principle of operation and purpose of the automatic air circuit breaker. Find out how the air circuit breaker works and why it is needed.
What is a gas-insulated switch and why is it needed?
The device, principle of operation and purpose of the gas-insulated circuit breakers. Advantages and disadvantages of SF6 circuit breakers, as well as the scope.
Testing non-linear surge arresters
Test methods for arrester. Measurement of resistance and conduction current of surge arresters. Standards and scope of tests for PUE. Sample protocol filling.
What is a short-circuit breaker?
Appointment, design and principle of operation of separators and short-circuiting devices. Scope of the automation unit OD-KZ in power supply.
High-voltage equipment is used in power supply systems, in particular, where the voltage is 1 kV or more. The group of high-voltage electrical equipment includes transformer substations and complex distribution devices, as well as various fuses, disconnectors, arresters, insulators, etc.
In this section, we will tell you what types of high-voltage equipment are, what each individual device is for, how it works and what is equally important - how it is checked for serviceability and suitability for operation.
