Notes for an electrician
Contacts in electrical installations and electrical devices. Useful for electrician: electrical engineering and electronics
The connection points of the individual elements that make up any electrical circuit are called electrical contacts. The word "contact" means "to touch", "to touch". In...
Current overloads and their effect on the operation and service life of electric motors. Useful for electrician: electrical engineering and electronics
Analysis of the failure of asynchronous motors shows that the main cause of their failure is the destruction of the insulation due to overheating. The temperature...
DC motors.Useful for Electrical Engineering: Electrical and Electronics Engineering
DC motors are used in those drives where a large range of speed control, high precision...
Classification of semiconductor rectifiers. Useful for Electrical Engineering: Electrical and Electronics Engineering
A device designed to convert the energy of an alternating current source into direct current is called a rectifier. The rectifier includes the following elements:...
Classification of electric drives. Useful for Electrical Engineering: Electrical and Electronics Engineering
An electric actuator in control systems is commonly referred to as a device designed to move an operating body in accordance with signals...
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Why is electric current dangerous?