Repair of electrical equipment
Why should an LED be connected through a resistor? Useful for electrician: electrical engineering and electronics
There are resistors on the LED strip, there are resistors on the printed circuit boards (where the LEDs serve as indicators), even in the LED bulbs -…
How a nuclear power plant (NPP) works. Useful for electrician: electrical engineering and electronics
One of the ways to fight environmental pollution is to switch to cleaner sources of electricity. Nuclear power plants...
How electricity is produced in a thermal power plant (CHP). Useful for electrician: electrical engineering and electronics
Thermal power plants use the heat generated by burning fossil fuels such as oil, gas, coal to produce a large amount of steam...
What is a dry contact? Useful for electrician: electrical engineering and electronics
A contact that is not currently galvanically connected to the supply circuit and ground is called a "dry contact". Desktop button...
Seebeck, Peltier and Thomson thermoelectric effects. Useful for electrician: electrical engineering and electronics
The operation of thermoelectric refrigerators and generators is based on thermoelectric phenomena. These include the Seebeck, Peltier, and Thomson effects.
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Why is electric current dangerous?