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 electrical insulators for overhead power lines? Purpose and scope of existing types of insulators. Product labeling.
The device, purpose and principle of operation of surge arresters. The main types of arresters and the scope of each embodiment.
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.
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.
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.
Test methods for arrester. Measurement of resistance and conduction current of surge arresters. Standards and scope of tests for PUE. Sample protocol filling.
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.