What is protection selectivity?
What is the selectivity of protection of the electrical network. The main functions and types of selectivity of protection in electrical installations. An example of a selectivity map.
Electrical equipment
Please specify the section:
Automata and RCD
Relays, contactors, sensors
Electric motors
Electric meters
What is relay protection and what is it for?
Purpose of relay protection and basic requirements for it. Find out what RPA consists of and where it is used in energy.
4 competent schemes for connecting a single-phase RCD
Not sure how to connect an RCD in a single-phase network? To your attention the 4 best schemes for connecting a single-phase RCD in a 220 Volt network with grounding and without PE wire.
Advantages and disadvantages of dual tariff meters
Positive and negative reviews of the dual tariff electricity meter. Advantages and disadvantages of electric meters for night and day tariffs.
Which is better to put: difavtomat or RCD?
What is better to choose and put in the house: UZO or difavtomat? The difference between the differential circuit breaker and the residual current circuit breaker.
How to connect an RCD?
Not sure how to connect an RCD? The article provides detailed instructions, a video lesson, diagrams and basic errors of connecting a residual current device.
How to connect a circuit breaker in the shield?
Do not know how to connect a circuit breaker to the network? All the technology for installing and connecting the machine with your own hands is provided here
What is a circuit breaker and what is it for?
Don't know what a circuit breaker is and what is its operating principle? In the article we examined the device, the principle of operation and the purpose of the machine.
