Repair of electrical equipment
Electric motors of cranes. Useful for electrician: electrical engineering and electronics
Crane electric motors with three-phase alternating current (asynchronous) and direct current (series or parallel excitation) operate, as a rule, with interruptions
Stepper motors. Useful for Electrical Engineering: Electrical and Electronics Engineering
A stepper motor is an electromechanical device that converts electrical signals into discrete angular movements of a shaft. The use of stepper motors allows...
Pulse transformers. Useful for electrician: electrical engineering and electronics
Pulse transformers are used in communication devices, automation, computer technology, when working with short pulses, to change their amplitude...
Energy losses and efficiency of induction motors. Useful for electrician: electrical engineering and electronics
In an electric motor, when converting one type of energy into another, some of the energy is lost in the form of heat, dissipated...
Transformers for rectifier installations.Useful for Electrical Engineering: Electrical and Electronics Engineering
In the circuit of the secondary windings of the transformers working on the rectifier installations, electric valves are connected, passing current in only one...
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Why is electric current dangerous?