Electrical machines
Generators
* Convert mechanical energy into electrical energy
* Types:
* Synchronous: constant frequency when load changes
* Asynchronous: variable frequency when load changes
Electric motors
* Convert electrical energy into mechanical energy
* Types:
*DC current
*AC
* Synchronous
* Asynchronous
* Stepper
Transformers
* Change AC voltage and current
* Types:
*Single-phase
* Three-phase
Converters
* Convert one type of electrical current to another
* Types:
* AC to DC (rectifiers)
* DC to AC (inverters)
Switching devices
* Control the flow of current in electrical circuits
* Types:
* Relay
* Contactors
* Fuses
Measuring instruments
* Evaluate the parameters of electrical circuits
* Types:
* Voltmeters (voltage)
* Ammeters (current)
* Ohmmeters (resistance)
Other devices
* Batteries
* Electrical cables
* Insulation materials